Analysis of the sequence of insulator-metal phase transitions at high pressure in systems with spin crossovers

Описание

Тип публикации: статья из журнала

Год издания: 2013

Идентификатор DOI: 10.1134/S1063776113010111

Ключевые слова: Average numbers, D electrons, External pressures, High pressure, Hubbard, Insulator-metal phase, Spin crossovers, Metal insulator boundaries, Semiconductor insulator boundaries

Аннотация: Possible variants of the Mott-Hubbard phase transitions at high pressure in systems with spin crossovers are considered. Owing to the universal character of the dependence of the effective Hubbard parameter U (eff)(d (n) ) on the average number of d electrons, which is determined by the presence of spin crossovers, cascades of insuПоказать полностьюlator-metal-insulator phase transitions in systems with d (3), d (6), and d (8) configurations become possible. Moreover, the systems with d (6) configuration can exhibit transitions from a metal in the absence of external pressure to an insulator at high pressure.

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Издание

Журнал: JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS

Выпуск журнала: Vol. 116, Is. 1

Номера страниц: 123-127

ISSN журнала: 10637761

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

Персоны

  • Ovchinnikov S.G. (Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Krasnoyarsk 660041, Russia)

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