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 language | English |
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Article number | 085506 |
Pages (from-to) | 855061-855064 |
Number of pages | 4 |
Journal | Physical Review Letters |
Volume | 92 |
Issue number | 8 |
State | Published - 27 Feb 2004 |