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Spin polarisation study of NiMnSb using the VCA

H. ALLMAIER1,* , L. CHIONCEL2,1, E. ARRIGONI1, M. I. KATSNELSON3, A. I. LICHTENSTEIN4

Affiliation

  1. Institute of Theoretical Physics, Graz University of Technology, A-8010 Graz, Austria
  2. Faculty of Science, University of Oradea, RO-47800, Romania
  3. Institute for Molecules and Materials, Radboud University of Nijmegen, NL-6525 ED Nijmegen, Netherlands
  4. Institute of Theoretical Physics, University of Hamburg, 20355 Hamburg, Germany

Abstract

We investigate the physics of spin polarization in one of the most prominent half-metallic compounds, namely NiMnSb. To this purpose we employ an Nth-order muffin tin orbital (NMTO) based downfolding technique and calculate the electronic structure using a self consistent cluster perturbation technique called variational cluster approach (VCA)..

Keywords

Spin polarization, NiMnSb, Variation cluster approach.

Submitted at: April 1, 2008
Accepted at: July 1, 2008

Citation

H. ALLMAIER, L. CHIONCEL, E. ARRIGONI, M. I. KATSNELSON, A. I. LICHTENSTEIN, Spin polarisation study of NiMnSb using the VCA, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 7, pp. 1671-1674 (2008)