Abstract
Magnetism in man made ultra-thin materials has become an area of intense activity and excitement, mainly driven by applications in magnetic recording. For the purpose of high-density magnetic recording, the understanding and control of the magnetic properties, such as complex magnetic ordering, enhanced magnetic moments, magneto-crystalline anisotropy and magnetostriction are desired. In this paper, we present results of magnetism and magnetic anisotropy in ferromagnetic NiFe thin film, antiferromagnetic NiMn and their interface determined from first-principles FLAPW (full-potential linearized augmented plane wave) calculations, and demonstrate how their properties behave sensitively on the environment (such as in bulk, at surfaces or interfaces). These results may be important for understanding exchange bias materials.
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