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 parameters are 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.
Издание
Журнал: Solid State Phenomena
Выпуск журнала: Vol. 233-234
Номера страниц: 522-525
Персоны
- Li O.A. (Siberian Federal University)
- Komogortsev S.V. (Kirensky Institute of Physics, SB RAS)
- Iskhakov R.S. (Kirensky Institute of Physics, SB RAS)
- Chekanova L.A. (Kirensky Institute of Physics, SB RAS)
- Eremin E.V. (Kirensky Institute of Physics, SB RAS)
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