Search for half-metallic ferrimagnetism in V-based Heusler alloys Mn2VZ (Z = Al, Ga, In, Si, Ge, Sn)

By K. Özdoğan, I. Galanakis, E. Şaşıoğlu, B. Aktaş. 2005

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Using a state-of-the-art full-potential electronic structure method within the local spin density approximation, we study the electronic and magnetic structure of Mn2V-based full Heusler alloys: Mn2VZ (Z = Al, Ga, In, Si, Ge and Sn). We show that small expansion of the calculated theoretical equilibrium lattice constants restores the half-metallic ferrimagnetism in these compounds. Moreover, a small degree of disorder between the V and Z atoms, although it induces some states within the gap, preserves the Slater–Pauling behaviour of the spin magnetic moments and the alloys keep a high degree of spin polarization at the Fermi level, opening the way for a half-metallic compensated ferrimagnet.

Subfields: Electronic, Optical and Magnetic Materials, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/3d7843fc39a432fa8cf7f908644223d2f953eac1

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In Electronic, Optical and Magnetic Materials

In Materials Chemistry

Citations in the corpus

Half-metallic ferromagnets: From band structure to many-body effects (2007, methodology): “, 2005; Irkhin and Katsnelson, 1994; Ozdogan et al., 2006)).”