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A. Original papers
B. Reviews
C. Talks in international conferences

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A. Original papers    top


272 "Femtosecond Charge Density Modulations in Photoexcited CuWO4" Y. Uemura, A. Ismail, S. H. Park, S. Kwon, M. Kim, Y. Niwa, H. Wadati, H. Elnaggar, F. Frati, T. Haarman, N. Höppel, N. Huse, Y. Hirata, Y. Zhang, K. Yamagami, S. Yamamoto, I. Matsuda, T. Katayama, T. Togashi, S. Owada, M. Yabashi, U. Halisdemir, G. Koster, T. YokoyamaB. Weckhuysen, F. de Groot, Frank, J. Phys. Chem. Lett., in press.
271 "Sulfur Poisoning Pt and PtCo Anode and Cathode Catalysts in Polymer Electrolyte Fuel Cells Studied by Operando Near Ambient Pressure Hard X-ray Photoelectron Spectroscopy" ;S. Chaveanghong, T. Nakamura, Y. Takagi, B. Cagnon, T. Uruga, M. Tada, Y. Iwasawa and T. Yokoyama Phys. Chem. Chem. Phys .23 (2021) 3866-3873; DOI: 10.1039/D0CP06020H.
270 "Extracting the local electronic states of Pt polycrystalline films surface under electrochemical conditions using polarization-dependent total reflection fluorescence X-ray absorption fine structure spectroscopy "Y. Wakisaka, H. Uehara, Q. Yuan, D. Kido, T. Wada, M. Uo, Y. Uemura, T. Yokoyama , Y. Kamei, S. Kuroda, A. Ohira, S. Takakusagi and K. Asakura, Electron. Struct.2 (2020) 044003; DOI: 10.1088/2516-1075/abd1ca.
269 "Collapse of the simple localized 3d1 orbital picture in Mott insulator "S. Kitou, T. Manjo, N. Katayama, T. Shishidou, T. Arima, Y. Taguchi, Y. Tokura, T. Nakamura, T. Yokoyama, K. Sugimoto and H. Sawa, Phys. Rev. Res .2 (2020) 033503 (Sept. 28); (DOI: 10.1103/PhysRevResearch.2.0335032020).
268 "Quick Operando Ambient Pressure Hard X-ray Photoelectron Spectroscopy for Reaction Kinetic Measurements of Polymer Electrolyte Fuel Cells "T. Nakamura, Y. Takagi, S. Chaveanghong, T. Uruga, M. Tada, Y. Iwasawa and T. Yokoyama, J. Phys. Chem. C .124 (2020) 17520-17527 (16 July); (DOI: 10.1021/acs.jpcc.0c04871).
267 "Realizing large out-of-plane magnetic anisotropy in L10-FeNi films grown by nitrogen-surfactant epitaxy on Cu(001) "K. Kawaguchi, T. Miyamachi, T. Iimori, Y. Takahashi, T. Hattori, T. Yokoyama , M. Kotsugi and F. Komori, Phys. Rev. Materials .4 (2020) 054403 (6 May); (DOI: 10.1103/PhysRevMaterials.4.054403).
266 "Transforming Thermal Expansion from Positive to Negative: The Case of Cubic Magnetic Compounds of (Zr,Nb)Fe2 "Y. Song, Q. Sun, T. Yokoyama , H. Zhu, Q. Li, R. Huang, Y. Ren, Q. Huang, X. Xing and J. Chen, J. Phys. Chem. Lett. .11 (2020) 1954-1961 (Feb. 19); (DOI: 10.1021/acs.jpclett.9b03880).
265 "Development of Surface Fluorescence X‐Ray Absorption Fine Structure Spectroscopy Using a Laue‐Type Monochromator "Y. Wakisaka, D. Kido, H. Uehara, Q. Yuan, F. E. Feiten, S. Mukai, S. Takakusagi, Y. Uemura, T. Yokoyama, T. Wada, M. Uo, O. Sekizawa, T. Uruga, Y. Iwasawa, K. Asakura, Chem. Rec .19 (2018) 1157–1165 (DOI: 10.1002/tcr.201800020).
264 "Reversible low-temperature redox activity and selective oxidation catalysis derived from the concerted activation of multiple metal species on Cr and Rh-incorporated ceria catalysts "S. Ikemoto, X. Huang, S. Muratsugu, S. Nagase, T. Koitaya, H. Matsui, G. Yokota, T. Sudoh, A. Hashimoto, Y. Tan, S. Yamamoto, J. Tang, I. Matsuda, J. Yoshinobu, T. Yokoyama , S. Kusaka, R. Matsuda and M. Tada, Phys. Chem. Chem. Phys .21 (2019) 20868-20877 (DOI: 10.1039/C9CP04625A).
 263 "Emergence of Oxygen Reduction Activity in Zirconium Oxide-Based Compounds in Acidic Media: Creation of Active Sites for Oxygen Reduction Reaction" A. Ishihara, T. Nagai, K. Ukita, M. Arao, M. Matsumoto, L. Yu, T. Nakamura, O. Sekizawa, Y. Takagi, K. Matsuzawa, T. Napporn, S. Mitsushima, T. Uruga, T. Yokoyama, Y. Iwasawa, H. Imai, K. Ota, J. Phys. Chem. C 123 (2019) 18150-18159.  
 262 "Photoinduced anisotropic distortion as the electron trapping site of tungsten trioxide by ultrafast W L1-edge X-ray absorption spectroscopy with full potential multiple scattering calculations; A. Koide, Y. Uemura, D. Kido, Y. Wakisaka, S. Takakusagi, B. Ohtani, Y. Niwa, S. Nozawa, K. Ichiyanagi, R. Fukaya, S. Adachi, T. Katayama, T. Togashi, S. Owada, M. Yabashi, Y. Yamamoto, M. Katayama, K. Hatada, T. Yokoyama and K. Asakura, Phys. Chem. Chem. Phys. in press (2019) (DOI: 10.1039/c9cp01332f).  
 261 "Persistent superconductivity in atomic layer-magnetic molecule van der Waals heterostructures: a comparative study " T. Uchihashi, S. Yoshizawa, E. Minamitani, S. Watanabe, Y. Takagi and T. Yokoyama, Mol. Syst. Des. Eng. 4 (2019) 511-518 (DOI: 10.1039/C9ME00017H).  
 260 "Electronic and magnetic properties of the Fe2N monolayer film tuned by substrate symmetry; T. Hattori, T. Miyamachi, T. Yokoyama, and Fumio Komori, J. Phys.: Condens. Matter. 31 (2019) 255001 (DOI: 10.1088/1361-648X/ab0fbc).  
 259 "Anharmonicity in elastic constants and extended x-ray-absorption fine structure cumulants; T. Yokoyama and S. Chaveanghong, Phys. Rev. Materials 3 (2019) 033607 (DOI: 10.1103/PhysRevMaterials.3.033607).  
 258 "Operando Observation of Sulfur Species Poisoning Polymer Electrolyte Fuel Cell Studied by Near Ambient Pressure Hard X-ray Photoelectron Spectroscopy; L. Yu, Y. Takagi, T. Nakamura, T. Sakata, T. Uruga, M. Tada, Y. Iwasawa, S. Masaoka, and T. Yokoyama, J. Phys. Chem. C 123 (2019) 603-611 (DOI: 10.1021/acs.jpcc.8b10611).  
 257 "Origin of magnetic properties in carbon implanted ZnO nanowires " Y. F. Wang, Y. C. Shao, S. H. Hsieh, Y. K. Chang, P. H. Yeh, H. C. Hsueh, J. W. Chiou, H. T. Wang, S. C. Ray, H. M. Tsai, C. W. Pao, C. H. Chen, H. J. Lin, J. F. Lee, C. T. Wu, J. J. Wu , Y. M. Chang, K. Asokan8, K. H. Chae, T. Ohigashi, Y. Takagi, , T. Uruga, M. Tada, Y. Iwasawa and T. Yokoyama, N. Kosugi, and W. F. Pong, Sci. Rep. 8 (2018) 7758 (DOI: 10.1038/s41598-018-25948-x).  
 256 "Dynamic Interface Formation in Magnetic Thin Film Heterostructures; S. Nakashima, T. Miyamachi, Y. Tatetsu, Y. Takahashi, Y. Takagi, Y. Gohda, T. Yokoyama, and F. Komori, Adv. Funct. Mater. 29 (2019) 1804594 (DOI: 10.1002/adfm.201804594).  
 255 "Nonlinear Spectroscopy with X-Ray Two-Photon Absorption in Metallic Copper; K. Tamasaku, E. Shigemasa, Y. Inubushi, I. Inoue, T. Osaka, T. Katayama, M. Yabashi, A. Koide, T. Yokoyama, T. Ishikawa, Phys. Rev. Lett. 121 (2018) 083901 (DOI: 10.1103/PhysRevLett.121.083901).  
 254 "A demonstration of Pt L3-Edge EXAFS Free from Au L3-Edge Using Log–Spiral Bent Crystal Laue Analyzers" Y. Wakisaka, D. Kido, H. Uehara, Q. Yuan, S. Takakusagi, Y. Uemura, T. Yokoyama, T. Wada, M. Uo, T. Sakata, O. Sekizawa, T. Uruga, Y. Iwasawa and K. Asakura, Catalysts 8 (2018) 204 (DOI: 10.3390/catal8050204).  
 253 "Local thermal expansions and lattice strains in Elinvar and stainless steel alloys" T. Yokoyama, A. Koide and Y. Uemura, Phys. Rev. Materials 2 (2018) 023601 (DOI: 10.1103/PhysRevMaterials.2.023601).  
 252 "Non-contact electric potential measurements of electrode components in operating polymer electrolyte fuel cell by near ambient pressure XPS " L. Yu, Y. Takagi, T. Nakamura, O. Sekizawa, T. Sakata, T. Uruga, M. Tada, Y. Iwasawa, G. Samjeské and T. Yokoyama, Phys. Chem. Chem. Phys.19 (2017) 30798-30803 (DOI: 10.1039/c7cp05436j).  
 251 "Effects of the spin-orbit interaction in chromium on the oxygen K-edge x-ray magnetic circular dichroism spectra in CrO2 " A. Koide and T. Yokoyama Phys. Rev. B 96 (2017) 144419 (9 pages) (DOI: 10.1103/PhysRevB.96.144419).  
 250 "Thickness-dependent electronic and magnetic properties of g'−Fe4N atomic layers on Cu (001)" Y. Takahashi, T. Miyamachi, S. Nakashima, N. Kawamura, Y. Takagi, M. Uozumi, V. N. Antonov, T. Yokoyama, A Ernst and F Komori, Phys. Rev. B 95 (2017) 224417 (DOI: 10.1103/PhysRevB.95.224417).  
 249 "Capturing local structure modulations of photoexcited BiVO4 by ultrafast transient XAFS " Y. Uemura, D. Kido, A. Koide, Y. Wakisaka, Y. Niwa, S. Nozawa, K. Ichiyanagi, R. Fukaya, S. Adachi, T. Katayama, T. Togashi, S. Owada, M. Yabashi, K. Hatada, A. Iwase, A. Kudo, S. Takakusagi, T. Yokoyama and K. Asakura, Chem. Commun. 53 (2017) 7314-7317 (DOI: 10.1039/c7cc02201h).  
 248 "X-ray photoelectron spectroscopy under real ambient pressure conditions " Y. Takagi, T. Nakamura, L. Yu, S. Chaveanghong, O. Sekizawa, T. Sakata, T. Uruga, M. Tada, Y. Iwasawa and T. Yokoyama, Appl. Phys. Express 10 (2017) 076603 (DOI: 10.7567/APEX.10.076603).  
 247 "Large-Gap Magnetic Topological Heterostructure Formed by Subsurface Incorporation of a Ferromagnetic Layer" T. Hirahara, S. V. Eremeev, T. Shirasawa, Y. Okuyama, T. Kubo, R. Nakanishi, R. Akiyama, A. Takayama, T. Hajiri, S. Ideta, M. Matsunami, K. Sumida, K. Miyamoto, Y. Takagi, K. Tanaka, T. Okuda, T. Yokoyama, S. Kimura, S. Hasegawa and E. V. Chulkov, Nano. Lett. 17 (2017) 3493-3500 (DOI: 10.1021/acs.nanolett.7b00560).  
 246 "Controlled Modification of Superconductivity in Epitaxial Atomic Layer-Organic Molecule " S. Yoshizawa, E. Minamitani, S. Vijayaraghavan, P. Mishra, Y. Takagi, T. Yokoyama, H. Oba, J. Nitta, K. Sakamoto, S. Watanabe, T. Nakayama and T. Uchihashi, Nano Lett. 17 (2017) 2287-2293 (DOI: 10.1021/acs.nanolett.6b05010).  
 245 "In situ study of oxidation states of platinum nanoparticles on a polymer electrolyte fuel cell electrode by near ambient pressure hard X-ray photoelectron spectroscopy " Y. Takagi, H. Wang , Y. Uemura, T. Nakamura , L. Yu, O. Sekizawa, T. Uruga, M. Tada, G. Samjeské, Y. Iwasawa and T. Yokoyama, Phys. Chem. Chem. Phys. 19 (2017) 6013-6021 (DOI: 10.1039/C6CP06634H).  
 244 "Kinetics and Mechanism of Redox Processes of Pt/C and Pt3Co/C Cathode Electrocatalysts in a Polymer Electrolyte Fuel Cell during an Accelerated Durability Test" N. Ishiguro, S. Kityakarn, O. Sekizawa, T. Uruga, H. Matsui, M. Taguchi, K. Nagasawa, T. Yokoyama and Mizuki Tada, J. Phys. Chem. C 120 (2016) 19642-19651 (DOI: 10.1021/acs.jpcc.6b04437).  
 243 "SPring-8 BL36XU: Catalytic Reaction Dynamics for Fuel Cells "O. Sekizawa, T. Uruga, Y. Takagi, K. Nitta, K. Kato, H. Tanida, K. Uesugi, M. Hoshino, E. Ikenaga, K. Takeshita, S. Takahashi, M. Sano, H. Aoyagi, A. Watanabe, N. Nariyama, H. Ohashi, H. Yumoto, T. Koyama, Y. Senba, T. Takeuchi, Y. Furukawa, T. Ohata, T. Matsushita, Y. Ishizawa, T. Kudo, H. Kimura, H. Yamazaki, T. Tanaka, T. Bizen, T. Seike, S. Goto, H. Ohno, M. Takata, H. Kitamura, T. Ishikawa, M. Tada, T. Yokoyama and Y. Iwasawa, J. Phys. Conf. Ser. 712 (2016) 012142 (doi:10.1088/1742-6596/712/1/012142).  
 242 "Hierarchy of bond stiffnesses within icosahedral-based gold clusters protected by thiolates" S. Yamazoe, S. Takano, W. Kurashige, T. Yokoyama, K. Nitta, Y. Negishi and T. Tsukuda, Nature Comm. 7 (2016) 10414 (DOI: 10.1038/ncomms10414).  
 241 "Dynamics of Photoelectrons and Structural Changes of Tungsten Trioxide Observed by Femtosecond Transient XAFS"Y. Uemura, D. Kido, Y. Wakisaka, H. Uehara, T. Ohba, Y. Niwa, S. Nozawa, T. Sato, K. Ichiyanagi, R. Fukaya, S. Adachi, T. Katayama, T. Togashi, S. Owada, K. Ogawa, M. Yabashi, K. Hatada, S. Takakusagi, T. Yokoyama, B. Ohtani, and K. Asakura, Angew. Chem. Int. Ed. 55 (2015) 1364-1367 (DOI: 10.1002/ange.201509252). 科学新聞2016年1月1日2面.  
 240 "Fastener Effect on Uniaxial Chemical Pressure for One-Dimensional Spin-Crossover System, [FeII(NH2-trz)3](CnH2n+1SO3)2· xH2O: Magnetostructural Correlation and Ligand Field Analysis " H. Kamebuchi, A. Nakamoto, T. Yokoyama, N. Kojima, Bull. Chem. Soc. Jpn.88 (2015) 419-430 (DOI: 10.1246/bcsj.20140361).  
 239 "Anomalous structural behavior in the metamagnetic transition of FeRh thin films from a local viewpoint"Y. Wakisaka, Y.Uemura, T. Yokoyama, H. Asakura, H. Morimoto, M. Tabuchi, D. Ohshima, T. Kato and S. Iwata, Phys. Rev. B 92 (2015) 184408 (7 pages); DOI: 10.1103/PhysRevB.92.184408.  
238 "Visualizing chemical states and defects induced magnetism of graphene oxide by spatially resolved-X-ray microscopy and spectroscopy"Y. F. Wang, S. B. Singh, M. V. Limaye, Y. C. Shao, S. H. Hsieh, L. Y. Chen, H. C. Hsueh, H. T. Wang, J. W. Chiou, Y. C. Yeh, C. W. Chen, C. H. Chen, S. C. Ray, J. Wang, W. F. Pong, Y. Takagi, T. Ohigashi, T. Yokoyama and N. Kosugi, Sci. Rep.5 (2015) 15439; DOI: 10.1038/srep15439.  
 237 "Investigating Orbital Magnetic Moments in Spinel-Type MnV2O4 Using X-ray Magnetic Circular Dichroism"J. Okabayashi, S. Miyasaka, K. Hemmi, K. Tanaka, S. Tajima, H. Wadati, A. Tanaka, Y. Takagi and T. Yokoyama, J. Phys. Soc. Jpn. 84 (2015) 104703, DOI: 10.7566/JPSJ.84.104703.  
 236 "Direct Synthesis of Vanadium Phthalocyanine and its Electronic and Magnetic States in Monolayer and Multilayer on Ag(111)" K. Eguchi, T. Nakagawa, Y. Takagi and T. Yokoyama, J. Phys. Chem. C 119 (2015) 9805-9815, DOI:10.1021/jp512935v.  
235 "Perpendicular magnetic anisotropy at the interface between ultrathin Fe film and MgO studied by angular-dependent X-ray magnetic circular dichroism"J. Okabayashi, J.W. Koo, H. Sukegawa, S. Mitani, Y. Takagi and T. Yokoyama, Appl. Phys. Lett. 105 (2014) 122408, DOI:10.1063/1.4896290.  
234 "In situ investigation of an oxidation reaction on a Pt/C electrode using ambient pressure hard X-ray photoelectron spectroscopy"Y. Takagi, H. Wang, Y. Uemura, E. Ikenaga, O. Sekizawa, T. Uruga, H. Ohashi, Y. Senba, H. Yumoto, H. Yamazaki, S. Goto, M. Tada, Y. Iwasawa and T. Yokoyama, Appl. Phys. Lett. 105 (2014) 131602, DOI:10.1063/1.4897007.  
233 "Oscillations of the orbital magnetic moment due to d-band quantum well states"M. Dabrowski, T. R. F. Peixoto, M. Pazgan, A. Winkelmann, T. Nakagawa, Y. Takagi, T. Yokoyama, U. Bauer, F. Yildiz, F. Bisio, M. Przybylski, and J. Kirschner, Phys. Rev. Lett. 113 (2014) 067203, DOI:10.1103/PhysRevLett.113.067203.  
 232 "Magnetic Interactions of Vanadyl Phthalocyanine with Ferromagnetic Iron, Cobalt, and Nickel Surfaces"K. Eguchi, Y. Takagi, T. Nakagawaand T. Yokoyama, J. Phys. Chem. C118 (2014) 17633–17637, DOI: 10.1021/jp503851k.  
 231 "Rate Enhancements in Structural Transformations of Pt−Co and Pt−Ni Bimetallic Cathode Catalysts in Polymer Electrolyte Fuel Cells Studied by in Situ Time-Resolved X‑ray Absorption Fine Structure"N. Ishiguro, S. Kityakarn, O. Sekizawa, T. Uruga, T. Sasabe, K. Nagasawa, T. Yokoyama and M. Tada, J. Phys. Chem. C118 (2014) 15874-15883, DOI:10.1021/jp504738p.  
230 "Visualization of the Heterogeneity of Cerium Oxidation States in Single Pt/Ce2Zr2Ox Catalyst Particles by Nano-XAFS" N. Ishiguro, T. Uruga, O. Sekizawa, T. Tsuji, M. Suzuki, N. Kawamura, M. Mizumaki, K. Nitta, T. Yokoyama and M. Tada, ChemPhysChem15 (2014) 1563-1568, DOI: 10.1002/cphc.201400090.  
 229  "In Situ Time-Resolved XAFS of Transitional States of Pt/C Cathode Electrocatalyst in an MEA During PEFC Loading with Transient Voltages" S. Kityakarn, T. Saida, A. Sode, N. Ishiguro, O. Sekizawa, T. Uruga, K. Nagasawa, T. Yamamoto, T. Yokoyama, M. Tada, Top Catal. 57 (2014) 903-910, DOI: 10.1007/s11244-014-0250-3.  
 228 "Molecular Orientation and Electronic States of Vanadyl-phthalocyanine on Si(111) and Ag(111) Surfaces"K. Eguchi, Y. Takagi, , T. Nakagawa and T. Yokoyama, J. Phys. Chem. C117 (2013) 22843-22851, DOI: 10.1021/jp406906k.  
 227 "Structural Kinetics on a Pt/C Cathode Catalyst with Practical Catalyst Loading in an MEA for PEFC Operating Conditions Studied by In Situ Time-Resolved XAFS"N. Ishiguro, T. Saida, T. Uruga, O. Sekizawa, K. Nagasawa, K. Nitta, T. Yamamoto, S. Ohkoshi, T. Yokoyama and M. Tada, Phys. Chem. Chem. Phys. 15 (2013) 18827-18834, DOI: 10.1039/C3CP52578C.  
226 "New XAFS beamline for structural and electronic dynamics of nanoparticle catalysts in fuel cells under operating conditions"O. Sekizawa, T. Uruga, M. Tada, K. Nitta, K. Kato, H. Tanida, K. Takeshita, S. Takahashi, M. Sano, H. Aoyagi, A. Watanabe, N. Nariyama, H. Ohashi, H. Yumoto, T. Koyama, Y. Senba, T. Takeuchi, Y. Furukawa, T. Ohata, T. Matsushita, Y. Ishizawa, T. Kudo, H. Kimura, H. Yamazaki, T. Tanaka, T. Bizen, T. Seike, S. Goto, H. Ohno, M. Takata, H. Kitamura, T. Ishikawa, T. Yokoyama and Y. Iwasawa, J. Phys.: Conf. Ser. 430 (2013) 012020, DOI:10.1088/1742-6596/430/1/012020.  
225 "Passivating effect of Si(111)-((Ö3´Ö3)Ag and Si3N4/Si(111)-(8×8) buffer layers" K. Eguchi, Y. Takagi, T. Nakagawa and T. Yokoyama, J. Phys.: Conf. Ser. 430 (2013) 012129, DOI:10.1088/1742-6596/430/1/012129.  
224 "Anisotropic Thermal Expansion and Cooperative Invar/Anti-Invar Effects in Mn Alloys" T. Yokoyama and K. Eguchi, Phys. Rev. Lett. 110 (2013) 075901, DOI: 10.1103/PhysRevLett.110.075901.日刊工業新聞2013年2月8日21面,科学新聞2013年2月22日2面で報道.  
223  “Molecular cluster batteries of nano-hybrid materials between Keggin POMs and SWNTs” H. Wang, N. Kawasaki, T. Yokoyama , H. Yoshikawa, and K. Awaga, Dalton Trans. 41(33) (2012) 9863-9866 (doi: 10.1039/C2DT30603D).  
222  “Giant Magnetic Anisotropy Energy and Coercivity in Fe island and atomic wire on W(110)”T. Nakagawa, Y. Takagi, T. Yokoyama, T. Methfessel, S. Diehl and H.-J. Elmers, Phys. Rev. B86 (2012) 144418, DOI:10.1103/PhysRevB.86.144418.  
221 "Path Integral Effective Classical Potential Method Applied to Anharmonicity and Quantum Effects in Thermal Expansion of Invar Alloy"T. Yokoyama, e-J. Surf. Sci. Nanotech. 10 (2012) 486-492, DOI: 10.1380/ejssnt.2012.486.  
220 "4D Visualization of Structures/Chemical States of Pt/C Cathode Catalyst Layers in Polymer Electrolyte Fuel Cells by 3D-Laminography-XAFS"T. Saida, O. Sekizawa, N. Ishiguro, K. Uesugi, M. Hoshina, T. Uruga, S. Ohkoshi, T. Yokoyama and M.Tada, Angew. Chem. Int. Ed. 51 (2012) 10311-10314, DOI: 10.1002/anie.201204478.  
219 "Operando Time-resolved X-ray Absorption Fine Structure Study for Surface Events on a Pt3Co/C Cathode Catalyst in a Polymer Electrolyte Fuel Cell during Voltage-Operating Processes"N. Ishiguro, T. Saida, T. Uruga, O. Sekizawa, S. Nagamatsu, K. Nitta, T. Yamamoto, S. Ohkoshi, Y. Iwasawa, T. Yokoyama and M. Tada, ACS Catal. 2 (2012) 1319-1330.
218 "Growth process and magnetic properties of iron nanoparticles deposited on Si3N4/Si(111)-(8×8)"K. Eguchi, Y. Takagi, T. Nakagawa and T. Yokoyama, Phys. Rev. B85 (2012) 174415, DOI: 10.1103/PhysRevB.85.174415.
217 "In operando XAFS Studies of Polyoxometalate Molecular Cluter Batteries: Polyoxometalates as Electron Sponges"H. Wang, S. Hamanaka, Y. Nishimoto, S. Irle, T. Yokoyama, H. Yoshikawa and K. Awaga, J. Am. Chem. Soc. 134 (2012) 4918-4924, DOI: 10.1021/ja2117206.
216 "Dominance of the first excitation step for magnetic circular dichroism in near-threshold two-photon photoemission"K. Hild, G. Schönhense, H. J. Elmers, T. Nakagawa, T. Yokoyama, K. Tarafder and P. M. Oppeneer, Phys. Rev. B85, 014426 (2012) [10 pages], DOI: 10.1103/PhysRevB.85.014426.
215 "In-situ XAFS studies of Mn12 molecular-cluster batteries: Super-reduced Mn12 clusters in solid-state electrochemistry"H. Wang, S. Hamanaka, T. Yokoyama, H. Yoshikawa and K. Awaga, Chem. Asian J.6 (2011) 1074-1079, DOI: 10.1002/asia.201000782.
214 "Anharmonicity and Quantum Effects in Thermal Expansion of an Invar Alloy"T. Yokoyama and K. Eguchi, Phys. Rev. Lett. 107 (2011) 065901, DOI: 10.1103/PhysRevLett.107.065901.科学新聞2011年8月12日1面,日刊工業新聞2011年8月29日21面で報道.
213 "Ferromagnetic interlayer coupling in C60-Co compound/Ni bilayer structure"Y. Matsumoto, S. Sakai, S. Entani, Y. Takagi, T. Nakagawa, H. Naramoto, P. Avramov, and T. Yokoyama, Chem. Phys. Lett. 511 (2011) 68-72, DOI: 10.1016/j.cplett.2011.05.038.
212 "Nanohybridization of polyoxometalate clusters and single-wall carbon nanotubes: Applications in molecular cluster batteries"N. Kawasaki, H. Wang, R. Nakanishi, S. Hamanaka, R. Kitaura, H. Shinohara, T. Yokoyama, H. Yoshikawa and K. Awaga, Angew. Chemie. Int. Ed. 50 (2011) 3471-3474, DOI: 10.1002/anie.201007264.
211 "Energy- and angle-dependent threshold photoemission magnetic circular dichroism from an ultrathin Co/Pt(111) film"K. Hild, G. Schonhense, H. J. Elmers, T. Nakagawa, T. Yokoyama, K. Tarafder and P. M. Oppeneer, Phys. Rev. B82 (2010) 195430 (11 pages).
210 "Spin reorientation transitions of Ni/Pd(111) films induced by Fe deposition"I. Yamamoto, T. Nakagawa, Y. Takagi and T. Yokoyama, Phys. Rev. B81 (2010) 214442 (7 pages).
209 "Magnetic Circular Dichroism Study of Ultrathin Ni Films by Threshold Photoemission and Angle Resolved Photoemission Spectroscopy"T. Nakagawa, I. Yamamoto, Y. Takagi and T. Yokoyama, J. Electron Spectrsc. Relat. Phenom. 181 (2010) 164-167.
208 "Characterization of Cr(III)-grafted TiO2 for photocatalytic reaction under visible light"H. Irie, T. Shibanuma, K.Kamiya, S. Miura, T. Yokoyama and K. Hashimoto, Appl. Catal. B 96 (2010) 142-147.
207 "Structure and magnetic properties of iron nitride thin films on Cu(001)"Y. Takagi, K. Isami, I. Yamamoto, T. Nakagawa and T. Yokoyama, Phys. Rev.B81 (2010) 035422 (8 pages).
206 "Rechargeable Batteries Driven by Redox Reactions of Mn12 Clusters with Structural Changes: XAFS Analyses of the Charging/Discharging Processes in Molecular Cluster Batteries"H. Yoshikawa, S. Hamanaka, Y. Miyoshi, Y. Kondo, S. Shigematsu, N. Akutagawa, M. Sato, T. Yokoyama and K. Awaga, Inorg. Chem. 48 (2009) 9057-9059.
205 "Magnetic circular dichroism photoemission electron microscopy using Laser and threshold photoemission"T. Nakagawa, K. Watanabe, Y. Matsumoto and T. Yokoyama, J. Phys.: Condens. Matter21 (2009) 314010.
204 "Electrochemical structural transformation and reversible doping/dedoping of lithium phthalocyanine thin films"M. Inagawa, H. Yoshikawa, T. Yokoyama and K. Awaga, Chem. Comm. (2009) 3389-3991.
203 "Visible Light-Sensitive Cu(II)-Grafted TiO2 Photocatalysts: Activities and X-ray Absorption Fine Structure Analyses"H. Irie, K. Kamiya, T. Shibanuma, S. Miura, D. Tryk, T. Yokoyama and K. Hashimoto, J. Phys. Chem. C 113 (2009) 10761-10766.
202 "Strain relief guided novel growth of atomic nanowires in Cu3N-Cu(110) molecular network"X.-D. Ma, D. I. Bazhanov, O. Fruchart, F. Yildiz, T. Yokoyama, M. Przybylski, V. S. Stepanyuk, W. Hergert and J. Kirschner, Phys. Rev. Lett. 102 (2009) 205503 [selected as an “Editorial Suugestion”].
201 "Two-photon photoemission magnetic circular dichroism and its energy dependence"T. Nakagawa, I. Yamamoto, Y. Takagi, K. Watanabe, Y. Matsumoto and T. Yokoyama, Phys. Rev.B 79 (2009) 172404 (4 pages).
200 "X-ray absorption spectroscopy and magnetic circular dichroism in codeposited C60-Co films with giant tunnel magnetoresistance"Y. Matsumoto, S. Sakai, Y. Takagi, T. Nakagawa, T. Yokoyama, T. Shimada, S. Mitani, H. Naramoto and Y. Maeda, Chem. Phys. Lett. 470 (2009) 244-248.
199 "Magnetic properties of self-assembled Co nanorods grown on Cu(110)-(2×3)N"X. D. Ma, T. Nakagawa, Y. Takagi, M. Przybylski, F. M. Leibsle, and T. Yokoyama, Phys. Rev.B 78 (2008) 104420 (9 pages).
198 "Pd Nanoparticle Embedded with Only One Co Atom Behaves as a Single-Particle Magnet"Y. Ito, A. Miyazaki, K. Fukui, S. V. Veettil, T. Yokoyama, T. Enoki, J. Phys. Soc. Jpn. 77 (2008) 103701 (4 pages).
197 "Magnetization process of Co/Pd(111) thin films: Chemisorption-induced spin reorientation transition"D. Matsumura, T. Nakagawa, H. Watanabe, H. Abe, K. Amemiya, T. Ohta and T. Yokoyama, Surf. Sci.602 (2008) 1999-2003.
196 "Enhancements of Spin and Orbital Magnetic Moments of Submonolayer Co on Cu(001) Studied by X-ray Magnetic Circular Dichroism Using a Superconducting Magnet and a Liquid He Cryostat"T. Nakagawa, Y. Takagi, Y. Matsumoto and T. Yokoyama, Jpn. J. Appl. Phys. 47 (2008) 2132-2136.
195 "Depth-resolved XMCD application to Fe/Ni/Cu(001) films"H. Abe, K. Amemiya, D. Matsumura, T. Ohtsuki, E. Sakai, T. Yokoyama and T. Ohta, AIP Conf. Proc.882 (2007) 384-386.
194 "Measurements of threshold photoemission magnetic dichroism using ultraviolet lasers and a photoelastic modulator" T. Nakagawa, T. Yokoyama, M. Hosaka and M. Katoh, Rev. Sci. Instrum.78 (2007) 023907 (5 pages).
193 "Structural study of Co/Pd(111) and CO/Co/Pd(111) by surface X-ray absorption fine structure spectroscopy"J. Miyawaki, D. Matsumura, A. Nojima, T. Yokoyama and T. Ohta, Surf. Sci. 601 (2007) 95-103.
192 "Phase selective preparations and surface modifications of spherical hollow nanomagnets"M. Ohnishi, Y. Kozuka, Q. -L. Ye, H. Yoshikawa, K. Awaga, R. Matsuno, M. Kobayashi, A. Takahara, T. Yokoyama, S. Bandow and S. Iijima, J. Mater. Chem. 16 (2006) 3215-3220.
191 "Adatom-induced spin reorientation transitions and spin canting in Co films on a stepped Cu(001) surface"T. Nakagawa, H. Watanabe and T. Yokoyama, Phys. Rev. B74 (2006) 134422 (6 pages).
190 "Effect of surface chemisorption on the spin reorientation transition in magnetic ultrathin Fe film on Ag(001)"X.-D. Ma, T. Nakagawa and T. Yokoyama, Surf. Sci. 600 (2006) 4605-4612.
189 "X-Ray Magnetic Circular Dichroism of Size-Selected, Thiolated Gold Clusters"Y. Negishi, H. Tsunoyama, M. Suzuki, N. Kawamura, M. M. Matsushita, K. Maruyama, T. Sugawara, T. Yokoyama and T. Tsukuda, J. Am. Chem. Soc.128 (2006) 12034-12035.
188 "Magnetic circular dichroism near the Fermi level"T. Nakagawa and T. Yokoyama, Phys. Rev. Lett. 96 (2006) 237402 (4 pages).
187 "Spin reorientation transitions of Fe/Ni/Cu(001) studied by using the depth-resolved X-ray magnetic circular dichroism technique"H. Abe, K. Amemiya, D. Matsumura, S. Kitagawa, H. Watanabe, T. Yokoyama and T. Ohta, J. Magn. Magn. Mater. 302 (2006) 86-95.
186 "Surface structure of CO on Co/Pd(111) magnetic thin films and its effect on the spin reorientation transition of the film"D. Matsumura, K. Amemiya, S. Kitagawa, T. Shimada, H. Abe, T. Ohta, H. Watanabe and T. Yokoyama, Phys. Rev. B73 (2006) 174423 (9 pages).
185 "Novel structural and magnetic properties of a 1-D iron(II)-manganese(II) LIESST compound bridged by cyanide"S. Hayami, G. Juhasz, Y. Maeda, T. Yokoyama and O. Sato, Inorg. Chem.44 (2005) 7289-7291.
184 "Light-Modulated XAFS Spectroscopy for Photo-Induced Structural Changes"K. Okamoto, K. Kohdate, K. Nagai, J. Miyawaki, H. Kondoh, T. Yokoyama, A. Nojima and T. Ohta, Phys. Script. T115 (2005) 1050-1052.
183 "Direct Observation of Surface and Interface Magnetism with the Probing Depth-Dependent X-Ray Magnetic Circular Dichroism Technique"K. Amemiya, D. Matsumura, H. Abe, S. Kitagawa, T. Yokoyama and T. Ohta, J. Electron Specrosc. Relat. Phenom.144-147 (2005) 689-693.
182 "Energy-dispersed near-edge x-ray absorption fine structure: A new technique to study dynamic surface processes"H. Kondoh, K. Amemiya, I. Nakai, M. Nagasaka, A. Nambu, T. Shimada, T. Yokoyama and T. Ohta, Phys. Script. T115 (2005) 88.
181 "Effect of adsorbate carbon on spin reorientation transitions in Cu-capped ultrathin Ni films on Cu(001)"T. Nakagawa, H. Watanabe and T. Yokoyama, Surf. Sci. 599 (2005) 262-269.
180 "Electronic states and local structures of the photomagnetic Cu-Mo cyanides Cu2Mo(CN)8・8H2O and Cs0.5Cu1.75Mo(CN)8×1.5H2O studied by x-ray absorption fine structure spectroscopy"X.-D. Ma, T. Yokoyama, T. Hozumi, K. Hashimoto and S. Ohkoshi, Phys. Rev. B72 (2005) 094107 (6 pages).
179 "A Neutral Mixed-Valent Conducting Polymer Formed by Electron Transfer between Metal d and Ligand π Orbitals"M. Mitsumi, H. Goto, S. Umebayashi, Y. Ozawa, M. Kobayashi, T. Yokoyama, H. Tanaka, S. Kuroda and K. Toriumi, Angew. Chem. Int. Ed. 46 (2005) 4164-4168.
178 "Opposite spin reorientation transitions driven by a magnetic orbital moment: Ultrathin Ni films on Cu surfaces"T. Nakagawa, H. Watanabe and T. Yokoyama, Phys. Rev. B71 (2005) 235403 (5 pages).
177 "Spin-reorientation transition of Ni/Cu(100) and CO/Ni/Cu(100): Separation of the surface and bulk components of the x-ray magnetic circular dichroism spectrum"K. Amemiya, E. Sakai, D. Matsumura, H. Abe, T. Ohta, and T. Yokoyama, Phys. Rev. B71 (2005) 214420 (7 pages).
176 "Direct Observation of Magnetic Depth Profile with a Depth-Resolved X-Ray Magnetic Dichroism Technique"K. Amemiya, S. Kitagawa, T. Yokoyama, D. Matsumura, H. Abe, H. Watanabe and T. Ohta, Phys. Script. T115 (2005) 1035-1037.
175 "CO Induced Spin ReorientationTransition of Co/Pd(111) Studied by XMCD and XPS"D. Matsumura, T. Yokoyama, K. Amemiya, S. Kitagawa and T. Ohta, Phys. Script. T115 (2005) 583-585.
174 "Magnetic properties of nickel layers electrodeposited on amorphous carbon "K. Maruyama, E. Arakawa, K. Hiraki, H. Yamaguchi, H. Numata, A. Matsushita, T. Yokoyama, T. Koide, K. Namikawa, and O. Nittono, Proceedings – Electrochem. Soc. PV 2004-23(2004) 191-205 (206th ECS Meeting; Honolulu, HI, U. S. A.).
173 "Direct observation of oscillatory behavior in the surface magnetization of Fe thin films grown on a Ni/Cu(100) film"K. Amemiya, D. Matsumura, H. Abe, S. Kitagawa, T. Ohta, and T. Yokoyama, Phys. Rev. B70 (2004) 195405.
172 "Biscopper complexes of meso-aryl-substituted hexaphyrin: Gable structures and varying antiferromagnetic coupling" S. Shimizu, V. G. Anand, R. Taniguchi, K. Furukawa, T. Kato, T. Yokoyama, and A. Osuka, J. Am. Chem. Soc. 126 (2004) 12280-12281.
171 "Structure and magnetic properties of the single-molecule magnet [Mn11CrO12(O2CCH3)16(H2O)4]・2CH3COOH・4H2O: Magnetization manipulation and dipolar-biased tunneling in a Mn11Cr/Mn12 mixed crystal" H. Hachisuka, K. Awaga, and T. Yokoyama, Phys. Rev. B70 (2004) 104427.
170 "Substrate dependence of self-assembly of alkanethiol: X-ray absorption fine structure study"H. Kondoh, A. Nambu, Y. Ehara, F. Matsui, T. Yokoyama, and T. Ohta, J. Phys. Chem. B108 (2004) 12946-12954.
169 "Direct observation of magnetic depth profiles of thin Fe films on Cu(100) and Ni/Cu(100) with the depth-resolved x-ray magnetic circular dichroism"K. Amemiya, S. Kitagawa, D. Matsumura, H. Abe, T. Ohta and T. Yokoyama, Appl. Phys. Lett. 84 (2004) 936-938.
168 "Formation and magnetic characteristics of cobalt-carbon nanocluster magnets embedded in amorphous carbon matrices" N. Nishi, K. Kosugi, K. Hino, T. Yokoyama and E. Okunishi, Chem. Phys. Lett.369 (2003) 198-203.
167 "Matrix embedded cobalt-carbon nano-cluster magnets: behavior as room temperature single domain magnets" N. Nishi, K. Kosugi, K. Hino and T. Yokoyama, Euro. Phys. J. D24 (2003) 97-100.
166 "Structural study on highly oxidized states of a water oxidation complex [RuⅢ(bpy)2(H2O)]2(μ-O)4+ by ruthenium K-edge X-ray absorption fine structure spectroscopy"K. Okamoto, J. Miyawaki, K. Nagai, D. Matsumura, A. Nojima, T. Yokoyama, H. Kondoh and T. Ohta, Inorg. Chem. 42 (2003) 8682-8689.
165 "X-ray absorption fine-structure study on the Ni(OH)2 monolayer nanoclusters"Y. Ichiyanagi, H. Kondoh, T. Yokoyama, K. Okamoto, K. Nagai and T. Ohta, Chem. Phys. Lett. 379 (2003) 345-350.
164 "Spin crossover complex film, [FeII(H-trz)3]-Nafion, with a spin transition around room temperature"A. Nakamoto, Y. Ono, N. Kojima, D. Matsumura and T. Yokoyama, Chem. Lett.32 (2003) 336-337.
163 "Spin transition and its photo-induced effect in spin crossover complex film based on [Fe(II)(trz)3]"A. Nakamoto, Y. Ono, N. Kojima, D. Matsumura, T. Yokoyama, X. J. Liu and Y. Moritomo, Synthetic Metals 137 (2003) 1219-1220.
162 "Metastable photoinduced phase of Cu(II) ethylenediamine complexes studied by x-ray-absorption fine-structure spectroscopy"T. Yokoyama, K. Takahashi and O. Sato, Phys. Rev.B67 (2003) 172104 (4 pages).
161 "Development of light-modulated XAFS spectroscopy"K. Okamoto, K. Kohdate, K. Nagai, J. Miyawaki, H. Kondoh, T. Yokoyama, A. Nojima and T. Ohta, J. Synchrotron Radiat. 10 (2003) 242-247.
160 "Adsorption of thiolates to Singly coordinated sites on Au(111) evidenced by photoelectron diffraction" H. Kondoh, M. Iwasaki, T. Shimada, K. Amemiya, T. Yokoyama and T. Ohta, Phys. Rev. Lett. 90 (2003) 066102 (4 pages).
159 "Development of a depth-resolved x-ray magnetic circular dichroism: application to Fe/Cu(100) ultrathin films".K. Amemiya, S. Kitagawa, D. Matsumura, T. Yokoyama and T. Ohta, J. Phys. Condens. Matter 15 (2003) S561-S572.
158 "Spin reorientation transitions of ultrathin Co/Pd(111) films induced by chemisorption: x-ray magnetic circular dichroism study" T. Yokoyama, D. Matsumura, K. Amemiya, S. Kitagawa, N. Suzuki and T. Ohta, J. Phys. Condens. Matter 15 (2003) S537-S546.
157 "Photoinduced phase transition of RbMnFe(CN)6 studied by x-ray-absorption fine structure spectroscopy"T. Yokoyama, H. Tokoro, S. Ohkoshi, K. Hashimoto, K. Okamoto and T. Ohta, Phys. Rev. B66 (2002) 184111 (10 pages).
156 "X-ray magnetic circular dichroism study on spin reorientation transitions of magnetic thin films induced by surface chemisorption"D. Matsumura, T. Yokoyama, K. Amemiya, S. Kitagawa and T. Ohta, Phys. Rev. B66 (2002) 024402 (6 pages).
155 "Structure of 2-Mercaptomethylthiophene Monolayers on Au(111)" H. Kondoh, T. Nakamura, F. Matsui, T. Yokoyama, T. Ohta, and M. Matsumoto, Mol. Cryst. Liq. Cryst. 377 (2002) 45-48.
154 "Search on multi-functional properties of spin-crossover system"N. Kojima, S. Toyozaki, M. Itoi, Y. Ono, W. Aoki, Y. Kobayashi, M. Seto and T. Yokoyama, Mol.Cryst. Liq. Cryst. 376 (2002) 567-574.
153 "A soft X-ray beamline for surface chemistry at the Photon Factory"K. Amemiya, H. Kondoh, T. Yokoyama and T. Ohta, J. Electron Spectrosc. Relat. Phenom. 124 (2002) 151-164.
152 "Local structure and electronic state of the photomagnetic material of CoW cyanide studied by x-ray-absorption fine-structure spectroscopy"T. Yokoyama, K. Okamoto, T. Ohta, S. Ohkoshi and K. Hashimoto, Phys. Rev. B65 (2002) 064438 (8 pages).
151 "Magnetic interaction between adsorbed NO and fcc Co(001) thin films studied by X-ray magnetic circular dichroism"Y. Yonamoto, T. Yokoyama, K. Amemiya, D. Matsumura, S. Kitagawa, Y. Hamada, T. Koide and T. Ohta, J. Phys. Soc. Jpn.71 (2002) 607-612.
150 "Structure of alkanethiolate monolayers on Cu(100): Self-assembly on the four-fold-symmetry surface" H. Kondoh, N. Saito, F. Matsui, T. Yokoyama and T. Ohta, J. Phys. Chem. B105 (2001) 12870-12878.
149 "Surface-monolayer-controlled molecular alignment of short n-alkane multilayers"H. Kondoh, F. Matsui, Y. Ehara, T. Yokoyama and T. Ohta, Langmuir 17 (2001) 8178-8183.
148 "Photo-induced magnetized state of Co(DTBSQ)(DTBCat)(phen)・C6H5CH3 studied by X-ray absorption spectroscopy"T. Yokoyama, K. Okamoto, K. Nagai, T. Ohta, S. Hayami, Z.-Z. Gu, R. Nakajima and O. Sato, Chem. Phys. Lett. 345 (2001) 272-276.
147 "S K-edge x-ray absorption fine structure study of vacuum-deposited dihexyldisulfide on Ag(100)" H. Kondoh, H. Tsukabayashi, T. Yokoyama and T. Ohta, Surf. Sci. 489 (2001) 20-28.
146 "O K-edge x-ray magnetic circular dichroism of atomic O adsorbed on an ultrathin Co/Cu(100) film: Comparison with molecular CO on Co/Cu(100)" K. Amemiya, T. Yokoyama, Y. Yonamoto, D. Matsumura and T. Ohta, Phys. Rev. B64 (2001) 132405 (4 pages).
145 "Anisotropic magnetization of CO adsorbed on ferromagnetic metal thin films studied by x-ray magnetic circular dichroism"T. Yokoyama, K. Amemiya, Y. Yonamoto, D. Matsumura and T. Ohta, J. Electron Spectrosc. Relat. Phenom. 119 (2001) 207-214.
144 "Structural, thermal and magnetic properties of thin metal films and adsorbate-substrate systems studied by XAFS and XMCD"T. Yokoyama and T. Ohta, Topics in Catal. 18 (2002) 9-14.
143 "Valence change of Tm atom in metallofullerenes "K. Kikuchi, K. Sakaguchi, N. Ojima, T. Kodama, H. Nishikawa, I. Ikemoto, K. Kohdate, D. Matsumura, T. Yokoyama , and T. Ohta, AIP Conference Proceedings. 590 (16) (2001) 473-476 (International Symposium on Nanonetwork Materials: Fullerenes, Nanotubes, and Related Systems 2001; Kamakura; Japan).
142 "Energy dispersive near edge x-ray absorption fine structure in the soft x-ray region: a new technique to investigate surface reactions"K. Amemiya, H. Kondoh, A. Nambu, M. Iwasaki, I. Nakai, T. Yokoyama and T. Ohta, Jpn. J. Appl. Phys. 40 (2001) L718-L720.
141 "High-energy spectroscopic studies of the electronic structures of organic systems formed from carbon and fluorine by UPS, vacuum-UV optical spectroscopy, and NEXAFS: poly(hexafluoro-1,3-butadiene) [C(CF3) = C(CF3)]n, fluorinated graphites (CF, C2F, and C6F), perfluoroalkanes n-CnF2n+2, poly(tetrafluoroethylene) (CF2)n, and fluorinated fullerenes (C60Fx and C70Fx )"K. Seki, R. Mitsumoto, E. Ito, T. Araki, Y. Sakurai, D. Yoshimura, H. Ishii, Y. Ouchi, T. Miyamae, T. Narita, S. Nishimura, Y. Yasutaka, T. Yokoyama, T. Ohta, S. Suganuma, F. Okino and H. Tohara, Mol. Cryst. Liq. Cryst. Sci. Technol. A355 (2001) 247-274.
140 "Magnetism of an ultrathin Mn Film on Co(100) and the effect of oxidation studied by x-ray magnetic circular dichroism"Y. Yonamoto, T. Yokoyama, K. Amemiya, D. Matsumura and T. Ohta, Phys. Rev. B63 (2001) 214406 (7 pages).
139 "Control of Tc by isomerization of counter anion in Fe(II) spin crossover complexes, [Fe(4-NH2trz)3](R-SO3)2"S. Toyazaki, M. Nakanishi, T. Komatsu, N. Kojima, D. Matsumura and T. Yokoyama, Synthetic Metals 121 (2001) 1794-1795.
138 "Characterization of ruthenium-dinitrogen tetraamine complexes by XAFS spectroscopy"K. Okamoto, T. Takahashi, K. Kohdate, H. Kondoh, T. Yokoyama and T. Ohta, J. Synchrotron Radiat. 8 (2001) Part 2, 689-691.
137 "Quantum statistical approach to Debye-Waller factor in EXAFS: application to monatomic fcc systems"H. Katsumata, T. Miyanaga, T. Yokoyama, T. Fujikawa and T. Ohta, J. Synchrotron Radiat. 8 (2001) Part 2, 226-228.
136 "Path-integral approach to anharmonic vibration of solids and solid interfaces" T. Yokoyama, J. Synchrotron Radiat. 8 (2001) Part 2, 87-91.
135 "Characterization of relaxed photo-excited magnetized states in prussian-blue analogous magnets"T. Yokoyama, K. Okamoto, D. Matsumura, T. Ohta, S. Ohkoshi and K. Hashimoto, J. Synchrotron Radiat. 8 (2001) Part 2, 913-915.
134 "In-situ XAFS Studies of Br Adsorption on Silver (111) electrode" O. Endo, D. Matsumura, K. Kohdate, M. Kiguchi, T. Yokoyama and T. Ohta, J. Electroanalytical Chem. 494 (2000) 121-126.
133 "Study on the spin-crossover system for [Fe(4-NH2trz)3](p-CH3C6H4SO3)2・nH2O"S. Toyazaki, Y. Murakami, T. Komatsu, N. Kojima and T. Yokoyama, Mol. Cryst. Liq. Cryst. 343 (2000) 175-180.
132 "Sulfur K-edge X-ray absorption spectra for BETS and BEDT-TTF charge transfer salts: a novel probe for the determination of hole concentration"T. Hatsui, K. Okamoto, T. Yokoyama, Y. Kitajima, H. Tanaka, E. Ojima, A. Kobayashi, and T. Ohta, Chem. Phys. Lett. 330 (2000) 309-314.
131 "K-edge magnetic circular dichroism of O in CO/Ni/Cu(001): Dependence on substrate magnetic anisotropy and its interpretation"T. Yokoyama, K. Amemiya, M. Miyachi, Y. Yonamoto, D. Matsumura and T. Ohta, Phys. Rev. B62 (2000) 14191-14196.
130 "The effect of water overlayer on the chlorine chemisorbed Ag(100) surface studied by Cl K-edge X-ray absorption fine structure"O. Endo, H. Kondoh, Y. Yonamoto, T. Yokoyama and T. Ohta, Surf. Sci. 463 (2000) 135-144.
129 "Structures and chemical reactions of SO2 adsorbates studied by surface XAFS" T. Ohta, T. Yokoyama, S. Terada, A. Imanishi and Y. Kitajima, Res. Chem. Intermediat. 26 (2000) 29-43.
128 "Surface structures and thermal vibrations of Ni and Cu thin films studied by extended x-ray-absorption fine structure"M. Kiguchi, T. Yokoyama, D. Matsumura, H. Kondoh, O. Endo, T. Ohta, Phys. Rev. B61 (2000) 14020-14027.
127 "Observation of O K-edge x-ray magnetic circular dichroism of CO adsorbed on an Ultrathin Co/Cu(001) films"K. Amemiya, T. Yokoyama, Y. Yonamoto, M. Miyachi, T. Ohta and Y. Kitajima, Jpn. J. Appl. Phys. Express Letter 39 (2000) L63-L65.
126 "EXAFS study on the spin-crossover system, [Fe(4-NH2trz)3](R-SO3)2"N. Kojima, Y. Murakami, T. Komatsu and T. Yokoyama, Synthetic Metals 103 (1999) 2154.
125 "Interface structure of alkali-halide heteroexpitaxial films studied by x-ray-absorption fine structure"M. Kiguchi, T. Yokoyama, D. Matsumura, H. Kondoh, T. Ohta and Y. Kitajima, Phys. Rev. B60 (1999) 16205-16210.
124 "SO2 adsorption on thin Pd/Ni(111) films studied by x-ray-absorption fine-structure spectroscopy"S. Terada, T. Yokoyama, Y. Okamoto, M. Kiguchi, Y. Kitajima and T. Ohta, Surf. Sci. 442 (1999) 141-148.
123 "In-situ x-ray absorption studies of bromine on the Ag(100) electrode" O. Endo, M. Kiguchi, T. Yokoyama, M. Ito and T. Ohta, J. Electroanal. Chem. 473 (1999) 19-24.
122 "Local structure of a trapped photo-excited state of a FeCo cyanide studied by x-ray-absorption fine structure spectroscopy"T. Yokoyama, M. Kiguchi, T. Ohta, O. Sato, Y. Einaga and K. Hashimoto, Phys. Rev. B60 (1999) 9340-9346.
121 "Controllable magnetic properties of layered copper hydroxides, Cu2(OH)3X (X= carboxylates)"W. Fujita, K. Awaga and T. Yokoyama, Appl. Clay Sci. 15 (1999) 281-303.
120 "Growth and moire superstructure of palladium films on Ni(111) studied by STM" S. Terada, T. Yokoyama, N. Saito, Y. Okamoto and T. Ohta, Surf. Sci. 433-435 (1999) 657-660.
119 "Heteroepitaxial growth of KCl on a cleaved (001) face of KBr studied by extended x-ray-absorption fine structure" M. Kiguchi, T. Yokoyama, T. Tsuduki, S. Terada, Y. Kitajima and T. Ohta, Surf. Sci. 433-435 (1999) 595-599.
118 "Adsorption structures of alkanethiols self-assembled monolayers on the Cu(100) surface studied by S-K EXAFS and C-K NEXAFS spectroscopies"T. Tsuduki, A. Imanishi, K. Isawa, S. Terada, F. Matsui, M. Kiguchi, T. Yokoyama and T. Ohta, J. Synchrotron Radiat. 6 (1999) 787-789.
117 "Path-integral effective-potential theory for EXAFS cumulants compared with the second-order perturbation" T. Yokoyama, J. Synchrotron Radiat. 6 (1999) 323-325.
116 "Effective-potential method applied to the EXAFS Debye-Waller factors of molecules and solids"T. Yokoyama, Path Integral from peV to TeV: 50 Years after Feynman’s Paper, eds. R. Casalbuoni, R, Giachetti, V. Tognetti, R. Vaia and P. Verrucchi (World Scientific, Singapore, 1999) p.474-477.  
115 "Asymmetric surface structure of SO2 on Pd(111) studied by total-reflection x-ray absorption fine structure spectroscopy" S. Terada, T. Yokoyama, M. Sakano, M. Kiguchi, Y. Kitajima and T. Ohta, Chem. Phys. Lett. 300 (1999) 645-650.
114 "Oxygen K-edge x-ray-absorption fine-structure study of surface methoxy species on Cu(111) and Ni(111)"K. Amemiya, Y. Kitajima, Y. Yonamoto, S. Terada, H. Tsukabayashi, T. Yokoyama and T. Ohta, Phys. Rev. B59 (1999) 2307-2312.
113 "Core hole effect in NEXAFS spectroscopy of polycyclic hydrocarbons: Benzene, chrysene, perylene, and coronene"H. Oji, R. Mitsumoto, E. Ito, Y. Ouchi, K. Seki, T. Yokoyama, T. Ohta and N. Kosugi, J. Chem. Phys. 109 (1998) 10409-10418.
112 "Spin-crossover phase transition of a chain Fe(II) complex studied by x-ray-absorption fine-structure spectroscopy" T. Yokoyama, Y. Murakami, M. Kiguchi, T. Komatsu and N. Kojima, Phys. Rev. B58 (1998) 14238-14244.
111 "Thiophene adsorption on Pd(111) and Pd(100) surfaces studied by total-reflection S K-edge X-ray absorption fine structure spectroscopy" S. Terada, T. Yokoyama, M. Sakano, A. Imanishi, Y. Kitajima, M. Kiguchi, Y. Okamoto and T. Ohta, Surf. Sci. 414 (1998) 107-117.
110 "Surface structure of N/Pd(100)-c(2×2) determined by tensor Low Energy Electron Diffraction analysis"T. Kayama, T. Yokoyama, H. Hamamatsu and T. Ohta, Jpn. J. Appl. Phys. 37 (1998) 5697-5700.
109 "Characterization of magnetic materials of CoFe cyanides by x-ray-absorption fine-structure spectroscopy"T. Yokoyama, T. Ohta, O. Sato and K. Hashimoto, Phys. Rev. B58 (1998) 8257-8266.
108 "Ni 2p excitation spectra of some planar Ni complexes"T. Hatsui, Y. Takata, N. Kosugi, K. Yamamoto, T. Yokoyama and T. Ohta, J. Electron Spectrosc. Relat. Phenom. 88-91 (1998) 405-409.
107 "Structural studies of adsorbed alkanethiols on Cu(111) by use of S and C K-edge X-ray absorption fine structure"A. Imanishi, K. Isawa, F. Matsui, T. Tsuduki, T. Yokoyama, H. Kondoh, Y. Kitajima and T. Ohta, Surf. Sci. 407 (1998) 282-292.
106 "Surface structure of cesium adsorption on the Si(001) 2×1 surface" H. Hamamatsu, H. W. Yeom, T. Yokoyama, T. Kayama and T. Ohta, Phys. Rev. B57 (1998) 11883-11886.
105 "Structural and electronic properties of adsorbed thiophene on Cu(111) studied by S K-edge X-ray absorption spectroscopy"A. Imanishi, T. Yokoyama, Y. Kitajima and T. Ohta, Bull. Chem. Soc. Jpn. 71 (1998) 831-835.
104 "Path integral effective potential method applied to extended x-ray-absorption fine structure cumulants"T. Yokoyama, Phys. Rev. B57 (1998) 3423-3432.
103 "NEXAFS spectroscopic study of organic photographic dyes and their adsorbed states on AgCl and AgBr"T. Araki, E. Ito, K. Oichi, R. Mitsumoto, M. Sei, H. Oji, Y. Yamamoto, Y. Ouchi, K. Seki, Y. Takata, K. Edamatsu, T. Yokoyama, T. Ohta, Y. Kitajima, S. Watanabe, K. Yamashita, T. Tani, J. Phys. Chem. B101 (1997) 10378-10385.
102 "NEXAFS spectroscopic study of organic photographic dyes and their adsorbed states on AgCl and AgBr" T. Araki, E. Ito, K. Oichi, R. Mitsumoto, M. Sei, H. Oji, Y. Yamamoto, Y. Ouchi, K. Seki, Y. Takata, K. Edamatsu, T. Yokoyama, T. Ohta, Y. Kitajima, S. Watanabe, K. Yamashita, T. Tani, Int. Symp. Silver Halide Imaging: Recent Adv. Future Oppor. Silver Halide Imaging, Final Program Proc. IS&T/SPSTJ's (1997) 91-95.  
101 "Adsorption of SO2 on Pd(100) studied by S K-edge XAFS"S. Terada, M. Sakano, Y. Kitajima, T. Yokoyama and T. Ohta, J. Phys. IV France 7 (1997) C2 703-704.
100 "Structure of CH3SH on Cu(100) studied by S-K SEXAFS and NEXAFS"A. Imanishi, S. Takenaka, T. Yokoyama, Y. Kitajima and T. Ohta, J. Phys. IV France 7 (1997) C2 701-702.
99 "Adsorption and surface reaction of SO2 on Cu(100) studied by S K-edge XAFS and STM"T. Nakahashi, H. Hamamatsu, S. Terada, M. Sakano, F. Matsui, T. Yokoyama, Y. Kitajima and T. Ohta, J. Phys. IV France IV 7 (1997) C2 679-681.
98 "EXAFS cumulants and interatomic potentials"T. Yokoyama, Y. Yonamoto, K. Kobayashi and T. Ohta, J. Phys. IV France 7 (1997) C2 125-129.
97 "Coverage dependence of surface structure and vibration of Cl/Cu(100) compared to Cl/Cu(100)"M. Kiguchi, T. Yokoyama, S. Terada, M. Sakano, Y. Okamoto, T. Ohta, Y. Kitajima and H. Kuroda, Phys. Rev. B56 (1997) 1561-1567.
96 "Anisotropic anharmonic vibrations of the surface S-Ni and Cl-Ni bonds in c(2×2)S and Cl/Ni(100) systems studied by molecular dynamics"M. Kiguchi, T. Yokoyama, Y. Okamoto, T. Ohta and H. Kuroda, J. Phys. Soc. Jpn. 66 (1997) 1371-1377.
95 "Thermal expansion and anharmonicity of solid Kr studied by extended x-ray-absorption fine structure"T. Yokoyama, T. Ohta and H. Sato, Phys. Rev. B55 (1997) 11320-11329.
94 "Coverage dependence of surface structures and vibrations of Cl/Ni(100) studied by Cl K-edge SEXAFS"T. Yokoyama, S. Terada, Y. Okamoto, M. Sakano, T. Ohta, Y. Kitajima, M. Tischer and K. Baberschke, Surf. Sci. 374 (1997) 243-250.
93 "Adsorption of SO2 on Cu(100) studied by x-ray-absorption fine-structure spectroscopy and scanning tunneling microscopy"T. Nakahashi, S. Terada, T. Yokoyama, H. Hamamatsu, Y. Kitajima, M. Sakano, F. Matsui and T. Ohta, Surf. Sci. 373 (1997) 1-10.
92 "Surface structure of S/Ni(111) - (√3×√3)R30° determined by back-reflection X-ray standing-wave method"S Takenaka, T. Yokoyama, S. Terada, M. Sakano, Y. Kitajima and T. Ohta, Surf. Sci. 372 (1997) 300-306.
91 "Adsorbate-substrate dynamics for c(2×2)Cl/Ni(100): A SEXAFS study" M. Tischer, P. Srivastava, H. Wende, K. Baberschke, T. Yokoyama, S. Terada, M. Sakano, Y. Kitajima and T. Ohta, Surf. Sci. 371 (1997) 409-419.
90 "EXAFS study of two-dimensional organic/inorganic hybrid nanocomposite, Cu2(OH)3(n-CmH2m+1COO) (m=0,1,7,8 and 9): Structural modification in the inorganic layer induced by the interlayer organic molecule" W. Fujita, K. Awaga and T. Yokoyama, Inorg. Chem. 36 (1997) 196-199.
89 "Temperature dependence of extended x-ray absorption fine structure of CuBr2-: Dynamical effect of the scattering amplitude"T. Yokoyama and T. Ohta, J. Phys. Soc. Jpn. 65 (1996) 3909-3914.
88 "Anharmonicity of the bending and stretching vibrations observed in extended x-ray absorption fine structure of tetrahedral molecules"T. Yokoyama, Y. Yonamoto and T. Ohta, J. Phys. Soc. Jpn. 65 (1996) 3901-3908.
87 "Anharmonic interatomic potentials of octahedral Pt halogen complexes studied by extended x-ray-absorption fine structure" T. Yokoyama, Y. Yonamoto, T. Ohta and A. Ugawa, Phys. Rev. B54 (1996) 6921-6928.
86 "Adsorption and decomposition of SiH4 and surface silicide formation on Cu(111) studied by X-ray absorption fine structure spectroscopy" T. Kanazawa, Y. Kitajima, T. Yokoyama, S. Yagi, A. Imanishi and T. Ohta, Surf. Sci. 357/358 (1996) 160-164.
85 "Adsorption of SO2 on Ni(110) studied by S K-edge XAFS"S. Terada, A. Imanishi, T. Yokoyama, Y. Kitajima and T. Ohta, J. Electron Spectrosc. Relat. Phenom. 80 (1996) 245-248.
84 "Adsorption of SO2 on Ni(100) and Ni(111) surfaces"T. Yokoyama, S. Terada, A. Imanishi, Y. Kitajima, N. Kosugi and T. Ohta, J. Electron Spectrosc. Relat. Phenom. 80 (1996) 161-164.
83 "Structural and electronic properties of adsorbed C4H4S on Cu(100) and Ni(100) studied by S K-XAFS and S-1s XPS"
A. Imanishi, S. Yagi,
T. Yokoyama, Y. Kitajima and T. Ohta, J. Electron Spectrosc. Relat. Phenom. 80 (1996) 151-154.
82 "Anharmonic interatomic potentials of diatomic and linear triatomic molecules studied by extended x-ray-absorption fine structure"T. Yokoyama, K. Kobayashi, T. Ohta and A. Ugawa, Phys. Rev. B53 (1996) 6111-6122.
81 "In-situ asymmetric structure analysis of Pt clusters on α-Al2O3(0001) in H2 reduction and NO adsorption" K. Asakura, K. Tomishige, W. -J. Chun, T. Yokoyama and Y. Iwasawa, Physica B208/209 (1995) 637-640.
80 "Local dynamics and local thermal expansion around light elements in the bulk and on surfaces"L. Troger, D. Arvanitis, T. Yokoyama and K. Baberschke, Physica B208/209 (1995) 267-268.
79 "Anharmonic anisotropic vibrations of the S-Ni bonds in c(2×2) overlayers on Ni(100) and Ni(110) surfaces" T. Yokoyama, H. Hamamatsu, T. Ohta and Y. Kitajima, Physica B208/209 (1995) 467-468.
78 "Surface structure of (√3×√3)R30° and (5√3×2) phases of S/Ni(111)" Y. Kitajima, S. Yagi, T. Yokoyama, A. Imanishi, S. Takenaka and T. Ohta, Physica B208/209 (1995) 463-464.
77 "Adsorption of CS2 on Cu(111) and Cu(100)"S. Yagi, T. Yokoyama, Y. Kitajima, A. Imanishi, S. Takenaka and T. Ohta, PhysicaB208/209 (1995) 447-448.
76 "Surface structure of SO2 adsorbed on Ni(110) studied by S K-edge X-ray absorption fine structure spectroscopy" S. Terada, A. Imanishi, T. Yokoyama, S. Takenaka, Y. Kitajima, T. Ohta, Surf. Sci. 336 (1995) 55-62.
75 "Electronic properties of SO2 adsorbed on Ni(100) studied by UPS and O K-edge NEXAFS"T. Yokoyama, A. Imanishi, S. Terada, H. Namba, Y. Kitajima, T. Ohta, Surf. Sci. 334 (1995) 88-94.
74 "XANES spectroscopic studies of evaporated porphyrin films: molecular orientation and electronic structure"S. Narioka, H. Ishii, Y. Ouchi, T. Yokoyama, T. Ohta and K. Seki, J. Phys. Chem. 99 (1995) 1332-1337.
73 "Structure, composition and vibrational property of Iodine-doped polyvinyl alcohol studied by temperature-dependent I K-edge extended X-ray absorption fine structure"T. Yokoyama, K. Kaneyuki, H. Sato, H. Hamamatsu and T. Ohta, Bull. Chem. Soc. Jpn. 68 (1995) 469-475.
72 "Asymmetric adsorption of CS2 on Cu(100) studied by S K-edge X-ray absorption fine structure spectroscopy"S. Yagi, S. Takenaka, T. Yokoyama, Y. Kitajima, A. Imanishi and T. Ohta, Surf. Sci. 325 (1995) 68-74.
71 "Surface structures and electronic properties of SO2 adsorbed on Ni(111) and Ni(100) studied by S K-edge X-ray absorption fine structure spectroscopy"T. Yokoyama, S. Terada, S. Yagi, A. Imanishi, S. Takenaka, Y. Kitajima and T. Ohta, Surf. Sci. 324 (1995) 25-34.
70 "The structural and dynamical properties of molecularly adsorbed O2 on Cu(100)" T. Yokoyama, D. Arvanitis, T. Lederer, G. Comelli, M. Tischer, L. Troger and K. Baberschke, The Structure of Surfaces IV (World Scientific, Singapore, 1994) p.225-230.  
69 "Temperature dependent MCXD measurements of thin Ni films on Cu(100)"M. Tischer, D. Arvanitis, T. Yokoyama, T. Lederer, L. Troger and K. Baberschke, Surf. Sci. 307-309 (1994) 1096-1101.
68 "Surface structures of S/Ni(111) in (√3×√3)R30° and (5√3×2) phases studied by surface extended X-ray absorption fine structure spectroscopy"Y. Kitajima, S. Yagi, T. Yokoyama, A. Imanishi, S. Takenaka and T. Ohta, Surf. Sci. 320 (1994) L89-L94.
67 "Vibrational and anharmonic properties of the surface S-Ni bonds in c(2×2)S/Ni(100) and c(2×2)S/Ni(110) from the SEXAFS point of view"T. Yokoyama, H. Hamamatsu, Y. Kitajima, Y. Takata, S. Yagi and T. Ohta, Surf. Sci. 313 (1994) 197-208.
66 "Structural and electronic properties of molecularly adsorbed CS2 on Cu(111) studied by X-ray absorption and photoelectron spectroscopies" S. Yagi, T. Yokoyama, Y. Kitajima, Y. Takata, T. Kanazawa, A. Imanishi and T. Ohta, Surf. Sci. 311 (1994) 172-180.
65 "Determination of bond lengths, atomic mean-square relative displacements and local thermal expansion by means of soft x-ray photoabsorption" L. Troger, T. Yokoyama, D. Arvanitis, T. Lederer, M. Tischer and K. Baberschke, Phys. Rev. B49 (1994) 888-903.
64 "Crystal structure and electronic state of the organic ferromagnet, nitrophenyl α-nitronyl nitroxide radical" K. Awaga, T. Inabe, T. Yokoyama and Y. Maruyama, Mol. Cryst. Liq. Cryst. 232 (1993) 79-88.
63 "Photoelectron spectroscopic studies of an a-nitronylnitroxide radical: mechanism of ferromagnetic intermolecular interaction"K. Awaga, T. Yokoyama, T. Fukuda, S. Masuda, Y. Harada, Y. Maruyama and N. Sato, Mol. Cryst. Liq. Cryst. 232 (1993) 27-34.
62 "XANES spectroscopic study of chemical bonding in amides and N-salicylideneanilines" K. Oichi, E. Ito, T. Araki, K. Seki, S. Narioka, H. Ishii, T. Okajima, Y. Takata, T. Yokoyama, T. Ohta, T. Inabe and Y. Maruyama, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 818-820.
61 "XANES spectroscopic studies of chemical bonding in sulfur-containing organic photographic materials"T. Araki, K. Seki, S. Narioka, H. Ishii, Y. Takata, T. Yokoyama, T. Ohta, T. Okajima, S. Watanabe and T. Tani, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 815-817.
60 "XANES spectroscopic studies of merocyanine dyes and their adsorbed states on AgCl" T. Araki, K. Seki, S. Narioka, Y. Takata, T. Yokoyama, T. Ohta, S. Watanabe and T. Tani, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 434-438.
59 "Adsorption and decomposition of silane on Cu(111)"T. Asahi, S. Yagi, H. Aga, Y. Takata, Y. Kitajima, T. Yokoyama and T. Ohta, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 380-382.
58 "Surface structure of (√7×√7)R19.1°S/Cu(111) studied by surface EXAFS and back-reflection x-ray standing-wave method" Y. Kitajima, Y. Takata, H. Sato, S. Yagi, T. Yokoyama and T. Ohta, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 377-379.
57 "The adsorption of O2 molecules on Cu(100): evidence for enhanced disorder and anharmonicity"D. Arvanitis, T. Yokoyama, T. Lederer, G. Comelli, M. Tischer and K. Baberschke, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 371-373.
56 "Adsorption of CS2 on O-, S- and C-precovered Ni(100) studied by S K-edge XANES"S. Yagi, Y. Takata, Y. Kitajima, T. Asahi, H. Aga, T. Yokoyama and T. Ohta, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 353-355.
55 "Adsorption of thiophene on Ni(100) studied by S K-edge XANES" Y. Takata, Y. Kitajima, S. Yagi, T. Asahi, T. Yokoyama, K. Tanaka and T. Ohta, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 350-352.
54 "Bonding on surfaces: the SEXAFS point of view"D. Arvanitis, T. Lederer, G. Comelli, M. Tischer, T. Yokoyama, L. Troger and K. Baberschke, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 337-341.
53 "Improved distance determination in oxygen EXAFS: soft x-ray fluorescence measurements versus theoretical standards"L. Troger, D. Arvanitis, J. J. Rehr, T. Lederer, T. Yokoyama, K. Baberschke and E. Zschech, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 137-140.
52 "Splice method in the EXAFS analysis applied to cuprous halides"I. Ono, T. Yokoyama, H. Sato, K. Kaneyuki and T. Ohta, Jpn. J. Appl. Phys. Suppl. 32-2 (1993) 83-85.
51 "Adsorption of oxygen on Cu(100), II: molecular adsorption and dissociation by means of O K-edge x-ray absorption fine structure"T. Yokoyama, D. Arvanitis, T. Lederer, M. Tischer, L. Troger, K. Baberschke and G. Comelli, Phys. Rev. B48 (1993) 15405-15416.
50 "Spectral sensitization, interfacial electronic structure and adsorption geometry at merocyannine dye/silver halide interfaces"K. Seki, T. Araki, E. Ito, K. Oichi, S. Narioka, T. Yokoyama, T. Ohta, S. Watanabe and T. Tani, J. Imag. Sci. Technol. 37 (1993) 589-597.  
49 "EXAFS Study of Local Structures in Intercalation Compounds MxTiS2 (M=Mn,Fe,Co,Ni)"H. Negishi, S. Ohara, Y. Takata, T. Yokoyama, M. Taniguchi and M. Inoue, Mater. Sci. Forum 91 (1992) 603.
48 "UPS and XANES studies of photopolymerization of long-chain diacetylene compounds"K. Seki, T. Yokoyama, T. Ohta, H. Nakahaka, K. Fukuda, Mol. Cryst. Liq. Cryst. Sci. Technol. A218 (1992) 85-90.
47 "Local structure of RbBrxCl1-x and CuBrxCl1-x solid solutions studied by temperature-dependent Br K-edge extended x-ray-absorption fine-structure spectroscopy"H. Sato, T. Yokoyama, I. Ono, K. Kaneyuki and T. Ohta, Jpn. J. Appl. Phys. 31 (1992) 1118-1123.
46 "S K-edge x-ray absorption and x-ray photoelectron spectroscopic studies of CS2 adsorption on Ni(100)"T. Yokoyama, S. Yagi, Y. Takata, H. Sato, T. Asahi, T. Ohta and Y. Kitajima, Surf. Sci. 274 (1992) 222-230.
45 "Site selective adsorption of Cl atoms on Ni(111) studied by back-reflection x-ray standing-wave method"Y. Takata, H. Sato, S. Yagi, T. Yokoyama, T. Ohta and Y. Kitajima, Surf. Sci. 265 (1992) 111-117.
44 "Ru L-edge X-Ray Absorption Studies of the Formation of Ru-Cu Bimetallic Aggregates on Cu(100)"T. K. Sham, T. Ohta, T. Yokoyama, Y. Takata, Y. Kitajima, M. Funabashi and H. Kuroda, J. Chem. Phys. 95 (1991) 8725-8731.
43 "Soft x-ray standing-wave profiles of surface c(2×2)S/Ni(100)"Y. Takata, T. Yokoyama, Y. Kitajima, M. Funabashi, H. Kuroda and T. Ohta, XAFS VI (Ellis Horwood, 1991) p.254-256.  
42 "Surface reconstruction in (√17×√17)R14°S/Cu(100) studied by surface EXAFS"Y. Kitajima, Y. Takata, T. Yokoyama, M. Yoshiki, T. Ohta and H. Kuroda, XAFS VI (Ellis Horwood, 1991) p.226-228.  
41 "Temperature-dependent EXAFS study on AgBrxCl1-x solid solutions"T. Yokoyama, F. Takamatsu, K. Seki, K. Miyake, T. Tani and T. Ohta, XAFS VI (Ellis Horwood, 1991) p.423-425.  
40 "Temperature dependence of EXAFS spectra of supported small metal particles" H. Kuroda, T. Yokoyama, K. Asakura and Y. Iwasawa, Faraday Discuss. Chem. Soc. 92/12 (1991) 1-10.
39 “Surface structure of Cl/Ni(111) determined by surface EXAFS spectroscopy and soft x-ray standing-wave method”M. Funabashi, T. Yokoyama, Y. Takata, T. Ohta, Y. Kitajima and H. Kuroda, Surf. Sci. 242 (1991) 59-64.
38 "Thiophenol adsorption on Ni(100) studied by S K-edge SEXAFS and XANES"Y. Takata, T. Yokoyama, S. Yagi, N. Happo, H. Sato, K. Seki, T. Ohta, Y. Kitajima and H. Kuroda, Surf. Sci. 259 (1991) 266-274.
37 "Local structures of carbon thin films synthesized by the hot filament chemical vapor deposition method: x-ray-absorption near-edge structure and Raman spectroscopic studies"K. Edamatsu, Y. Takata, T. Yokoyama, K. Seki, M. Tohnan, T. Okada and T. Ohta, Jpn. J. Appl. Phys. 30 (1991) 1073-1083.
36 "Position sensitive radiation detector using a heterojunction of amorphous and crystalline silicon"Y. Chiba, I. Endo, M. Kubota, T. Osugi, S. Okada, S. Asai, Y. Hirata, Y. Kitano, T. Ohta, K. Seki, T. Yokoyama, M. Yabe and F. Takasaki, Nucl. Phys. B16 (1990) 507-507.
35 "Surface EXAFS study of (√7×√7)R19.1°/Cu(111)"Y. Kitajima, T. Yokoyama, Y. Takata, M. Yoshiki, T. Ohta, M. Funabashi and H. Kuroda, Phys. Script. 41 (1990) 958-961.
34 "X-ray absorption spectra of poly-p-phenylenes and polyacenes: localization of π orbitals"T. Yokoyama, K. Seki, I. Morisada, K. Edamatsu and T. Ohta, Phys. Script. 41 (1990) 189-192.
33 "XANES and UPS studies of the UV photopolymerization of a diacetylene long chain compound in oriented evaporated films"K. Seki, I. Morisada, K. Edamatsu, H. Tanaka, H. Yanagi, T. Yokoyama and T. Ohta, Phys. Script. 41 (1990) 172-176.
32 "Polarized XANES studies of oriented polyethylene and fluorinated polyethylenes"T. Ohta, K. Seki, T. Yokoyama, I. Morisada and K. Edamatsu, Phys. Script. 41 (1990) 150-153.
31 "Ru L-edge x-ray absorption near edge structure (XANES) from Ru LM4,5M4,5 and M4,5N4,5N4,5 Auger yields"T. K. Sham, T. Ohta, T. Yokoyama, Y. Takata, Y. Kitajima, M. Funabashi and H. Kuroda, J. Electron Spectrosc. Relat. Phenom. 53 (1990) 177-184.
30 "Bromine adsorption on supported palladium ultrafine particles studied by Br K-edge EXAFS spectroscopy" T. Yokoyama, A. Imada, F. Takamatsu and T. Ohta, Jpn. J. Appl. Phys. 29 (1990) 1784-1788.
29 "Temperature-dependent Br K-edge EXAFS study on AgBrxCl1-x solid solutions" T. Yokoyama, F. Takamatsu, K. Seki, K. Miyake, T. Tani and T. Ohta, Jpn. J. Appl. Phys. 29 (1990) L1486-L1489.
28 "Surface relaxation in c(2×2)Cl/Ni(100) determined by the soft x-ray standing-wave method combined with surface-extended x-ray-absorption fine-structure spectroscopy" T. Yokoyama, Y. Takata, T. Ohta, M. Funabashi, Y. Kitajima and H. Kuroda, Phys. Rev. B42 (1990) 7000-7005.
27 "Temperature-dependent EXAFS Study on supported silver and palladium clusters: comparison of their interatomic potentials with those of bulk metals" T. Yokoyama and T. Ohta, Jpn. J. Appl. Phys. 29 (1990) 2052-2058.
26 "Photopolymerization of long-chain diacetylene monocarboxylic acid in Langmuir-Blodgett films studied by UV photoelectron spectroscopy and x-ray absorption near-edge structure" K. Seki, I. Morisada, H. Tanaka, K. Edamatsu, M. Yoshiki, Y. Takata, T. Yokoyama and T. Ohta, Thin Solid Films 179 (1989) 15-20.
25 "Ru L-edge x-ray absorption studies of the formation of Ru-Cu bimetallics on Cu(111) and Cu(100) surfaces" T. K. Sham, T. Ohta, T. Yokoyama, Y. Takata, Y. Kitajima, M. Funabashi and H. Kuroda, Physica B158 (1989) 698-699.
24 "Surface EXAFS and XANES study of (5√3×2)S/Ni(111): A pseudo-c (2×2)S/Ni(100) model with surface reconstruction"Y. Kitajima, T. Yokoyama, M. Funabashi, T. Ohta and H. Kuroda, Physica B158 (1989) 668-669.
23 "Study of surface EXAFS and x-ray standing-wave absorption profiles for (√3×√3)R30° Cl/Ni(111)"M. Funabashi, Y. Kitajima, T. Yokoyama, T. Ohta and H. Kuroda, Physica B158 (1989) 664-665.
22 "Study of surface EXAFS and x-ray standing-wave absorption profiles for p(2×2)S/Ni(111)"T. Yokoyama, M. Funabashi, Y. Kitajima, T. Ohta and H. Kuroda, Physica B158 (1989) 643-645.
21 "Temperature-dependent EXAFS study on silica-supported small silver and palladium clusters"T. Yokoyama, S. Kimoto and T. Ohta, Physica B158 (1989) 255-256.
20 "Compact fluorescence x-ray detector for surface EXAFS and x-ray standing-wave measurements" M. Funabashi, T. Ohta, T. Yokoyama, Y. Kitajima and H. Kuroda, Rev. Sci. Instrum. 60 (1989) 2505-2508.
19 "Performance of the cooling system for the soft x-ray double-crystal monochromator at the Photon Factory"M. Funabashi, M. Nomura, Y. Kitajima, T. Yokoyama, T. Ohta and H. Kuroda, Rev. Sci. Instrum. 60 (1989) 1983-1986.
18 "Correlation satellites in deep metal 3p core x-ray photoemission of tetravalent oxides MO2 (M=Ce, Pr, Tb, Hf) and of LaF3"A. Bianconi, T. Miyahara, A. Kotani, Y. Kitajima, T. Yokoyama, H. Kuroda, M. Funabashi, H. Arai and T. Ohta, Phys. Rev. B39 (1989) 3380-3385.
17 "Temperature dependence of EXAFS spectra of rhodium and palladium catalysts in the strong metal-support interaction state"T. Yokoyama, K. Asakura, Y. Iwasawa and H. Kuroda, J. Phys. Chem. 93 (1989) 8323-8327.
16 "Anharmonic interatomic potentials of metals and metal bromides determined by EXAFS"T. Yokoyama, T. Satsukawa and T. Ohta, Jpn. J. Appl. Phys. 28 (1989) 1905-1908.
15 "Applicability of the soft x-ray standing-wave method to surface structure determination"T. Yokoyama, Y. Takata, M. Yoshiki, T. Ohta, M. Funabashi, Y. Kitajima and H. Kuroda, Jpn. J. Appl. Phys. 28 (1989) L1637-L1640.
14 "Surface EXAFS and XANES studies of (5√3×2)S/Ni(111): A pseudo-c(2×2)S/Ni(100) model with surface reconstruction"Y. Kitajima, T. Yokoyama, M. Funabashi, T. Ohta and H. Kuroda, Surf. Sci. 214 (1989) L261-L269.
13 "XANES and Raman spectroscopic studies of diamond films synthesized by hot filament CVD"Y. Takata, K. Edamatsu, T. Yokoyama, K. Seki, M. Tohnan, T. Okada and T. Ohta, Jpn. J. Appl. Phys. 28 (1989) L1282-L1285.
12 "Temperature-dependent EXAFS study on supported silver and palladium clusters"T. Yokoyama, S. Kimoto and T. Ohta, Jpn. J. Appl. Phys. 28 (1989) L851-L853.
11 "Ru L-edge x-ray absorption studies of the electronic structure of Ru3(CO)12 adsorption and the formation of Ru-Cu bimetallics on Cu(111)" T. K. Sham, T. Ohta, T. Yokoyama, Y. Kitajima, M. Funabashi, N. Kosugi and H. Kuroda, J. Chem. Phys. 88 (1988) 475-477.
10 "EXAFS study on SiO2-supported Rh-Fe and Rh-Pd bimetallic catalysts" H. Kuroda, T. Yokoyama, N. Kosugi, M. Ichikawa and T. Fukushima, J. Phys. Colloq. 47 (1986) C8 301-304.
9 "Temperature dependence of the Pt LIII-edge EXAFS of platinum clusters supported on NaY-zeolite" T. Yokoyama, N. Kosugi, K. Asakura, Y. Iwasawa and H. Kuroda, J. Phys. Colloq. 47 (1986) C8 273-276.
8 "EXAFS evidence for direct rhodium-iron bonding in silica-supported rhodium-iron bimetallic catalysts" M. Ichikawa, T. Fukushima, T. Yokoyama, N. Kosugi and H. Kuroda, J. Phys. Chem. 90 (1986) 1222-1224.
7 "Polarization dependence of XANES of square-planar Ni(CN)42- ion. A comparison with octahedral Fe(CN)64- and Fe(CN)63- ions" N. Kosugi, T. Yokoyama and H. Kuroda, Chem. Phys. 104 (1986) 449-453.
6 "Polarized XANES spectra of CuCl2・2H2O. Further evidence for shake-down phenomena" T. Yokoyama, N. Kosugi and H. Kuroda, Chem. Phys. 103 (1986) 101-109.
5 "Structural study of poly(carbon diselenide)" A. Kobayashi, N. Sasagawa, Y. Sasaki, K. Asakura, T. Yokoyama, H. Ishii, N. Kosugi, H. Kuroda and H. Kobayashi, Chem. Lett. 14(1985) 1-4.
4 "EXAFS studies on the surface structures of the catalysts derived from Rh-Co bimetallic carbonyls supported on Al2O3" T. Yokoyama, N. Kosugi, H. Kuroda, M. Ichikawa and T. Fukushima, EXAFS and Near Edge Structure III, Springer Proc. in Physics vol.2 (Springer, Berlin, 1984) p.192-194.  
3 "Shake-down phenomena and polarized XANES spectra of Cu(II) complexes" N. Kosugi, T. Yokoyama and H. Kuroda, EXAFS and Near Edge Structure III, Springer Proc. in Physics vol.2 (Springer, Berlin, 1984) p.55-57.  
2 "Structures of the catalysts derived from Rh-Co bimetallic carbonyls supported on g-Al2O3: study of Rh-K EXAFS" T. Yokoyama, K. Yamazaki, N. Kosugi, H. Kuroda, M. Ichikawa and T. Fukushima, J. Chem. Soc. Chem. Commun. (1984) 962-963.
1 "Polarized Cu K-edge XANES of square planar CuCl42- ion. Experimental and theoretical evidence for shake-down phenomena" N. Kosugi, T. Yokoyama, K. Asakura and H. Kuroda, Chem. Phys. 91 (1984) 249-256.


B. Reviews   top

 62  “Tracking the local structure change during the photoabsorption processes of photocatalysts by the ultrafast pump-probe XAFS method” Y. Uemura, T. Yokoyama , T. Katayama, S. Nozawa and K. Asakura, Appl. Sci. 10(2020) 7818 (Nov. 4); (DOI: 10.3390/app10217818).  
 61  “Operando observation of sulfur species that poison polymer electrolyte fuel cell studied by near ambient pressure hard X-ray photoelectron spectroscopy” T. Yokoyama and Y. Iwasawa, SPring-8 Research Frontiers 2019 (2020) 64-65.  
 60  “Status of Synchrotron Radiation X-ray-based Multi-analytical Beamline BL36XU for Fuel Cell Electrocatalysis Research at SPring-8” T. Uruga, M. Tada, O. Sekizawa, Y. Takagi, T. Yokoyama , and Y. Iwasawa, Synchrotron Radiation News 33 (2020) 26-28.  
 59 「専用ビームラインの研究から~BL36XU(電気通信大学)~オペランド大気圧硬 X 線光電子分光による固体高分子形燃料電池の劣化・被毒機構追跡」 横山利彦 、高木康多、中村高大、唯美津木、宇留賀朋哉、岩澤康裕、SPring-8/SACLA利用者情報24 (2019) 257-262.  
 58  “SPring-8 BL36XU: Synchrotron Radiation X-ray-based Multi-analytical Beamline for Polymer Electrolyte Fuel Cells under Operating Conditions” T. Uruga, M. Tada, O. Sekizawa, Y. Takagi, T. Yokoyama and Y. Iwasawa,Chem. Rec. 19 (2019) 1-14 (DOI: 10.1002/tcr.201800193).  
 57 「燃料電池における反応を解明する」 横山利彦 「放射光利用の手引―農水産・医療,エネルギー,環境,材料開発分野などへの応用―」東北放射光施設推進会議推進室編集(アグネ技術センター,2019年) p.110-116.  
 56 「大気圧環境下の試料を光電子分光法で評価する」 横山利彦「放射光利用の手引―農水産・医療,エネルギー,環境,材料開発分野などへの応用―」東北放射光施設推進会議推進室編集(アグネ技術センター,2019年) p.257-263.  
 55 「雰囲気制御型硬X線光電子分光による固体高分子形燃料電池電極のオペランド計測」 高木康多,横山利彦 ,岩澤康裕,表面と真空 2019特集「オペランド計測による電池・燃料電池の動的過程」62 (2019) pp. 1–6.  
 54  “X-ray photoelectron spectroscopy under ambient pressure conditions” Y. Takagi, T. Yokoyama and Y. Iwasawa, SPring-8 Research Frontiers 2017(2018) 72-73.  
 53  “Ambient Pressure Hard X-ray Photoelectron Spectroscopy for Functional Material Systems as Fuel Cells under Working Conditions” Y. Takagi, T. Uruga, M. Tada, Y. Iwasawa and T. Yokoyama , Acc. Chem. Res. 51 (2018) 719-727 (DOI: 10.1021/acs.accounts.7b00563).  
 52 「新しい材料の探索・創成・開発~分子・物質合成プラットフォームの紹介~」 横山利彦 金属88 (2018) 3-4 (「特集にあたって」),103-111 (「放射光軟X線磁気円二色性を用いた薄膜磁性解析」).  
 51 「XAFSの理論」横山利彦 ,「XAFSの基礎と応用」日本XAFS研究会(太田俊明・朝倉清高・阿部仁・稲田康宏・ 横山利彦)編(講談社,2017年),2章1,4,5節 p.9-22, 56-69.  
 50  “Anomalous structural behavior in the magnetic and structural transition of FeRh thin films from a local viewpoint” Y. Wakisaka, Y. Uemura, T. Yokoyama , H. Asakura, H. Morimoto, M. Tabuchi, D. Ohshima, T. Kato and S. Iwata, Photon Factory Highlights 2015(2016) 32-33.  
 49  “In situ observation of fuel cells by ambient-pressure hard X-ray photoelectron spectroscopy” Y. Takagi, T. Yokoyama and Y. Iwasawa SPring-8 Research Frontiers 2014, 64-65 (2015).  
 48 「燃料電池電極の即時観察法」高木康多横山利彦,エネルギーデバイス 2 (2015) 58-64.  
 47  “Anisotropic Thermal Expansion and Cooperative Invar/Anti-Invar Effects in MnNi Alloy” T. Yokoyama and K. Eguchi, Photon Factory Activity Report Part A: Highlights and Facility Report 2012 (2013) p.22-23.  
 46  「Invar 合金の非熱膨張特性の起源解明」横山利彦江口敬太郎,PF News 31(3) (2013) 14-18.  
 45  “Quantum Effect and Anharmonicity in an Invar Alloy Studied by EXAFS Spectroscopy” T. Yokoyama and K. Eguchi, Photon Factory Activity Report Part A: Highlights and Facility Report 2011 (2012) p.32-33.  
44   Laser induced threshold photoemission and its application to photoelectron microscope” T. Nakagawa and T. Yokoyama, J. Electron Spectrsc. Relat. Phenom. 185 (2012) 356-364.  
 43 「固体の化学と物性」阿波賀邦夫,小谷正博,横山利彦編著,大学院講義物理化学第2版III,幸田清一郎,小谷正博,染田清彦,阿波賀邦夫編(東京化学同人,2012)2, 3, 5, 6章, 7章2節著.   
 42 「光電子分光」横山利彦,錯体化学選書⑦金属錯体の機器分析(下),大塩寛紀編(三共出版,2012)17章356-391.  
41 「放射光−その磁性研究への展開」
横山利彦,まぐね(Magnetics Jpn.) 6 (2011) 240-247.
 
40 レーザー励起光電子による磁気円二色性
中川剛志横山利彦,真空 52 (2009) 589-594.
39 「レーザー光電子磁気円二色性顕微鏡」
中川剛志横山利彦,表面科学 30 (2009) 332-338.
38 「新しい原理・現象に基づく最先端表面磁性計測法(磁性特集号巻頭言)」
横山利彦,表面科学 30 (2009) 311.
37 "Magnetic Circular Dichroism for Surface and Thin Film Magnetism: Measurement Techniques and Surface Chemical Applications"
T. Yokoyama, T. Nakagawa and Y. Takagi, Int. Rev. Phys. Chem. 27 (2008) 449-505.
36 「可視・紫外レーザーによる磁性薄膜での光電子磁気二色性」
中川剛志横山利彦,日本物理学会誌 62 (2007) 522-526.
 
35 「内殻分光−元素選択性をもつX線内殻分光の歴史・理論・実験法・応用−」
太田俊明,
横山利彦編 (アイ・ピー・シー出版,2007年).1章「はじめに」p.1-5,4章「XAFS」1節「はじめに」p.79-79,2節「EXAFSと熱振動」p.80-86を分担執筆.
 
34 「X線磁気円二色性、磁気光学Kerr効果による磁性超薄膜のスピン再配列相転移」
中川剛志横山利彦,表面科学 27 (2006) 272-277.
33 "Structure of methylthiolate adsorbed on Au(111) studied by photoelectron diffraction"
H. Kondoh, M. Iwasaki, T. Shimada, K. Amemiya,
T. Yokoyama, T. Ohta, M. Shimomura and S. Kono, Photon Factory Activity Report Part A: Highlights and Facility Report 2002 (2003) p.13-14.
 
32 "A new metastable photoinduced phase of Cu(II) complexes studiesd by XAFS"
T. Yokoyama, K. Takahashi and O. Sato, Photon Factory Activity Report Part A: Highlights and Facility Report 2002 (2003) p.6-7.
 
31 「XAFSの理論」
横山利彦,「X線吸収微細構造:XAFSとその応用」太田俊明編(アイ・ピー・シー出版,2002年),2章 p.7-54.
 
30 「EXAFS」
横山利彦,「機器分析実験」梅澤喜夫編(東京化学同人,2002年),6章3節 p.169-173.
 
29 "Spin reorientation transitions of magnetic thin films induced by chemisorption of atoms and molecules"
T. Yokoyama, Photon Factory Activity Report 2001 Part A: Highlights and Facility Report (2002) p.12-13.
 
28 "Path-integral and perturbation methods to describe Debye-Waller factors observed by extended x-ray-absorption fine structure spectroscopy"
T. Yokoyama, Fluctuating Paths and Fields, Eds. W. Janke, A. Pelster, H.-J. Schmidt and M. Bachmann (World Scientific, Singapore, 2001) p.337-346.
 
27 「金属エピタキシャル薄膜に吸着した分子の構造と磁性」
横山利彦,太田俊明,表面 38 (2000) 175-182.
 
26 「EXAFSの温度依存性で見る固体の非調和熱振動:その歴史的背景と量子力学的検討」
横山利彦,放射光 13 (2000) 137-146.
 
25 "Orbital moments of oxygen atoms of CO adsorbed on Ni/Cu(001) films"
T. Yokoyama, Photon Factory Activity Report Part A: Highlights and Facility Report 1999 (2000) p.33-34.
 
24 「XAFS」「XANES」「EXAFS」「表面XANES」「表面EXAFS」
横山利彦,「半導体大事典」菅野卓雄, 川西剛監修(工業調査会,1999年)A6.2章第18-22節,p.1052-1058.
 
23 「表面のXAFS」
横山利彦,放射光 12 (1999) 51-53.
 
22 「X線定在波法」
横山利彦,Radioisotopes 47 (1998) 166-171.
21 "SO2 adsorption on monolayer Pd/Ni(111)"
T. Yokoyama, Photon Factory Activity Report 1997 Part A: Highlights and Facility Report (1998) p.31-32.
 
20 "Characterization of magnetic materials of CoFe cyanides by XAFS spectroscopy"
T. Yokoyama, Photon Factory Activity Report 1997 Part A: Highlights and Facility Report (1998) p.29-30.
 
19 「局所構造の方向依存性を捉える」
横山利彦,日本結晶学会誌 39 (1997) 26-30.
18 「軟X線吸収微細構造(XAFS)分光法による表面吸着分子の研究」
横山利彦,表面科学 18 (1997) 9-15.
17 "Application to surface structure analyses"
T. Ohta, K. Asakura and
T. Yokoyama, in Application of Synchrotron Radiation to Analytical Chemistry, eds. H. Saisho and Y. Gohshi, Series of Techniques and Instrumentation in Analytical Chemistry (Elsevier, Amsterdam, 1996) p.307-352.
 
16 "Theory and parameters of EXAFS"
T. Yokoyama, in X-ray Absorption Fine Structure (XAFS) for Catalysts and Surfaces, ed. Y. Iwasawa (World Scientific, Singapore, 1996), Chapter 2, p.8-32.
 
15 「XAFS?その原理・実験法・表面への応用」
横山利彦,放射光実験の基礎 II. VUV・SX領域のスペクトロスコピー(PF懇談会,1995年)p.100-110.
 
14

「EXAFSの原理とその応用」
横山利彦,材料構造解析の技術−その原理から応用まで(平成7年度材料科学基礎講座,日本材料科学会,1995年)p.23-34.

 
13 「NEXAFSによる表面吸着分子の構造と電子状態」
横山利彦,放射光化学の最先端(日本放射光学会,1994年)p.37-46.
 
12 "Chemical bondings of S- and Si-containing molecules with metal surfaces"
T. Ohta and
T. Yokoyama, in Unusual Valency and Property of Organic Compounds of Main Group Elements, ed. K. Akiba, (Hiroshima University, Higashi-Hiroshima, 1993) p.7-12.
 
11 「BESSYにおける軟X線吸収分光と SPring-8 への期待」
横山利彦,SR科学技術情報 3(9) (1993) 33-37.
 
10 「EXAFS」
太田俊明,
横山利彦,「結晶評価技術ハンドブック」小川智哉,高須新一郎,坂部知平編(朝倉書店,1993年)第3章第8節.
 
9 「XANES, EXAFSによる表面分析」
横山利彦,「最新 固体表面/微小領域の解析評価技術」氏平祐輔編(リアライズ社,1991年)第5章第7節,p.317-331.
 
8 「有機配向薄膜の偏光内殻吸収」
関一彦,横山利彦,太田俊明,固体物理 26 (1991) 224-233.
 
7 「放射光による触媒のキャラクタリゼーション−EXAFSを中心として」
横山利彦,表面 29 (1991) 146-155.
 
6 「有機分子性固体・高分子固体薄膜の偏光内殻吸スペクトルによる研究(2)」
関一彦,枝松邦茂,吉木昌彦,
横山利彦,太田俊明,豊田研究報告 43 (1990) 77-83.
 
5 「EXAFSとXANESによる物質の構造解析」
太田俊明,横山利彦,「シンクロトロン放射技術」富増多喜夫編(工業調査会,1990年)第16章,p.443-474.
 
4 「有機分子性固体・高分子固体薄膜の偏光内殻吸収スペクトルによる研究(1)」
関一彦,森定郁生,田中博志,枝松邦茂,横山利彦,太田俊明,豊田研究報告 42 (1989) 25-31.
 
3 「Rh/TiO2(SMSI)系のEXAFSの温度依存性」
横山利彦,小杉信博,朝倉清高,岩沢康裕,黒田晴雄,触媒 29 (1987) 110-112.
 
2 「二元系金属担持触媒へのEXAFSの応用」
横山利彦,表面科学 7 (1986) 100-105.
1 「SiO2担持Rh-Fe触媒の構造と触媒特性」
横山利彦,小杉信博,黒田晴雄,市川勝,福島貴和,W. M. H. Sachtler,触媒 28 (1986) 117-119.
 


C. Talks in international conferences    top


27 “Ambient Pressure Hard X-ray Photoelectron Spectroscopy on Polymer Electrolyte Fuel Cells under Working Conditions” T. Yokoyama, APXPS2020, Pohang Accelerator Laboratory, Korea (on line), Dec. 15-17, 2020 (invited).
26 “Ambient-Pressure Hard X-ray Photoelectron Spectroscopic Studies of Polymer Electrolyte Fuel Cells” T. Yokoyama, PCOSS Xiamen University – Institute for Molecular Science Bilateral Symposium, Xiamen University, Xiamen, People Republic China, Dec. 21-23, 2019 (invited).
25 “Thermal Expansion and Elasticity Softening of Alloys” T. Yokoyama, Invited Seminar in University of Science and Technology Beijing, Beijing, People Republic China, May 24, 2019 (invited).
24 “Novel synchrotron radiation methodology for materials science” T. Yokoyama, Japan-Korea Symposium on Molecular Science 2009 “Chemical Dynamics in Materials and Biological Molecular Sciences” (Awajishima Island, Japan, Jul. 2009)
23 “Ambient Pressure Hard X-ray Photoelectron Spectroscopy of Polymer Electrolyte Fuel Cells under Working Conditions” T. Yokoyama and Y. Takagi, New Trends in X-ray Absorption and Photoelectron Spectroscopy and Multiple Scattering Theory (MSNano) Chiba, Jul. 28, 2015 (invited).
22 “Novel Spectroscopic Methodology for Materials Science” T. Yokoyama, Soken-dai Student Seminar (Okazaki ConferenceCenter, Okazaki, Jan. 15, 2014).
21 “Novel Spectroscopic Methodology for Materials Science” T. Yokoyama, RCMS-IGER Seminar (Nagoya Univ., Nagoya, Nov.27, 2013).
20 “Anharmonicity and Quantum Effects in Thermal Expansion of Invar Alloy” T. Yokoyama, 15th Int. Conf. X-ray AbsorptionFine Structure (Beijing, China, Jul. 22-28, 2012).
19 “Anharmonicity and Quantum Effects in Thermal Expansion of an Invar Alloy” T. Yokoyama, XAFS Theory Workshop: XAFS Theory and Nano Particles (Satellite Conf. of XAFS15) (Chiba, Japan, Jul. 18-20, 2012).
18 “Anharmonicity and quantum effects in thermal expansion of an invar alloy studied by EXAFS and path-integral simulations (invited)” T. Yokoyama, Photon Factory SAC meeting (Tsukuba, Japan, Oct. 2011).
17 “Surface and Thin Film Magnetism Studied by Magnetic Circular Dichroism” T. Yokoyama, T. Nakagawa, Y. Takagi and I. Yamamoto,Japan-Korea Symposium on Molecular Science 2009 “Chemical Dynamics in Materials and Biological Molecular Sciences” (Awajishima Island, Japan, Jul. 2009)
16 “Novel magnetic nanoscope based on ultraviolet magnetic circular dichroism photoelectron emission microscopy” T. Yokoyama, Okazaki Conference 2009, From Aromatic Molecules to Graphene: Chemistry, Physics and Device Applications (Okazaki, Japan, Feb. 2009).
15 “Magnetism of Metal Thin Films and their Spectroscopic Characterization” T. Yokoyama, Sokendai Asian Winter School (Okazaki, Japan, Dec. 2008).
14 “Toward Ultrafast Magnetic Imaging Using Photoelectron Emission Microscopy with Ultraviolet Lights” T. Nakagawa and T. Yokoyama, Seminar in Max-Planck Institut (Halle, Germany, Jul. 2008).
13 “Control of magnetism of ultrathin metal films by means of surface chemical modification” T. Yokoyama, T.  Nakagawa and H. Watanabe, Post ICMM2004 Conference (Tsukuba, Japan, Nov. 2004).
12 "X-ray magnetic circular dichroism study on spin reorientation transitions of magnetic thin films induced by surface chemisorption (invited)"T. Yokoyama, 281th WE Heraeus Seminar, Spin-Orbit Interaction and Local Structure in Magnetic Systems with Reduced Dimensions (Wandlitz, Germany, 2002).
11 "Structural, thermal and magnetic properties of thin metal films and adsorbate-substrate systems studied by XAFS and XMCD (invited)"T. Yokoyama, 11th CRC International symposium Frontier of XAFS Spectroscopy and its Applications to Catalyst and Interface (Sapporo, Japan, Aug. 2000).
10 "Path-integral approach to anharmonic vibration of solids and solid surfaces (invited)"T. Yokoyama, 11th Int. Conf. X-ray Absorption Fine Structure (Ako, Japan, July 2000).
9 "Effective-potential method applied to the EXAFS Debye-Waller factors of molecules and solids (contributed)"T. Yokoyama, 6th Int. Conf. Path Integral. (Florence, Italy, Aug. 1998).
8 "Path-integral effective-potential theory for EXAFS cumulants compared to the second-order perturbation (contributed)" T. Yokoyama, 10th Int. Conf. X-ray Absorption Fine Structure (Chicago, U.S.A., Aug. 1998).
7 "Disorder and anharmonicity in EXAFS of molecules and solids (invited)" T. Yokoyama, International Symposium on X-ray Absorption Spectroscopy (Tamsui, Taiwan, Aug. 1997)
6 "EXAFS cumulants and interatomic potential (special contributed)" T. Yokoyama, Y. Yonamoto, K. Kobayashi and T. Ohta, 9th Int. Conf. X-ray Absorption Fine Structure (Grenoble, France, Aug. 1996).
5 "Surface structures of S-containing molecules on metal single crystals studied by XAFS spectroscopy (invited)"T. Yokoyama, PACIFICHEM95-Symposium on chemical applications of synchrotron radiation (Honolulu, U.S.A., Dec. 1995).
4 "Adsorption of SO2 on Ni(100) and Ni(111) surfaces (contributed)"T. Yokoyama, S. Terada, A. Imanishi, Y. Kitajima, N. Kosugi and T. Ohta, 11th Int. Conf. Vacuum Ultraviolet Radiation Physics (Tokyo, Japan, Aug. 1995).
3 "The structural and dynamical properties of molecularly adsorbed O2 on Cu(100) (contributed)"T. Yokoyama, D. Arvanitis, T. Lederer, G. Comelli, M. Tischer, L. Troeger and K. Baberschke, 4th Int. Conf. Structure of Surfaces (Shang-hai, P. R. China, Aug. 1993).
2 "Soft x-ray standing-wave method applied to S and Cl adsorbed on Ni crystal surfaces (invited)"T. Yokoyama, 15th Congress and General Assembly of International Union of Crystallography (Bordeaux, France, Jul. 1990).
1 "Study of surface EXAFS and X-ray standing-wave absorption profiles for p(2× 2)S/Ni(111) (invited)"T. Yokoyama, M. Funabashi, Y. Kitajima, T. Ohta and H. Kuroda, 5th Int. Conf. X-ray Absorption Fine Structure (Seattle, U.S.A., Aug. 1988).