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First-principles prediction of enhanced magnetic anisotropy in FeCo alloys

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First-principles prediction of enhanced magnetic anisotropy in FeCo alloys

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Title: First-principles prediction of enhanced magnetic anisotropy in FeCo alloys
Author: Wu, Dangxin; Zhang, Qiming; Liu, J. Ping; Yuan, Dingwang; Wu, Ruqian
Abstract: The structural, electronic, and magnetic properties of FeCo alloys were studied by first-principles calculations. It has been found that the alloys prefer chemically noncubic geometries in a wide composition range. This produces appreciable uniaxial magnetic anisotropy, which facilitates interphase magnetic interaction and enhances the overall magnetization in exchange-coupled nanocomposite systems. Large magnetostrictive coefficients provide another venue for manipulations of magnetic anisotropy energies.
Description: Magnetism and Superconductivity Issue
URI: http://hdl.handle.net/10106/5001
Date: 2008-02-04
External Link: http://link.aip.org/link/APPLAB/v92/i5/p052503/s1

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