First-principles study of ferromagnetic coupling in Zn 1-xCr xTe thin film

Q. Wang, Q. Sun, P. Jena, Y. Kawazoe

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17 Citations (Scopus)


Using gradient-corrected density functional theory and supercell technique, we have calculated total energies, electronic structure, and magnetic properties of Cr-doped ZnTe in both bulk and thin-film configurations. Calculations with full geometry optimization for a Zn 1-xCr xTe supercell were carried out for different Cr concentrations (x=0.095, 0.143, and 0.19) and by varying the sites Cr atoms occupy. We show that the ferromagnetic phase of Zn 1-xCr xTe in both bulk and thin film is energetically the most preferable state irrespective of the concentration and/or site occupation of the Cr atom. The strong hybridization between Cr 3d and Te 5p states is found to be responsible for the ferromagnetic coupling, in agreement with recent experiments.

Original languageEnglish
Article number043904
JournalJournal of Applied Physics
Issue number4
Publication statusPublished - 2005 Feb 15


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