Magnetic anisotropy and magnetoelastic properties of SmFe11Tiстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We investigated the specific magnetization σ(T, B), torque moments L(φ), Young’s modulus E(T), internal friction Q-1(T), and magnetostriction λ(5) of a single crystal and polycrystalline samples, of the SmFe11Ti compound, in the temperature region 77-700 K in magnetic fields up to 1.6 T. Below the Curie temperature (Tc=600 K) this compound was found to be a uniaxial highly anisotropic ferromagnet with a saturation magnetization σs = 126 G-cm3 g-1 and the uniaxial anisotropy constant K1 =4.2·107 erg/cm3 at 300 K. The temperature dependence of Young’s modulus shows typical metallic behavior. It was found that the magnetoelastic energy of SmFe11Ti is much smaller than the magnetocrystalline anisotropy energy.