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Half Metallic Ferromagnetic Character in ZnXP2 (X = Ge, Si) Chalcopyrites Doped with Mn

  • B. Taychour
  • S. Zriouel
  • L. B. Drissi
Original Paper
  • 15 Downloads

Abstract

The electronic and the magnetic properties of ZnXP2 (X = Ge, Si) were studied using the Korring-Kohn-Rostoker (KKR) method combined with the coherent potential approximation (CPA). The total and partial density of state (DOS) are computed for different Mn concentrations. The total magnetic moment, FM and DLM energies, and their variation as well as Curie temperature are also given. It is shown that the substitution of X cations (X = Ge, Si) by Mn atoms in ZnXP2 chalcopyrites leads to half metallic ferromagnetic character with double exchange mechanism. Thus, the critical temperature can be controlled by varying the concentration of manganese impurity.

Keywords

Ab initio calculations KKR-CPA method ZnGeP2 ZnSiP2 Electronic structure Magnetic properties Chalcopyrite semiconductors Ferromagnetism Double exchange 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.LPHE-Modeling and Simulations, Faculty Of SciencesMohammed V University in RabatRabatMorocco
  2. 2.Department of Physics, Polydisciplinary FacultySultan Moulay Slimane University in Beni MellalBeni MellalMorocco
  3. 3.Center of Physics and MathematicsCPMRabatMorocco

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