X-Ray Absorption Near-Edge Studies of La_<2-x>Sr_xCuO_<4-y>
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概要
- 論文の詳細を見る
The effect of hole doping on the electron states at the copper sites inLa. .Sr.Cu0. , (0.0<,X'<0.25) has been studied by the X-ray absorption near-edgestructure on the Cu K-edge. We find that the absorption edge shifts to a higher energywith the increase of Sr concentration x and saturates at x= 0.20, coinciding with x hav-ing the maximum value of T.. The observed systematic edge shift indicates that dop-ing infiuences the electron states on the copper sites either directly, by the formationof the Cu d hole (d' configuration) or indirectly, through the distortion of the Cub.unit.[X-ray absorption near-edge structure, valence, local structure, electron states, ll high- T. superconductorl
- 社団法人日本物理学会の論文
- 1989-09-15
著者
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Tokumoto M
Electrotechnical Lab. Ibaraki
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Tokumoto H
Electrotechnical Laboratory
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Oizumi H
Electrotechnical Laboratory
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MURATA Keizo
Electrotechnical Laboratory
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TOKUMOTO Madoka
Electrotechnical Laboratory
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IHARA Hideo
Electrotechnical Laboratory
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Oyanagi Hiroyuki
Electrotechnical Laboratory
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NISHIHARA Yoshikazu
Electrotechnical Laboratory
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Murata Keizo
Osaka City University
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UNOKI Hiromi
Electrorechnical Laboratory
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Unoki H
Electrotechnical Lab. Ibaraki
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Unoki H
Superconductivity Research Laboratory
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Unoki Hiromi
Electotechnical Laboratory
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KIMURA Yoichi
Electrotechnical Laboratory
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Matsushita T
Osaka Sangyo Univ. Osaka Jpn
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Yamaguchi H
Gunma Univ. Gunma
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Murata Kazuhiro
Department Of Physics Division Of Material Science Nagoya University
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Murata K
Division Of Molecular Materials Science Graduate School Of Science Osaka City University
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Murata K
Tokyo Medical And Dental Univ. Tokyo Jpn
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Murata Keizo
Electorotechnical Laboratory
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Yamaguchi H
Electrotechnical Lab. Ibaraki Jpn
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Yamaguchi H
Inst. Physical And Chemical Res. (riken) Saitama
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Yamaguchi Hirotaka
Electrotechnical Laboratory
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Matsushita Tadashi
National Laboratory For High Energy Physics
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NISIHARA Yoshikazu
Tsukuba Reserch Center,SANYO Co.Ltd.,
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Maruyama Kenji
Faculty Of Science Niigata University
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Tokumoto Madoka
Electrotechnical Laboratory Sakura-mura Niihari-gun
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OYANAGI Hiroyuki
National Institute for Advanced Industrial Science and Technology
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Oyanagi Hiroyuki
Optoelectronics Division Electrotechnical Laboratory
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Nishihara Y
Electrotechnical Lab. Tsukuba
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Yamaguchi H
Akita Prefectual University
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Tokumoto M
Nanotechnology Research Institute National Institute Of Advanced Industrial Science And Technology (
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Oyanagi H
Optoelectronics Division Electrotechnical Laboratory
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Oyanagi Hiroyuki
Electrotech. Lab. Tsukuba
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Yamaguchi H
Ritsumeikan University
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Yamaguchi Hirotaka
Electrotech. Lab. Tsukuba
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Tokumoto Madoka
Electronics and Photonics Research Institute (EPRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan
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YAMAGUCHI Hirotaka
Electrotech. Lab. , Tsukuba
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OYANAGI Hiroyuki
Electrotech. Lab. , Tsukuba
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