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The Ratio of the 90° and 180° Exchange Contributions in Monoxides NiO and CoO at Normal and High Pressure

Описание

Тип публикации: статья из журнала

Год издания: 2022

Идентификатор DOI: 10.1134/S0031918X22070158

Ключевые слова: exchange interaction, mott–hubbard dielectric, spin crossover

Аннотация: Abstract: The 90° and 180° super-exchange interaction in the Mott–Hubbard dielectrics NiO and CoO under normal conditions and at high hydrostatic pressure, which leads to spin crossover on magnetic ions, is estimated. It is shown that the magnetic ordering in these materials is completely determined by the 180° super exchange in thПоказать полностьюe second coordination shell. © 2022, Pleiades Publishing, Ltd.

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Издание

Журнал: Physics of Metals and Metallography

Выпуск журнала: Vol. 123, Is. 7

Номера страниц: 645-650

ISSN журнала: 0031918X

Издатель: Pleiades Publishing

Персоны

  • Polukeev S.I. (Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation)
  • Gavrichkov V.A. (Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation)
  • Ovchinnikov S.G. (Siberian Federal University, Krasnoyarsk, 660041, Russian Federation)

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