Full-Multiple-Scattering Approach to L_3 X-Ray Absorption Near Edge Structures of Amorphous Germanium
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概要
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The observed L_3 X-ray absorption near edge structures (XANES) spectra for crystalline and amorphous germanium are analyzed using full-multiple-scattering calculations. The prominent first peak found in the crystalline Ge spectra are absent in the amorphous Ge spectra. The difference in the spectra is accounted for by the bond-angle fluctuation in amorphous Ge where the Ge-Ge bond distance is fixed, but a bond-angle fluctuation of 10° should be taken into account. This angular fluctuation is in good agreement with that oserved in previous studies. Other effects, such as the electronic structure and core-hole potential are also investigated, and we find that the latter effect plays an important role in XANES analyses.
- 社団法人応用物理学会の論文
- 1998-01-15
著者
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Naoe Shun-ichi
Faculty Of Engineering Kanazawa University
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Fujikawa Takashi
Faculty Of Agriculture Shizuoka University
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YANAGISAWA Osami
Faculty of Engineering, Yokohama National University
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Yanagisawa Osami
Faculty Of Engineering Yokohama National University
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