X-Ray Spectra and Electronic Structures of CuS and Cu_2S
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概要
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The Cu Lα emission spectra in fluorescence from CuS and Cu_2S are measured with a two-crystal vacuum spectrometer equipped with beryl crystals. The measured spectra are composed of a prominent peak and its high-energy structure. They are compared with the S L_<2, 3> emission, S Kβ emission, Cu L_3 absorption and S K absorption spectra reported previously to obtain information about the electronic structures of the copper sulfides. It is shown that the valence bands are composed of three parts : The upper part consists of the Cu 3d states with considerable contribution of the S 3p and 3s characters, while the middle part consists of the S 3p states with small contribution of the Cu 3d and S 3s characters and the lower part arises from the S 3s states. In addition, it is shown that the hybridization between the Cu 3d and S 3p or 4p orbitals is fairly large in the lower part of the conduction band of CuS.
- 社団法人日本物理学会の論文
- 1994-03-15
著者
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Shoji T
X-ray And Industrial Engineering System Rigaku Industrial Co.
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Shoji Takashi
X-ray And Industrial Engineering System Rigaku Industrial Co.
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Sugiura Chikara
Department Of Applied Physics Faculty Of Engineering
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YAMASAKI Hiroyuki
Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
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Yamasaki Hiroyuki
Research Laboratory For Nuclear Reactors Tokyo Institute Of Technology
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Yamasaki Hiroyuki
Department Of Energy Sciences Tokyo Institute Of Technology
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Yamasaki Hiroyuki
Department Of Electrical And Electronic Engineering Faculty Of Engineering Utsunomiya University
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SUGIURA Chikara
Department of Electrical and Electronic Engineering, Faculty of Engineering, Utsunomiya University
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