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Magnetic double exchange interaction as a driving force of the coexistence of the negative giant magnetoresistance and the spin glass state in the selected re-manganites and the spinels with chromium Author(sстатья
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Warczewski J., Krok-Kowalski J., Gusin P., Koroleva L.I.
- Журнал: Molecular Crystals and Liquid Crystals
- Том: 483
- Год издания: 2008
- Издательство: Taylor & Francis
- Местоположение издательства: United Kingdom
- Первая страница: 294
- Последняя страница: 306
- DOI: 10.1080/15421400801917254
- Аннотация: In this article is pointed out the particularly important role of the double exchange magnetic interaction in the appearance of the phenomenon of the coexistence of the negative giant magnetoresistance and the spin glass state in the selected RE-manganites and the spinels with chromium. To explain this phenomenon, its statistical background and the types of magnetic interactions in the compounds under study are taken into account. The particular importance of the double exchange magnetic interaction "cooperating" with the strong external magnetic induction results here from that: i. its coupling constant is several times greater than the superexchange one, ii. the spin orientation of the hopping electrons is conserved (always ferromagnetic coupling!) and the charge transfer makes the p-type metallic conductance.
- Добавил в систему: Королёва Людмила Ивановна