Perpendicular Ferromagnetic-Resonance Equations Derived by Effective Demagnetizing Factors

概要

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Effective demagnetizing factors (${N_{x}}^{\text{e}}$, ${N_{y}}^{\text{e}}$) of single-crystal films having cubic or uniaxial anisotropy are derived by new ${N_{x}}^{\text{e}}$ and ${N_{y}}^{\text{e}}$ equations for the use of Kittel's ferromagnetic resonance formula. ${N_{x}}^{\text{e}}$ and ${N_{y}}^{\text{e}}$ are obtained by one kind of first derivative ($\partial G/\partial\theta$). Both first-order and second-order magnetocrystalline anisotropy constants are treated. Six arrangements of films with the static field along the film normal 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.
Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
2003-12-15