Abstract
We investigate the structural, electronic, and magnetic properties of zinc-blende diluted magnetic semiconductors (DMS) Al 1−x TM x N for transition metals (TM) = V, Cr, Mn, and Fe at x = 0.125 and 0.25, using first-principle calculations with the full-potential linearized augmented plane wave (FP-LAPW) method within the density functional theory and local spin-density approximation, in an aim to predict properties of Al 1−x TM x N compounds. We have analysed the reliance of structural parameter values on the composition x in the range of x= 0.125−0.25. Results of calculated electronic structures reveal that Al 1−x TM x N have stable ferromagnetic ground state and they are ideal half-metallic (HM) ferromagnetic at their equilibrium lattice constants. We have also studied the magnetic moment of Al 1−x TM x N by increasing the concentration of TM atom; this is the most important source of the total magnetic moment in these alloys, while the contributions from Al, N, and interstitial moments are minor.
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Dahmane, F., Tadjer, A., Doumi, B. et al. First-Principle Calculations of Structural, Electronic, and Magnetic Properties of Cubic Al1−x TM x N (TM = V, Cr, Mn, Fe). J Supercond Nov Magn 27, 2647–2654 (2014). https://doi.org/10.1007/s10948-014-2616-y
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DOI: https://doi.org/10.1007/s10948-014-2616-y