Abstract
AbstractA theoretical model has been set up to investigate analytically the effective anisotropy field of the single‐phase and anisotropic nanostructured ferromagnetic materials with uniaxial magnetocrystalline anisotropy. It is revealed that the effective anisotropy field decreases with the grain alignment by the increased deviation of the magnetization from the easy‐axis in the transition region and the enhanced suppressing effect of the intergrain exchange coupling on the anisotropy. It is suggested that magnetic properties such as the soft magnetic properties could be improved by controlling the crystallographic orientation and the intergrain or interlayer exchange coupling. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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