期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 428, 期 -, 页码 368-371出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2016.12.041
关键词
CdTe; KKR-CPA; DMS; Ferromagnetism; Half-metal; Double exchange
In this paper, we are applying the ab initio calculations to study the magnetic properties of vanadium doped CdTe. This study is based on the Korringa-Kohn-Rostoker method (KKR) combined with the coherent potential approximation (CPA), within the local density approximation (LDA). This method is called KKR-CPALDA. We have calculated and plotted the density of states (DOS) in the energy diagram for different concentrations of dopants. We have also investigated the magnetic and half-metallic properties of this compound and shown the mechanism of exchange interaction. Moreover, we have estimated the Curie temperature Tc for different concentrations. Finally, we have shown how the crystal field and the exchange splittings vary as a function of the concentrations.
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