A first-principle study of half-metallic ferrimagnetism in the Ti 2CoGa Heusler compound

Kervan N., Kervan S.

Journal of Magnetism and Magnetic Materials, vol.324, no.4, pp.645-648, 2012 (SCI-Expanded) identifier

  • Publication Type: Article / Article
  • Volume: 324 Issue: 4
  • Publication Date: 2012
  • Doi Number: 10.1016/j.jmmm.2011.09.003
  • Journal Name: Journal of Magnetism and Magnetic Materials
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.645-648
  • Keywords: Electronic structure, Half-metallic material, Magnetic property, Spintronics
  • Ankara Haci Bayram Veli University Affiliated: No

Abstract

Electronic structure calculations based on density functional (DFT) theory within the generalized gradient approximation (GGA) for the Ti2CoGa Heusler compound have been performed using the self-consistent full-potential linearized augmented plane wave (FPLAPW) method. The electronic band structures and density of states of the Ti2CoGa compound show that the spin-up electrons are metallic, but the spin-down bands have a gap of 0.5 eV, resulting in stable half-metallic ferrimagnetic behavior with a magnetic moment of 2μB. © 2011 Elsevier B.V.