Pressure Induced Self-Oxidation of Fe(OH)2

M. P. Pasternak, A. P. Milner, G. Kh Rozenberg, R. D. Taylor, R. Jeanloz

Research output: Contribution to journalArticlepeer-review

Abstract

The gradual pressure induced oxidation of Fe2+ to Fe 3+ was determined at various pressures and temperatures. The phenomenon of self-oxidation in Fe(OH)2 is attributed to the gradual lateral displacement of the H atom due to Coulomb repulsion. The self-oxidation led to the creation of a new electron band within the HP band structure of Fe(OH)2. It was found that the oxidation process is not reversible by decompression due to low affinity of Fe3+ reduction to Fe 2+.

Original languageEnglish
Article number085506
Pages (from-to)855061-855064
Number of pages4
JournalPhysical Review Letters
Volume92
Issue number8
StatePublished - 27 Feb 2004

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