期刊
PHYSICAL REVIEW LETTERS
卷 108, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.026403
关键词
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资金
- Japan Society for Promotion of Science
- Carnegie Institution
- Division Of Earth Sciences
- Directorate For Geosciences [1214807] Funding Source: National Science Foundation
Electrical conductivity of FeO was measured up to 141 GPa and 2480 K in a laser-heated diamond-anvil cell. The results show that rock-salt (B1) type structured FeO metallizes at around 70 GPa and 1900 K without any structural phase transition. We computed fully self-consistently the electronic structure and the electrical conductivity of B1 FeO as a function of pressure and temperature, and found that although insulating as expected at ambient condition, B1 FeO metallizes at high temperatures, consistent with experiments. The observed metallization is related to spin crossover.
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