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首页> 外文期刊>Japanese Journal of Applied Physics. Part 2, Letters >Effective Demagnetizing Factors of Second-Order Magnetocrystalline Anisotropies in Ferromagnetic Resonance Kittel Formula
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Effective Demagnetizing Factors of Second-Order Magnetocrystalline Anisotropies in Ferromagnetic Resonance Kittel Formula

机译:铁磁共振Kittel公式中二阶磁晶各向异性的有效退磁因子

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摘要

The effective demagnetizing factors (N_x~e and N_y~e) of the second-order magnetocrystalline anisotropies of cubic and hexagonal single crystals (K_2 and K_(u2)) for use in Kittel's ferromagnetic resonance formula are derived using previously proposed equations. The saturation magnetization is assumed to align with a static field. Six arrangements for films with the static field applied in the film plane are calculated: (1) perpendicular uniaxial anisotropy, (2) in-plane uniaxial anisotropy, (3) cubic-crystal (001) face, (4) cubic-crystal (011) face, (5) cubic-crystal (111) face, and (6) oblique anisotropy films.
机译:使用先前提出的方程式推导了用于Kittel铁磁共振公式的立方和六边形单晶(K_2和K_(u2))的二阶磁晶各向异性的有效退磁因子(N_x〜e和N_y〜e)。假定饱和磁化强度与静态磁场对齐。计算了在膜平面上施加了静电场的膜的六种排列方式:(1)垂直单轴各向异性,(2)面内单轴各向异性,(3)立方晶(001)面,(4)立方晶( 011)面,(5)立方晶体(111)面和(6)倾斜各向异性膜。

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