Analysis of Ag K-EXAFS Data of Superionic α-Agl

Takeshi Watanabe, Hisao Ishizuka, Yoshio Kuramoto, Chuji Horie

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Abstract

The EXAFS data of Ag K-absorption of superionic Agl obtained by Boyce et al. are analyzed in final-state momentum space to avoid occurrence of ambiguous artifacts frequently observed upon Fourier-transforming raw data into real space. For the analysis, the phase shift of X-ray excited photoelectrons is calculated theoretically by means of Hartree-Fock method. As a result of the analysis, it is concluded that the Ag ions in α-Agl locate at the d, h, and b sites with a ratio of occupation probabilities 7: 7: 1, respectively. The motion of Ag ions is strongly correlated with the vibration of anions and performs a jump-like diffusion among the 42 available sites.

Original languageEnglish
Pages (from-to)299-303
Number of pages5
Journaljournal of the physical society of japan
Volume49
Issue number1
DOIs
Publication statusPublished - 1980 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Watanabe, T., Ishizuka, H., Kuramoto, Y., & Horie, C. (1980). Analysis of Ag K-EXAFS Data of Superionic α-Agl. journal of the physical society of japan, 49(1), 299-303. https://doi.org/10.1143/JPSJ.49.299