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Correlation of magnetocrystalline anisotropy of Fe0.5Pd0.5 alloy with chemical order
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UNSPECIFIED (2001) Correlation of magnetocrystalline anisotropy of Fe0.5Pd0.5 alloy with chemical order. JOURNAL OF PHYSICS-CONDENSED MATTER, 13 (35). pp. 8153-8160. ISSN 0953-8984.
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Abstract
We study the magnetocrystalline anisotropy of Fe0.5Pd0.5 alloy using the first-principles spin-polarized relativistic Korringa-Kohn-Rostoker coherent-potential approximation. We investigate the effect of long-ranged chemical order on the magnitude as well as the direction of easy magnetization. We find that in this alloy, the chemical order enhances the magnitude of the magnetocrystalline anisotropy energy as well as altering the easy axis. In particular, for the L1(0) ordered alloy the easy axis is perpendicular to the alternating layers of Fe and Pd with quite large magnetocrystalline anisotropy energy 124 mu eV. These observations are in very good agreement with experiments. We also find that it is the electronic structure in the vicinity of the Fermi surface that is responsible for this effect.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | JOURNAL OF PHYSICS-CONDENSED MATTER | ||||
Publisher: | IOP PUBLISHING LTD | ||||
ISSN: | 0953-8984 | ||||
Official Date: | 3 September 2001 | ||||
Dates: |
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Volume: | 13 | ||||
Number: | 35 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 8153-8160 | ||||
Publication Status: | Published |
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