Тип публикации: статья из журнала
Год издания: 2020
Идентификатор DOI: 10.1134/S0021364020160055
Аннотация: The effect of high pressure on the electronic characteristics of CoO is analyzed in the framework of the multielectron model of transition metal oxides. The specific features of spin crossover for d7 terms of Co2+ are compared to those characteristic of d5 and d6 configurations. A pressure-induced transition between antiferromagnetic and ferromagnetic states at the spin crossover point is predicted. A model is proposed to describe the pressure-induced variation of the electrical resistance exhibiting a stepwise change by eight orders of magnitude at the structural transition point observed at 43 GPa and the subsequent metallization above 133 GPa. © 2020, Pleiades Publishing, Inc.
Издание
Журнал: JETP Letters
Выпуск журнала: Vol. 112, Is. 4
Номера страниц: 241-245
Персоны
- Gavrichkov V.A. (Russian Acad Sci, Siberian Branch, Fed Res Ctr KSC, Kirensky Inst Phys, Krasnoyarsk 660036, Russia)
- Orlov Yu. S. (Russian Acad Sci, Siberian Branch, Fed Res Ctr KSC, Kirensky Inst Phys, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Krasnoyarsk 660041, Russia)
- Ovchinnikova T.M. (Russian Acad Sci, Siberian Branch, Fed Res Ctr KSC, Sukachev Inst Forest, Krasnoyarsk 660036, Russia)
- Ovchinnikov S.G. (Russian Acad Sci, Siberian Branch, Fed Res Ctr KSC, Kirensky Inst Phys, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Krasnoyarsk 660041, Russia)
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