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Negative remanent magnetization of fine particles with competing cubic and uniaxial anisotropies

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Negative remanent magnetization of fine particles with competing cubic and uniaxial anisotropies

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Título Negative remanent magnetization of fine particles with competing cubic and uniaxial anisotropies
Autor Geshev, Julian Penkov
Viegas, Alexandre da Cas
Schmidt, Joao Edgar
Abstract The magnetic properties of noninteracting single-domain particles whose anisotropy is made up of a cubic magnetocrystalline and a uniaxial components were investigated. Various directions of the uniaxial anisotropy were considered and the dependencies of the reduced remanence as a function of the ratio between the two anisotropies were obtained. It was found that for sufficiently strong uniaxial anisotropy and random arrangement of the particle orientations, reduced remanence lower than 0.5 is, in general, an intrinsic property of the system due to the negative remanent magnetization of some of the particles.
Contido em Journal of applied physics. Woodbury. Vol. 84, no. 3 (Aug. 1998), p. 1488-1492
Assunto Anisotropia magnetica
Propriedades magneticas
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/95403
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