Pressure Suppression of Charge Order without Metallisation in Cs2Au2l6

A. F. Kusmartseva, M. Yang, Angel Arevalo Lopez, Konstantin V. Kamenev, J. P. Attfield

Research output: Contribution to journalArticlepeer-review

Abstract

Resistivity and powder X-ray diffraction measurements on Cs2Au2I6 up to 320 kbar pressure show that the suppression of Au+/Au3+ charge order above 55 kbar results in a non-metallic phase containing localised Au2+ states that is irreversibly amorphised above 120 kbar, and a gradual metallisation observed above 175 kbar may result from decomposition within the amorphous material.
Original languageEnglish
Pages (from-to)6681-6683
Number of pages3
JournalChemical Communications
Volume46
Issue number36
DOIs
Publication statusPublished - Jan 2010

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