Half-metallic ferromagnetic semiconductors of V- and Cr-doped CdTe studied from first-principles pseudopotential calculations
Pseudopotential
Magnetic semiconductor
Supercell
Cadmium telluride photovoltaics
DOI:
10.1016/j.physb.2005.05.024
Publication Date:
2005-06-22T20:22:42Z
AUTHORS (5)
ABSTRACT
The electronic structure and the ferromagnetism of V- and Cr-doped zinc-blende semiconductor CdTe have been investigated by spin-polarized calculations with first-principles plane-wave pseudopotential method within the generalized gradient approximation for the exchange-correlation potential. We find that the V- and Cr-doped zinc-blende CdTe show half-metallic behavior with a total magnetic moment of 3.0 and 4.0 mu(B) per supercell, respectively. It may be useful in semiconductor spintronics and other applications. (c) 2005 Elsevier B.V. All rights reserved.
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