XPS Study on the Chemical Shifts of Crystalline III-VI Layered Compounds
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概要
- 論文の詳細を見る
Core electron binding energies of GaS(/7), Gamete) and InSe(7) with respect to thevacuum level have been obtained by measuring the onset of secondary electron emis-sion in the X-ray photoelectron spectroscopy (XPS). The chemical shift for the leastbound core level of cation is estimated to be 3.4 eV for GaS, 2.0 eV for GaSe and 1.7eV for InSe with respect to the level of metal. The Madelung constant of each cornpound is calculated to be 1 .44, 1 .60 and 1 .48, respectively. The ionicity is estimated tobe about 0.46, 0.45 and 0.49, respectively. The magnitude of chemical shift is discus-sed on the basis of the electrostatic model which reflects two-dimensional crystal struc-lure.
- 社団法人日本物理学会の論文
- 1985-11-15
著者
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TATSUYAMA Chiei
Department of Electrical and Electronic Engineering, Faculty of Engineering, Toyama University
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Tambo T
Toyama Univ. Toyama
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Tambo Toyokazu
Department Of Electrical And Electronic Engineering Faculty Of Engineering Toyama University
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Tatsuyama C
Department Of Electrical And Electronic Engineering Faculty Of Engineering Toyama University
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Tatsuyama Chiei
Department Of Electonics Faculty Of Engineering Toyama University
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