Article ID Journal Published Year Pages File Type
1802852 Journal of Magnetism and Magnetic Materials 2009 4 Pages PDF
Abstract
The origin of the half-metallicity is different in diluted magnetic semiconductors and Heusler alloys. I briefly review our earlier work on (GaMn)As and (GaMn)N focusing on the relation between the half-metallicity and the strength of the interatomic exchange interactions. This relation is governed by the properties of the valence-band holes. In Heusler alloys the factors determining the thermal behavior are distinct. Here the relation between half-metallicity and the longitudinal fluctuations of atomic moments is considered. The temperature dependence of the Ni magnetization in NiMnSb is studied.
Related Topics
Physical Sciences and Engineering Physics and Astronomy Condensed Matter Physics
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