Analysis of Magnetization Curves and Magnetocrystalline Anisotropy of Uniaxial Ferromagnets


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Аннотация

Theoretical analysis of the processes of magnetization of uniaxial ferromagnetic materials is performed within the Neel theory of magnetic phases. Relations are obtained for the constants of magnetic crystal anisotropy K1, K2, the form factor N, and the saturation magnetization Is, at which the magnetization curves exhibit jumps (FOMP). Formulas for computing the saturation fields Hs and the jump fields HFOMP are derived for crystals with different types of magnetocrystalline anisotropy MCA. It is shown that the Sucksmith–Thompson method is applicable for computing the first too MCAconstants of uniaxial ferromagnets with any type of MCA. Constants K1 and K2 are computed with allowance for the form factor of the specimen. Model magnetization curves are plotted for uniaxial ferromagnets with different types of MCA along and perpendicularly to crystallographic axis c. The analytical results match the model curves well.

Авторлар туралы

M. Lyakhova

Tver State University

Хат алмасуға жауапты Автор.
Email: Lahova_M_B@mail.ru
Ресей, Tver

O. Zhdanova

Tver State University

Email: Lahova_M_B@mail.ru
Ресей, Tver

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