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Half-metallic ferromagnetism in transition-metal doped germanium nitride: A first-principles study

Authors
Journal
Physics Letters A
0375-9601
Publisher
Elsevier
Publication Date
Volume
374
Identifiers
DOI: 10.1016/j.physleta.2010.05.064
Keywords
  • Condensed Matter
Disciplines
  • Physics

Abstract

Abstract We report a first-principles density functional theory study on the electronic and magnetic properties of transition-metal-doped β-Ge 3N 4. Transition-metal atoms are found to strongly prefer to occupy substitutional sites and attract each other. The V- and Cr-doped Ge 3N 4 are ferromagnetic semiconductors; whereas, the Mn- and Fe-doped compounds are ferromagnetic half metals.

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