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Magnetostriction and magnetization of the intermetallic compounds RFe2-xCox(R = Tb, Dy, Er) with compensated magnetic anisotropyстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Tereshina I.S., Nikitin S.A., Politova G.A., Opalenko A.A., Tereshina E.A., Telegina I.V.
- Журнал: Physics of the Solid State
- Том: 51
- Номер: 1
- Год издания: 2009
- Издательство: Pleiades Publishing, Ltd
- Местоположение издательства: Road Town, United Kingdom
- Первая страница: 92
- Последняя страница: 98
- DOI: 10.1134/S1063783409010119
- Аннотация: The compounds Tb0.35Dy0.45Er0.2Fe2-xCox (0 ≤ x ≤ 2) are synthesized in both polycrystalline and single-crystal states. The composition of the new multicomponent alloys with compensated magnetic anisotropy is calculated in the framework of the single-ion magnetic anisotropy model with allowance for the data on the temperature dependences of the magnetic anisotropy constants for RFe2 single crystals. The synthesized compounds are characterized using metallographic, chemical, X-ray diffraction, and thermomagnetic methods. A combined analysis of the magnetic and magnetoelastic properties is also carried out. It is established that the high magnetostriction characteristics of the rare-earth intermetallic compounds Tb0.35Dy0.45Er 0.2Fe2 - xCox with a structure of Laves phases are observed in the region of the spin-reorientational phase transition whose temperature can be varied by properly choosing the Co content. It is found that, in the room-temperature region, the magnetic susceptibility (dλ/dH) of the composition with x = 1.3 reaches levels in excess of the value of dλ/dH for terphenol D due to the compensation of magnetic anisotropy.
- Добавил в систему: Никитин Сергей Александрович