Partial Structural Functions of Molten CuBr Estimated from the Anomalous X-Ray Scattering Measurements

Masatoshi Saito; Changyong Park; Kazuhiko Omote; Kazumasa Sugiyama; Yoshio Waseda

doi:10.1143/JPSJ.66.633

Partial Structural Functions of Molten CuBr Estimated from the Anomalous X-Ray Scattering Measurements

Masatoshi Saito, Changyong Park, Kazuhiko Omote, Kazumasa Sugiyama, Yoshio Waseda

Materials Development Division

Research output: Contribution to journal › Article › peer-review

48 Citations (Scopus)

Abstract

The individual partial structural functions of molten CuBr have been estimated from the anomalous X-ray scattering (AXS) measurements. This data processing includes the help of the reverse Monte Carlo (RMC) simulation technique. The cation-cation structure factor of α_CuCu(Q) was found to be rather structureless and the closest Cu-Cu distance in molten CuBr was significantly smaller than that for Br-Br, indicating the like-ion penetration into the first unlike-ion coordination shell, similar to the molten CuCl case. It is then suggested that a disordered close packing of Br^- ions where Cu⁺ ions meander so as to take strongly disordered distribution by penetrating through the tetrahedral holes.

Original language	English
Pages (from-to)	633-640
Number of pages	8
Journal	journal of the physical society of japan
Volume	66
Issue number	3
DOIs	https://doi.org/10.1143/JPSJ.66.633
Publication status	Published - 1997 Jan 1

Keywords

Anomalous X-ray scattering
Molten CuBr
Partial structure factor
Reverse Monte Carlo simulation

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "The individual partial structural functions of molten CuBr have been estimated from the anomalous X-ray scattering (AXS) measurements. This data processing includes the help of the reverse Monte Carlo (RMC) simulation technique. The cation-cation structure factor of αCuCu(Q) was found to be rather structureless and the closest Cu-Cu distance in molten CuBr was significantly smaller than that for Br-Br, indicating the like-ion penetration into the first unlike-ion coordination shell, similar to the molten CuCl case. It is then suggested that a disordered close packing of Br- ions where Cu+ ions meander so as to take strongly disordered distribution by penetrating through the tetrahedral holes.",

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AU - Waseda, Yoshio

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AB - The individual partial structural functions of molten CuBr have been estimated from the anomalous X-ray scattering (AXS) measurements. This data processing includes the help of the reverse Monte Carlo (RMC) simulation technique. The cation-cation structure factor of αCuCu(Q) was found to be rather structureless and the closest Cu-Cu distance in molten CuBr was significantly smaller than that for Br-Br, indicating the like-ion penetration into the first unlike-ion coordination shell, similar to the molten CuCl case. It is then suggested that a disordered close packing of Br- ions where Cu+ ions meander so as to take strongly disordered distribution by penetrating through the tetrahedral holes.

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