Te–K EXAFS Study on the Local Structure of Amorphous TexC1-x Alloys
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概要
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Te K-edge EXAFS (extended X-ray absorption fine structure) of trigonal Te and amorphous TexC1-x alloy films prepared by the rf sputtering technique have been measured in order to determine the local structure around Te atoms. EXAFS parameters (backscattering amplitude and phase function) are determined for Te atoms. The Debye-Waller factors are also obtained for trigonal Te and the TexC1-x alloys. The average coordination number of a Te atom in amorphous TexC1-x is found to be smaller than in trigonal Te with the disappearance of interchain coupling in these amorphous alloys. Further, the Te–Te distance in a-TexC1-x is gradually shortened with an increase of the carbon content compared with that in trigonal Te.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1989-06-20
著者
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Osaka Yukio
Department Of Electrical Engineering Faculty Of Engineering Hiroshima University
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TSUNETOMO Keiji
Department of Electrical Engineering, Faculty of Engineering, Hiroshima University
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Sugishima Tatsumi
Department Of Electrical Engineering Hiroshima University
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Imura Takeshi
Department of Chemistry, Faculty of Engineering Science, Osaka University
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