Temperature behavior of magnetization in multiphase Co-P powders in unsaturated regime


Тип публикации: статья из журнала (материалы конференций, опубликованные в журналах)

Конференция: Moscow International Symposium on Magnetism, MISM 2014; Moscow, Russian Federation; Moscow, Russian Federation

Год издания: 2015

Идентификатор DOI: 10.4028/www.scientific.net/SSP.233-234.522

Ключевые слова: Ferromagnetic powder, Local magnetic anisotropy, Nanocorundum, Nanodiamond, Anisotropy, Magnetism, Magnetization, Nanodiamonds, Powders, Temperature distribution, Absolute zero temperature, Ferromagnetic powders, Magnetic anisotropy constant, Magnetic excitations, Spontaneous magnetization, Temperature dependence, Magnetic anisotropy

Аннотация: In this paper we have proposed a modified expression for the fitting M(T) data in Co-P powders with nanocorundum and nanodiamond precipitates. The expression for M(T) takes into account the effects from both thermal magnetic excitations – Bloch’s T3/2 law and temperature dependence of the magnetic anisotropy. The fitting parametersПоказать полностьюare spontaneous magnetization at absolute zero temperature, Bloch constant and order of magnetic anisotropy constant. The obtained Bloch constant is in good agreement with literature data. The order of magnetic anisotropy constant is found to be about 3 that is surprising result and supposedly comes from multiphase nature of the investigated Co-P powder. © (2015) Trans Tech Publications, Switzerland.

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Журнал: Solid State Phenomena

Выпуск журнала: Vol. 233-234

Номера страниц: 522-525


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