Charge density study under high pressure

Makoto Sakata, Takafumi Itsubo, Eiji Nishibori, Yutakata Moritomo, Norimichi Kojima, Yasuo Ohishi, Masaki Takata

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13 Citations (Scopus)

Abstract

The experimental and analytical method of the high-pressure powder experiment at BL10XU, SPring-8, is described. There is no doubt that BL10XU must be one of the most appropriate beam lines for high pressure X-ray diffraction experiment taking advantage of third generation synchrotron source. As an example of the advanced charge density study under high pressure, the structural change of Cs2Au2Br6 by applying pressure is studied by Rietveld/MEM analysis. It reveals that the structural change of Cs2Au2Br6 by applying pressure occurs basically at electron level, such as valence state change and chemical bonding, which may be called the electronic phase transition.

Original languageEnglish
Pages (from-to)1973-1976
Number of pages4
JournalJournal of Physics and Chemistry of Solids
Volume65
Issue number12
DOIs
Publication statusPublished - 2004 Dec 1
Externally publishedYes

Keywords

  • C. High pressure
  • C. X-ray diffraction
  • D. Crystal structure
  • D. Electronic structure

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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  • Cite this

    Sakata, M., Itsubo, T., Nishibori, E., Moritomo, Y., Kojima, N., Ohishi, Y., & Takata, M. (2004). Charge density study under high pressure. Journal of Physics and Chemistry of Solids, 65(12), 1973-1976. https://doi.org/10.1016/j.jpcs.2004.08.028