Тип публикации: статья из журнала

Год издания: 2012

Идентификатор DOI: 10.1134/S002136401214010X

Аннотация: We predict the insulator-metal-insulator transitions for the temperature and pressure of the lower mantle with the metal layer thickness Delta h a parts per thousand 400 km at the depth of 1400-1800 km. The insulator-metal transition has the Mott-Hubbard origin, while the second transition from metal to insulator results from spin Показать полностьюcrossover of the Fe2+ ions from high spin S = 2 to low spin S = 0 state. The conductivity in the metal layer may attain 250 S/m. The depth profile of the conductivity is also suggested.

Журнал: JETP LETTERS

Выпуск журнала: Vol. 96, Is. 2

Номера страниц: 129-132

ISSN журнала: 00213640

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

• Ovchinnikov S.G. (Siberian Federal University)
• Ovchinnikova T.M. (Sukhachev Institute of Forest, Siberian Branch,Russian Academy of Sciences)
• Dyad'kov P.G. (Trofimuk Institute of Petroleum-Gas Geology and Geophysics, Siberian Branch,Russian Academy of Sciences)
• Plotkin V.V. (Trofimuk Institute of Petroleum-Gas Geology and Geophysics, Siberian Branch,Russian Academy of Sciences)
• Litasov K.D. (Sobolev Institute of Geology and Mineralogy, Siberian Branch,Russian Academy of Sciences)

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