Preliminary reports on in-situ X-ray observation of "post- perovskite" in CaRuO3

D. Yamazaki, E. Ito, T. Yoshino, X. G. Guo, S. Shun, M. Nishi, Y. Higo, K. Funakoshi

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Abstract

Phase transformation from perovskite to "post-perovskite" and reserve transition in CaRuO3 was observed by in situ X-ray diffraction at pressure of 20-22 GPa and temperature of 1173-1523 K. These pressure and temperature conditions are 1-2 GPa lower than previous results by quenched method. The axial compressibility is estimated to be a/a 0>b/b0>c/c0. This result is inconsistent with previous result on CaIrO3.

Original languageEnglish
Article number012096
JournalJournal of Physics: Conference Series
Volume215
DOIs
Publication statusPublished - May 12 2010

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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