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We employed the density functional theory to investigate the structural, magnetic properties and metamagnetic transition on Mn and Co doped-Ni2MnZ (Z = In, Sn, Sb) Heusler alloys. The calculated formation energy indicates that excess Mn and Co prefer to occupy Z and Ni sites, respectively. The energy difference between austenite and martensite phases exhibits a monotonic increase with Mn doping, and...
A multi-scale theoretical model is performed to investigate magnetic field-induced metamagnetic martensite transition in NiCoMnIn alloys. First, the total energy is calculated to demonstrate antiferromagnetic-ferromagnetic transition from first principle calculation. Second, the transition temperature from antiferromagnetic to ferromagnetic can be tuned by the external magnetic field and hydrostatic...
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