Prediction of a new class of half-metallic antiferromagnets

Details Prediction of a new class of half-metallic antiferromagnets Prediction of a new class of half-metallic antiferromagnets

2003-03-18

arxiv.org/abs/cond-mat/0303354v1

Phys. Rev. B 68 125114 (2003)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures and 1 table

Scientific paper

10.1103/PhysRevB.68.125114

We report on vacancy induced half-metallicity in the prototype
Mott-insulating substances MnO and NiO. By embedding a cation-vacancy into a
magnetic system a new road opens up to the construction of half-metallic
antiferromagnets. For Ni$_{0.97}$O we find a half-metallic antiferromagnet a
system hitherto only proposed for complicated crystal structures.

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