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First-principle study on bulk and (1 1 1) surface of MP (M=K and Rb) in rocksalt structure

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arxiv 1504.01793 v1 pith:FYWYXHLL submitted 2015-04-08 cond-mat.mtrl-sci

classification cond-mat.mtrl-sci
keywords bulkhalf-metallicsurfacescompoundsfirst-principlerocksaltstructureband
verification ladder T0 review T1 audit T2 compute T3 formal
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The electronic and magnetic properties of bulk and (1 1 1) surfaces for MP (M=K ans Rb) in rocksalt structure have been investigated by employing first-principle calculations. The results reveal that the compounds are half-metallic ferromagnets at the equilibrium lattice constants with large half-metallic band gaps of 0.46 and 0.74 eV. The (111) surfaces of KP and RbP keep their bulk half-metallic property. We study the stabilities of the bulk compounds and their (1 1 1) surfaces as well.

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