Half-metallic ferromagnetism induced by dynamic electron correlations in VAs
SourcePhysical Review Letters, 96, 19, (2006), pp. 197203-1-197203-4
Article / Letter to editor
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Theory of Condensed Matter
Physical Review Letters
SubjectTheory of Condensed Matter
The electronic structure of the VAs compound in the zinc-blende structure is investigated using a combined density-functional and dynamical mean-field theory approach. Contrary to predictions of a ferromagnetic semiconducting ground state obtained by density-functional calculations, dynamical correlations induce a closing of the gap and produce a half-metallic ferromagnetic state. These results emphasize the importance of dynamic correlations in materials suitable for spintronics.
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