Matsumura Daiju

J-GLOBAL         Last updated: Dec 5, 2018 at 15:20
 
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Name
Matsumura Daiju
Nickname
daiju111
E-mail
daijuspring8.or.jp
Affiliation
Japan Atomic Energy Agency
Research funding number
30425566
ORCID ID
0000-0002-4683-4495

Published Papers

 
Kenta Kakitani, Kenta Kakitani, Tetsuya Kimata, Tetsuya Kimata, Tetsuya Yamaki, Shunya Yamamoto, Daiju Matsumura, Tomitsugu Taguchi, Takayuki Terai, Takayuki Terai
Radiation Physics and Chemistry   153 152-155   Dec 2018
© 2018 Elsevier Ltd The chemical state and local structure of 2.6-nm-sized platinum (Pt) nanoparticles on an ion-irradiated glassy carbon (GC) substrate were investigated by X-ray absorption fine structure measurements. The partial oxidation of th...
S. Li, M. Toyoda, Y. Kobayashi, M. Itoh, K. Ikeuchi, Y. Yoneda, A. Otani, D. Matsumura, S. Asano, J. Mizuki, M. Sato
Physica C: Superconductivity and its Applications   555 45   Dec 2018   [Refereed]
Kishi H, Sakamoto T, Asazawa K, Yamaguchi S, Kato T, Zulevi B, Serov A, Artyushkova K, Atanassov P, Matsumura D, Tamura K, Nishihata Y, Tanaka H
Nanomaterials (Basel, Switzerland)   8(12)    Nov 2018   [Refereed]
S. Asano, S. Asano, K. M. Suzuki, D. Matsumura, K. Ishii, T. Ina, M. Fujita
Journal of Physics: Conference Series   969    Apr 2018
© Published under licence by IOP Publishing Ltd. Reduction and oxidation annealing effects on the electronic states around the copper sites for Pr2-xCexCuO4and Nd2-xCexCuO4with x = 0 and x = 0.15 were investigated by Cu K-edge x-ray absorption mea...
Cui YT, Harada Y, Niwa H, Hatanaka T, Nakamura N, Ando M, Yoshida T, Ishii K, Matsumura D, Oji H, Ofuchi H, Oshima M
Scientific reports   7(1) 1482   May 2017   [Refereed]
Asano Shun, Ishii Kenji, Matsumura Daiju, Tsuji Takuya, Ina Toshiaki, Suzuki Kensuke M., Fujita Masaki
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   87(9)    Sep 2018   [Refereed]
Kusano Shogo, Matsumura Daiju, Asazawa Koichiro, Kishi Hirofumi, Sakamoto Tomokazu, Yamaguchi Susumu, Tanaka Hirohisa, Mizuki Jun'ichiro
JOURNAL OF ELECTRONIC MATERIALS   46(6) 3634-3638   Jun 2017   [Refereed]
Zhao Li, Zhao Li, Teng He, Daiju Matsumura, Shu Miao, Anan Wu, Lin Liu, Guotao Wu, Ping Chen, Ping Chen
ACS Catalysis   7 6762-6769   Jan 2017
© 2017 American Chemical Society. The development of cost-effective and highly efficient catalysts is of scientific importance and practical need in the conversion and utilization of clean energy. One of the strategies fulfilling that demand is to...
Lang R, Li T, Matsumura D, Miao S, Ren Y, Cui YT, Tan Y, Qiao B, Li L, Wang A, Wang X, Zhang T
Angewandte Chemie (International ed. in English)   55(52) 16054-16058   Dec 2016   [Refereed]
Sekine Y, Motokawa R, Kozai N, Ohnuki T, Matsumura D, Tsuji T, Kawasaki R, Akiyoshi K
Scientific reports   7(1) 2064   May 2017   [Refereed]
Wang Heng, Isobe Jin, Matsumura Daiju, Yoshikawa Hirofumi
JOURNAL OF SOLID STATE ELECTROCHEMISTRY   22(7) 2067-2071   Jul 2018   [Refereed]
S. Torigoe, Y. Ishimoto, Y. Aoishi, H. Murakawa, D. Matsumura, K. Yoshii, Y. Yoneda, Y. Nishihata, K. Kodama, K. Tomiyasu, K. Ikeda, H. Nakao, Y. Nogami, N. Ikeda, T. Otomo, N. Hanasaki
Physical Review B   93    Feb 2016
© 2016 American Physical Society. We observed all-in type Nb tetrahedral displacement in nonmagnetic pyrochlore niobates A2Nb2O7(A=Nd0.5Ca0.5 and Y0.5Ca0.5) through the analysis of the neutron pair distribution function and the extended x-ray abso...
Awual MR, Yaita T, Miyazaki Y, Matsumura D, Shiwaku H, Taguchi T
Scientific reports   6 19937   Jan 2016   [Refereed]
Shimizu Takeshi, Wang Heng, Tanifuji Naoki, Matsumura Daiju, Yoshimura Masashi, Nakanishi Koji, Ohta Toshiaki, Yoshikawa Hirofumi
CHEMISTRY LETTERS   47(5) 678-681   May 2018   [Refereed]
Motokura Ken, Fukuda Takuma, Uemura Yohei, Matsumura Daiju, Ikeda Marika, Nambo Masayuki, Chun Wang-Jae
CATALYSTS   8(3)    Mar 2018   [Refereed]
Yoshigoe Akitaka, Shiwaku Hideaki, Kobayashi Toru, Shimoyama Iwao, Matsumura Daiju, Tsuji Takuya, Nishihata Yasuo, Kogure Toshihiro, Ohkochi Takuo, Yasui Akira, Yaita Tsuyoshi
APPLIED PHYSICS LETTERS   112(2)    Jan 2018   [Refereed]
Li Zhao, He Teng, Matsumura Daiju, Miao Shu, Wu Anan, Liu Lin, Wu Guotao, Chen Ping
ACS CATALYSIS   7(10) 6762-6769   Oct 2017   [Refereed]
Wang Heng, Isobe Jin, Shimizu Takeshi, Matsumura Daiju, Ina Toshiaki, Yoshikawa Hirofumi
JOURNAL OF POWER SOURCES   360 150-156   Aug 2017   [Refereed]
Itoi Hiroyuki, Nishihara Hirotomo, Kobayashi Syunsuke, Ittisanronnachai Somlak, Ishii Takafumi, Berenguer Raul, Ito Masashi, Matsumura Daiju, Kyotani Takashi
JOURNAL OF PHYSICAL CHEMISTRY C   121(14) 7892-7902   Apr 2017   [Refereed]
Matsumura Daiju, Taniguchi Masashi, Tanaka Hirohisa, Nishihata Yasuo
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY   42(11) 7749-7754   Mar 2017   [Refereed]
Sakamoto Tomokazu, Masuda Teruyuki, Yoshimoto Koji, Kishi Hirofumi, Yamaguchi Susumu, Matsumura Daiju, Tamura Kazuhisa, Hori Akihiro, Horiuchi Yousuke, Serov Alexey, Artyushkova Kateryna, Atanassov Plamen, Tanaka Hirohisa
JOURNAL OF THE ELECTROCHEMICAL SOCIETY   164(4) F229-F234   2017   [Refereed]
Matsumura Daiju, Nishihata Yasuo, Okajima Yuka
E-JOURNAL OF SURFACE SCIENCE AND NANOTECHNOLOGY   14 48-52   Feb 2016   [Refereed]
D. Matsumura, Y. Okajima, Y. Nishihata
Journal of Physics: Conference Series   712    Jan 2016
We have studied surface structural change of supported Pd metal nanoparticles caused by CO adsorption and following temperature increase by using in situ and time-resolved X- ray absorption fine structure technique with dispersive optics. CO adsor...
Sakamoto Tomokazu, Kishi Hirofumi, Yamaguchi Susumu, Matsumura Daiju, Tamura Kazuhisa, Hori Akihiro, Horiuchi Yousuke, Serov Alexey, Artyushkova Kateryna, Atanassov Plamen, Tanaka Hirohisa
JOURNAL OF THE ELECTROCHEMICAL SOCIETY   163(10) H951-H957   2016   [Refereed]
Cui Yitao, Harada Yoshihisa, Hatanaka Tatsuya, Nakamura Naoki, Ando Masaki, Yoshida Toshihiko, Ikenaga Eiji, Ishii Kenji, Matsumura Daiju, Li Rui, Oshima Masaharu
JOINT GENERAL SESSION: BATTERIES AND ENERGY STORAGE -AND- FUEL CELLS, ELECTROLYTES, AND ENERGY CONVERSION   72(8) 131-136   2016   [Refereed]
Sakamoto Tomokazu, Matsumura Daiju, Asazawa Koichiro, Martinez Ulises, Serov Alexey, Artyushkova Kateryna, Atanassov Plamen, Tamura Kazuhisa, Nishihata Yasuo, Tanaka Hirohisa
ELECTROCHIMICA ACTA   163 116-122   May 2015   [Refereed]
Jarrige Ignace, Ishii Kenji, Matsumura Daiju, Nishihata Yasuo, Yoshida Masahiro, Kishi Hirofumi, Taniguchi Masashi, Uenishi Mari, Tanaka Hirohisa, Kasai Hideaki, Mizuki Jun'ichiro
ACS CATALYSIS   5(2) 1112-1118   Feb 2015   [Refereed]
Yu Kamiji, Daiju Matsumura, Masashi Taniguchi, Yasuo Nishihata, Hirohisa Tanaka, Shingo Hirata, Mikiya Hara, Ryutaro Hino
International Conference on Nuclear Engineering, Proceedings, ICONE   2015-January    Jan 2015
Copyright © 2015 by JSME. In a severe accident at a nuclear power plant, a large amount of hydrogen can be released to primary containment vessel or reactor building. Passive autocatalytic recombiner (PAR) is one of the most effective systems for ...
Yoshii Kenji, Funae Takashi, Mizumaki Masaichiro, Ejiri Hiroki, Ikeda Naoshi, Saitoh Hiroyuki, Matsumura Daiju
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 12, NO 6   12(6) 841-844   2015   [Refereed]
Asazawa Koichiro, Kishi Hirofumi, Tanaka Hirohisa, Matsumura Daiju, Tamura Kazuhisa, Nishihata Yasuo, Saputro Adhitya Gandaryus, Nakanishi Hiroshi, Kasai Hideaki, Artyushkova Kateryna, Atanassov Plamen
JOURNAL OF PHYSICAL CHEMISTRY C   118(44) 25480-25486   Nov 2014   [Refereed]
Yoshii Kenji, Matsumura Daiju, Saitoh Hiroyuki, Kambe Takashi, Fukunaga Mamoru, Muraoka Yuji, Ikeda Naoshi, Mori Shigeo
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   83(6)    Jun 2014   [Refereed]
Sakamoto Tomokazu, Asazawa Koichiro, Martinez Ulises, Halevi Barr, Suzuki Toshiyuki, Arai Shigeo, Matsumura Daiju, Nishihata Yasuo, Atanassov Plamen, Tanaka Hirohisa
JOURNAL OF POWER SOURCES   234 252-259   Jul 2013   [Refereed]
D. Matsumura, Y. Okajima, Y. Okajima, Y. Nishihata, J. Mizuki, J. Mizuki
Journal of Physics: Conference Series   430    Jan 2013
Observation of X-ray absorption fine structure (XAFS) spectroscopy with dispersive optics is attractive application for the study of chemical reaction from a viewpoint of real-time-resolved structural change. We have constructed dispersive optics ...
K. Yoshii, M. Mizumaki, K. Matsumoto, S. Mori, N. Endo, H. Saitoh, D. Matsumura, T. Kambe, N. Ikeda
Journal of Physics: Conference Series   428    Jan 2013
We have investigated the magnetic properties of a single crystal of multiferroic YbFe2O4. Ferrimagnetic ordering of Fe spins is observed at ∼250 K. The magnetization measured during field cooling becomes negative below ∼10 K owing to the antiparal...
Okawa Yukihisa, Masuda Takuya, Uehara Hiromitsu, Matsumura Daiju, Tamura Kazuhisa, Nishihata Yasuo, Uosaki Kohei
RSC ADVANCES   3(35) 15094-15101   2013   [Refereed]
Li Hai-Wen, Matsumura Daiju, Nishihata Yasuo, Akiba Etsuo, Orimo Shin-ichi
JOURNAL OF THE JAPAN INSTITUTE OF METALS   77(12) 627-630   2013   [Refereed]
Yoshii Kenji, Jarrige Ignace, Suzuki Chikashi, Matsumura Daiju, Nishihata Yasuo, Yoneda Yasuhiro, Fukuda Tatsuo, Tamura Kazuhisa, Ito Yoshiaki, Mukoyama Takeshi, Tochio Tatsunori, Shinotsuka Hiroshi, Fukushima Sei
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   73(9) 1106-1110   Sep 2012   [Refereed]
Masuda Takuya, Fukumitsu Hitoshi, Fugane Keisuke, Togasaki Hirotaka, Matsumura Daiju, Tamura Kazuhisa, Nishihata Yasuo, Yoshikawa Hideki, Kobayashi Keisuke, Mori Toshiyuki, Uosaki Kohei
JOURNAL OF PHYSICAL CHEMISTRY C   116(18) 10098-10102   May 2012   [Refereed]
Harada Momoko, Fukuoka Hiroshi, Matsumura Daiju, Inumaru Kei
JOURNAL OF PHYSICAL CHEMISTRY C   116(3) 2153-2158   Jan 2012   [Refereed]
Matsuo Motoaki, Matsumura Daiju, Nishihata Yasuo, Li Guanqiao, Hiyama Nao, Semboshi Satoshi, Orimo Shin-ichi
APPLIED PHYSICS LETTERS   100(4)    Jan 2012   [Refereed]
Matsumura Daiju, Okajima Yuka, Nishihata Yasuo, Mizuki Jun'ichiro
JOURNAL OF ALLOYS AND COMPOUNDS   509 S849-S852   Sep 2011   [Refereed]
Yoshii Kenji, Jarrige Ignace, Matsumura Daiju, Nishihata Yasuo, Suzuki Chikashi, Ito Yoshiaki, Mukoyama Takeshi, Tochio Tatsunori, Shinotsuka Hiroshi, Fukushima Sei
JAPANESE JOURNAL OF APPLIED PHYSICS   50(9)    Sep 2011   [Refereed]
Matsumura Daiju, Ohyama Takahiro, Okajima Yuka, Nishihata Yasuo, Li Hai-Wen, Orimo Shin-ichi
MATERIALS TRANSACTIONS   52(4) 635-640   Apr 2011   [Refereed]
S. Torigoe, Y. Ishimoto, N. Hanasaki, Y. Nogami, D. Matsumura, K. Yoshii, Y. Yoneda, Y. Nishihata
Journal of Physics: Conference Series   320    Jan 2011
The X-ray absorption spectra reveal that the valence of the Nb ion, and the displacement of the Nb ions from the center of the oxygen octahedra in the pyrochlore niobates YCaNb2O7 and NdCaNb2O 7, which is consistent with the previous report of the...
Daiju Matsumura, Yuka Okajima, Yasuo Nishihata, Jun'ichiro Mizuki
Materials Research Society Symposium Proceedings   1262 121-126   Dec 2010
Dynamic local structural change of Pd nanoparticles on alumina surface during hydrogen absorption process was directly observed by x-ray absorption fine structure spectroscopy with dispersive mode. Main four parameters of x-ray absorption spectros...
Matsumura Daiju, Nishihata Yasuo, Mizuki Jun'ichiro, Taniguchi Masashi, Uenishi Mari, Tanaka Hirohisa
JOURNAL OF APPLIED PHYSICS   107(12)    Jun 2010   [Refereed]
H. Hiraka, S. Wakimoto, M. Takeda, K. Kakurai, D. Matsumura, Y. Nishihata, J. Mizuki, K. Yamada
Journal of Physics: Conference Series   200    Jan 2010
We studied Fe-dopant effects on spin correlations in Bi 1.75Pb0.35Sr1.90CuO6+δ′. Magnetic neutron elastic scattering, which is absent in a pristine sample, has been observed at incommensurate positions with an incommensurability of δ∼0.2. Surprisi...
Asazawa Koichiro, Yamamoto Kazuya, Yamada Koji, Tanaka Hirohisa, Matsumura Daiju, Tamura Kazuhisa, Nishihata Yasuo, Atanassov Plamen
POLYMER ELECTROLYTE FUEL CELLS 10, PTS 1 AND 2   33(1) 1751-+   2010   [Refereed]
N. Katayama, N. Katayama, M. Uchida, D. Hashizume, S. Niitaka, J. Matsuno, D. Matsumura, Y. Nishihata, J. Mizuki, N. Takeshita, A. Gauzzi, A. Gauzzi, M. Nohara, M. Nohara, H. Takagi, H. Takagi, H. Takagi
Physical Review Letters   103    Oct 2009
We investigate LiVS2 and LiVSe2 with a triangular lattice as itinerant analogues of LiVO2 known for the formation of a valence-bond solid (VBS) state out of an S=1 frustrated magnet. LiVS2, which is located at the border between a metal and a corr...
J. Miyawaki, J. Miyawaki, D. Matsumura, D. Matsumura, H. Abe, H. Abe, T. Ohtsuki, E. Sakai, K. Amemiya, K. Amemiya, T. Ohta
Physical Review B - Condensed Matter and Materials Physics   80    Aug 2009
Atomic structure and magnetic anisotropy of Ru/Co/Ru(0001) were studied by CoK -edge extended x-ray absorption fine structure and Co LIII,II -edge x-ray magnetic circular dichroism. The Co/Ru(0001) films exhibit in-plane magnetization in a thickne...
J. Matsuno, K. Takenaka, K. Takenaka, H. Takagi, H. Takagi, D. Matsumura, Y. Nishihata, J. Mizuki
Applied Physics Letters   94    May 2009
Local structure analysis of Cu and Ge atoms in the negative thermal expansion material Mn3Cu0.7Ge0.3N was conducted using x-ray absorption fine structure measurements. The temperature dependence of the interatomic distance was found to reflect the...
H. Hiraka, D. Matsumura, Y. Nishihata, J. Mizuki, K. Yamada
Physical Review Letters   102    Jan 2009
Local distortions around a Ni dopant in the hole-type La2-xSrxCuO4 superconductor system were studied by x-ray-absorption fine structure (XAFS) using single crystals over a wide hole-doping range. Two distinct interatomic distances between Ni and ...
D. Matsumura, Y. Okajima, Y. Nishihata, J. Mizuki, M. Taniguchi, M. Uenishi, H. Tanaka
Journal of Physics: Conference Series   190    Jan 2009
The local structure of Pd metal fine particles on LaFeO3 which has a high catalytic activity was observed by dispersive XAFS optics from the viewpoint of dynamical structure change of Pd during oxide-metal change and CO/NO catalytic reaction. The ...
Hirotaka Ohno, Daiju Matsumura, Yasuo Nishihata, Jun'ichiro Mizuki, Norito Ishikawa, Takeshi Sonoda, Motoyasu Kinoshita, Akihiro Iwase
Materials Research Society Symposium Proceedings   1043 179-183   Dec 2008
CeO2 thin films were irradiated with 200MeV Xe ions. Effects of the irradiation were studied by using Extended X-ray Absorption Fine Structure (EXAFS) measurement at SPring8 synchrotron radiation facility. EXAFS spectra for the irradiated thin fil...
H. Hiraka, S. Wakimoto, M. Matsuda, D. Matsumura, Y. Nishihata, J. Mizuki, K. Yamada
Journal of Physics and Chemistry of Solids   69 3136-3138   Dec 2008
Neutron scattering experiments using La2 - x Srx Cu1 - y Niy O4 clarified that the parallel spin-density modulations (SDMs) in the superconducting phase are susceptible to Ni, in the same way as the diagonal SDMs in the insulating spin-glass phase...
Hitoshi Abe, Kenta Amemiya, Kenta Amemiya, Jun Miyawaki, Erika O. Sako, Masako Sakamaki, Daiju Matsumura, Takumi Ohtsuki, Enju Sakai, Toshiaki Ohta
e-Journal of Surface Science and Nanotechnology   6 233-236   Nov 2008
Effects of CO adsorption on the magnetic properties of Fe films on Cu(001) were studied at 100 K as a function of the film thickness. CO adsorption does not affect the magnetic property of 2 ML Fe film but induces the spin reorientation transition...
H. Ohno, A. Iwase, D. Matsumura, Y. Nishihata, J. Mizuki, N. Ishikawa, Y. Baba, N. Hirao, T. Sonoda, M. Kinoshita
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   266 3013-3017   Jun 2008
In order to simulate the effects of high energy fission products on high-burnup UO2 nuclear fuel pellets, CeO2 thin films and bulk specimens were irradiated with 200 MeV Xe ions. Effects of the irradiation were studied by using Extended X-ray Abso...
Matsumura Daiju, Nakagawa Takeshi, Watanabe Hirokazu, Abe Hitoshi, Arnemiya Kenta, Ohta Toshiaki, Yokoyama Toshihiko
SURFACE SCIENCE   602(11) 1999-2003   Jun 2008   [Refereed]
Nakatsuji Kan, Yoshimoto Yoshihide, Sekiba Daiichiro, Doi Shunsuke, Iimori Takushi, Yagyu Kazuma, Takagi Yasumasa, Ohno Shin-ya, Miyaoka Hideharu, Yamada Masamichi, Komori Fumio, Amemiya Kenta, Matsumura Daiju, Ohta Toshiaki
PHYSICAL REVIEW B   77(23)    Jun 2008   [Refereed]
H. Abe, K. Amemiya, D. Matsumura, J. Miyawaki, E. O. Sako, T. Ohtsuki, E. Sakai, T. Ohta
Physical Review B - Condensed Matter and Materials Physics   77    Feb 2008
Effects of CO adsorption on the magnetic properties of Fe films on Cu(001) were studied at 100 K as a function of the film thickness. CO adsorption does not affect the magnetic property of 2 ML Fe film but induces the spin reorientation from out-o...
S. S. Ashtaputre, A. Nojima, S. K. Marathe, D. Matsumura, T. Ohta, R. Tiwari, G. K. Dey, S. K. Kulkarni, S. K. Kulkarni
Journal of Physics D: Applied Physics   41    Jan 2008
Europium doped zinc oxide nanoparticles have been synthesized using a chemical route. The amount of doped europium was varied which shows the changes in the photoluminescence (PL) intensity. The post synthesis annealing effect on the properties of...
Kobune Masafumi, Fukushima Koji, Yamaji Toru, Tada Hideto, Yazawa Tetsuo, Fujisawa Hironori, Shimizu Masaru, Nishihata Yasuo, Matsumura Daiju, Mizuki Jun'ichiro, Yamaguchi Hideshi, Kotaka Yasutoshi, Honda Koichiro
JOURNAL OF APPLIED PHYSICS   101(7)    Apr 2007   [Refereed]
J. Miyawaki, D. Matsumura, H. Abe, T. Otsuki, E. Sakai, K. Amemiya, T. Ohta
AIP Conference Proceedings   882 505-507   Mar 2007
The magnetic anisotropy of the Co thin films on Ru(0001) and the effect of the Ru capping were studied by Co LIII,II-edge x-ray magnetic circular dichroism (XMCD). As-deposited Co films show only surface parallel magnetization in the whole thickne...
J. Miyawaki, D. Matsumura, A. Nojima, T. Yokoyama, T. Yokoyama, T. Ohta, T. Ohta
Surface Science   601 95-103   Jan 2007
The structure of the Co thin films on Pd(1 1 1) and the effect of the CO adsorption on Co thin films were studied by Co K-edge surface X-ray absorption fine structure (XAFS). The polarization dependences of the X-ray absorption near edge structure...
Okajima Yuka, Matsumura Daiju, Nishihata Yasuo, Konishi Hiroyuki, Mizuki Jun'ichiro
SYNCHROTRON RADIATION INSTRUMENTATION, PTS 1 AND 2   879 1234-+   2007   [Refereed]
Abe Hitoshi, Amemiya Kenta, Matsumura Daiju, Ohtsuki Takumi, Sakai Enju, Yokoyama Toshihiko, Ohta Toshiaki
X-RAY ABSORPTION FINE STRUCTURE-XAFS13   882 384-+   2007   [Refereed]
Hitoshi Abe, Kenta Amemiya, Daiju Matsumura, Soichiro Kitagawa, Hirokazu Watanabe, Toshihiko Yokoyama, Toshiaki Ohta
Journal of Magnetism and Magnetic Materials   302 86-95   Jul 2006
The spin reorientation transition (SRT) of Ni/Cu(001) induced by Fe deposition was investigated using the X-ray magnetic circular dichroism (XMCD) method. In-plane magnetized Ni films (≤9ML) undergo the SRT twice; first, a small amount (<1ML) of F...
Daiju Matsumura, Daiju Matsumura, Kenta Amemiya, Soichiro Kitagawa, Toru Shimada, Hitoshi Abe, Toshiaki Ohta, Hirokazu Watanabe, Toshihiko Yokoyama
Physical Review B - Condensed Matter and Materials Physics   73    May 2006
The CO surface structures on CoPd(111) magnetic thin film and the chemisorption-driven spin reorientation transition have been studied by soft x-ray spectroscopies. C 1s photoelectron diffraction for COCoPd(111) revealed that CO is adsorbed both o...
D. Matsumura, T. Yokoyama, K. Amemiya, S. Kitagawa, T. Ohta
Physica Scripta T   T115 583-585   Dec 2005
The effect of CO adsorption on the magnetic easy axis of Co/Pd(111) magnetic thin films has been studied by C 1s x-ray photoelectron spectroscopy (XPS) and Co L-edge x-ray magnetic circular dichroism (XMCD) in absorption spectroscopy. We found by ...
K. Amemiya, S. Kitagawa, T. Yokoyama, D. Matsumura, H. Abe, H. Watanabe, T. Ohta
Physica Scripta T   T115 1035-1037   Dec 2005
We have established a high-precision depth-resolved x-ray magnetic circular dichroism (XMCD) technique, in which the probing depth of the partial electron yield XMCD spectra is controlled by changing the detection angle of the emitted electrons. T...
Kenta Amemiya, Enju Sakai, Daiju Matsumura, Hitoshi Abe, Toshiaki Ohta
Physical Review B - Condensed Matter and Materials Physics   72    Nov 2005
The behavior of satellite features appearing in the Ni L-edge x-ray absorption spectrum has been investigated for Cu-capped Ni films on Cu(100) by extracting the interface component of the absorption spectrum. By comparing the results with the sur...
K. Amemiya, D. Matsumura, H. Abe, S. Kitagawa, T. Yokoyama, T. Ohta
Journal of Electron Spectroscopy and Related Phenomena   144-147 689-693   Jun 2005
Surface and interface magnetization of Fe/Ni/Cu(1 0 0) thin films was observed with the probing depth-dependent X-ray magnetic circular dichroism technique, in which the probing depth is controlled by changing the electron detection angle. An osci...
Kenta Amemiya, Enju Sakai, Daiju Matsumura, Hitoshi Abe, Toshiaki Ohta, Toshihiko Yokoyama
Physical Review B - Condensed Matter and Materials Physics   71    Jun 2005
The spin-reorientation transition of Ni Cu(100) and CO Ni Cu(100) films was investigated with the depth-resolved x-ray magnetic circular dichroism (XMCD) technique. The XMCD spectra from the surface and inner layers were separately extracted. As f...
Kenta Amemiya, Daiju Matsumura, Hitoshi Abe, Soichiro Kitagawa, Toshiaki Ohta, Toshihiko Yokoyama
Physical Review B - Condensed Matter and Materials Physics   70 1-6   Nov 2004
The surface and interface magnetic structures of Fe thin films (4-11 ML) grown on a 6 ML Ni/Cu(100) film have been directly investigated with the depth-resolved x-ray magnetic circular dichroism technique. An oscillatory behavior in the Fe surface...
K. Amemiya, S. Kitagawa, D. Matsumura, H. Abe, T. Ohta, T. Yokoyama
Applied Physics Letters   84 936-938   Feb 2004
The depth-resolved XMCD was developed. Magnetically live surface layers were unambiguously revealed with this technique. Combination of this technique with the conventional thickness dependent measurement might be promising for the detailed analys...
Okamoto K, Miyawaki J, Nagai K, Matsumura D, Nojima A, Yokoyama T, Kondoh H, Ohta T
Inorganic chemistry   42(26) 8682-8689   Dec 2003   [Refereed]
Akio Nakamoto, Yuuki Ono, Norimichi Kojima, Daiju Matsumura, Toshihiko Yokoyama
Chemistry Letters   32 476   May 2003
Akio Nakamoto, Yuuki Ono, Norimichi Kojima, Daiju Matsumura, Toshihiko Yokoyama
Chemistry Letters   32 336-337   Apr 2003
We have synthesized [FeII(H-trz)3]n complex film by using ion-exchange resin(Nafion) as counter anion, and have found the spin crossover phenomenon about at 260 K. Moreover, we have proved the existence of straight one-dimensional Fe chain structu...
A. Nakamoto, Y. Ono, N. Kojima, D. Matsumura, T. Yokoyama, X. J. Liu, Y. Moritomo
Synthetic Metals   137 1219-1220   Apr 2003
We have synthesized the [Fe(II)(Htrz)3] complex film by using ion-exchange film (Nation) as counter anion. From the analysis of Fe K-edge EXAFS spectra, we could prove the existence of one-dimensional Fe chain structure, [Fe(II)(Htrz)3]n on Nafion...
Kenta Amemiya, Soichiro Kitagawa, Daiju Matsumura, Toshihiko Yokoyama, Toshiaki Ohta
Journal of Physics Condensed Matter   15    Feb 2003
A depth-resolved technique is applied in the x-ray magnetic circular dichroism (XMCD) method by controlling the probing depth of the electron yield XMCD spectra. The usefulness of this technique is demonstrated for the study of magnetic structures...
Toshihiko Yokoyama, Daiju Matsumura, Kenta Amemiya, Soichiro Kitagawa, Norihiro Suzuki, Toshiaki Ohta
Journal of Physics Condensed Matter   15    Feb 2003
Spin reorientation transitions (SRTs) of ultrathin Co/Pd(111) films induced by adsorption of atoms and molecules have been investigated by means of Co LIII,II-edge x-ray magnetic circular dichroism (XMCD). We have examined CO, NO, O and H as chemi...
Daiju Matsumura, Toshihiko Yokoyama, Kenta Amemiya, Soichiro Kitagawa, Toshiaki Ohta
Physical Review B - Condensed Matter and Materials Physics   66 244021-244026   Jul 2002
Spin reorientation transitions of Co and Ni thin films induced by surface chemisorption have been investigated for CO-adsorbed Co/Pd(lll) and CO- and H-adsorbed Ni/Cu(001) by means of Co LIII.II- and Ni LIII.II-edge x-ray magnetic circular dichroi...
Yoshiki Yonamoto, Toshihiko Yokoyama, Kenta Amemiya, Daiju Matsumura, Soichiro Kitagawa, Yasuhiro Hamada, Tsuneharu Koide, Toshiaki Ohta
Journal of the Physical Society of Japan   71 607-612   Feb 2002
N K-, O K- and Co LIII,II-edge X-ray magnetic circular dichroism (XMCD) was investigated for NO adsorbed on ultrathin fcc-Co(001) films which show both in-planar and perpendicular magnetic anisotropies. Large suppression of spin and orbital magnet...
Daiju Matsumura, Toshihiko Yokoyama, Kenta Amemiya, Soichiro Kitagawa, Toshiaki Ohta
Physical Review B - Condensed Matter and Materials Physics   66 1-6   Jan 2002
Spin reorientation transitions of Co and Ni thin films induced by surface chemisorption have been investigated for CO-adsorbed Co/Pd(111) and CO- and H-adsorbed Ni/Cu(001) by means of Co (formula presented)- and Ni (formula presented)-edge x-ray m...
Koichi Kikuchi, Koichi Sakaguchi, Ozawa Norio, Takeshi Kodama, Hiroyuki Nishikawa, Isao Ikemoto, Kenji Kohdate, Daiju Matsumura, Toshihiko Yokoyama, Toshiaki Ohta
AIP Conference Proceedings   590 473-476   Oct 2001
© 2001 American Institute of Physics. The Tm LIII-edge XANES spectra were examined on Tm@C82(I), Tm@C82(III) and Tm@C82(I). The absorption edge of Tm@C82is observed almost at the same position of Tm2O3, but those of Tm@C82and Tm@C84shifted about 7...
T. Yokoyama, K. Amemiya, Y. Yonamoto, D. Matsumura, T. Ohta
Journal of Electron Spectroscopy and Related Phenomena   119 207-214   Aug 2001
We observed O K-edge X-ray magnetic circular dichroism (XMCD) of molecular CO adsorbed on Co and Ni epitaxial films grown on a Cu(001) substrate. The films examined are 6 ML Ni, thick (>100 ML) Ni, 4 ML fcc Co which show in-plane magnetic anisotro...
Yoshiki Yonamoto, Toshihiko Yokoyama, Kenta Amemiya, Daiju Matsumura, Toshiaki Ohta
Physical Review B - Condensed Matter and Materials Physics   63    May 2001
The electronic and magnetic structures of a Mn ultrathin film grown on a 3-ML (monolayer) Co film have been investigated during stepwise oxidation by means of O K-, Mn LIII, II−, and Co LIII, II−edge x-ray-absorption spectroscopy and Mn LIII, II−,...
S. Toyazaki, M. Nakanishi, T. Komatsu, N. Kojima, D. Matsumura, T. Yokoyama
Synthetic Metals   121 1794-1795   Mar 2001
We have investigated the spin-crossover behavior of the triazole-bridged one-dimensional Fe(II) complexes, [Fe(4-NH2trz)3](o-, m-, p-NH2C6H4 SO3)2·2H20 by means of Fe K-edge EXAFS and magnetic susceptibility measurements. In this system, the trans...
Toshihiko Yokoyama, Kaoru Okamoto, Daiju Matsumura, Toshiaki Ohta, Shin Ichi Ohkoshi, Kazuhito Hashimoto
Journal of Synchrotron Radiation   8 913-915   Mar 2001
Local structure of a photo- or x-ray-induced ferrimagnet Cs0.8Co1.3 [W(CN)8](3-cyanopyridine)1.9·2.1H2O was investigated by means of Co K- and W L-edge XAFS spectroscopy. The Co K-edge XANES spectra provide quantitative information on the ratio of...
Kenta Amemiya, Toshihiko Yokoyama, Yoshiki Yonamoto, Daiju Matsumura, Toshiaki Ohta
Physical Review B - Condensed Matter and Materials Physics   64    Jan 2001
We observed O K-edge x-ray magnetic circular dichroism (XMCD) of atomic O adsorbed on a fcc Co thin film grown epitaxially on Cu(100). The XMCD of (formula presented) showed a negative sign at the (formula presented) transition. The negative sign ...
O. Endo, D. Matsumura, K. Kohdate, M. Kiguchi, T. Yokoyama, T. Ohta
Journal of Electroanalytical Chemistry   494 121-126   Dec 2000
The structures of adsorbed bromine on the Ag(111) electrode at different applied potentials have been studied by in situ X-ray absorption fine structure (XAFS) spectroscopy. The bromine coverage was estimated by the Br K-edge jump height as a func...
T. Yokoyama, K. Amemiya, M. Miyachi, Y. Yonamoto, D. Matsumura, T. Ohta
Physical Review B - Condensed Matter and Materials Physics   62 14191-14196   Dec 2000
O K-edge x-ray magnetic circular dichroism (XMCD) was investigated for molecular CO adsorbed on Ni thin films grown epitaxially on Cu(001). In the case of 10 monolayer (ML) Ni that shows perpendicular magnetic anisotropy (PMA), a relatively strong...
Manabu Kiguchi, Toshihiko Yokoyama, Daiju Matsumura, Hiroshi Kondoh, Osamu Endo, Toshiaki Ohta
Physical Review B - Condensed Matter and Materials Physics   61 14020-14027   Jan 2000
Temperature- and angle-dependent extended x-ray-absorption fine-structure spectra of Cu and Ni thin films grown epitaxially on highly oriented pyrolytic graphite were measured and analyzed in order to investigate the dynamical properties of the su...
Manabu Kiguchi, Yoshinori Kitajima, Toshihiko Yokoyama, Daiju Matsumura, Hiroshi Kondoh, Toshiaki Ohta
Physical Review B - Condensed Matter and Materials Physics   60 16205-16210   Jan 1999
We have investigated the interface structures of KCl and NaCl thin films grown on NaBr(100) by means of Cl K-edge x-ray-absorption fine structure. The x-ray-absorption near-edge structure of 1-ML-thick KCl on NaBr indicates that the mixed crystal ...

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