Journal
SOLID STATE COMMUNICATIONS
Volume 133, Issue 5, Pages 301-304Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2004.11.016
Keywords
electronic structure; half-metallic ferromagnetism; first-principles calculation
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The electronic structure and the ferromagnetism of CrS and UP in the zinc-blende (ZB) phase are investigated by spin-polarized calculations with first-principles plane-wave pseudopotential method within the generalized gradient approximation for the exchange-correlation potential. From the analysis of the spin-dependent density of states, band structure and magnetic moment. we predict that ZB CrS and CrP at their respective equilibrium lattice constant are half-metallic ferromagnets with a magnetic moment of 4.00 and 3.00mu(B) per formula unit, respectively. We also find that the ZB CrS maintains half-metallic ferromagnetism up to 3% compression of lattice constant while the half-metallic ferromagnetism for ZB CrP exists only near its equilibrium lattice constant. (C) 2004 Elsevier Ltd. All rights reserved.
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