Journal
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
Volume 246, Issue 7, Pages 1580-1586Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssb.200844400
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We have performed ab-initio density-functional theory self-consistent calculations using the full-potential linear muffin-tin orbital method within local spin-density approximation to study the electronic and magnetic properties of Ni(2)MnZ (Z = Al, Ga and In) in L2(1) structure. The magnetic phase stability is determined from the total energy calculations for both the nonmagnetic (NM) and magnetic (M) phases. The theoretical calculations clearly indicate that at both ambient and high pressures, the magnetic phase is more stable than the nonmagnetic phase. The elastic constants at equilibrium are also determined. We derived the bulk and shear moduli, Young's modulus, and Poisson's ratio. The Debye temperature of Ni(2)MnZ was estimated from the average sound velocity. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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