AIP Advances (Sep 2012)

Nitrogen induced ferromagnetism in Cobalt doped BaTiO3

  • Chandrima Mitra

DOI
https://doi.org/10.1063/1.4747820
Journal volume & issue
Vol. 2, no. 3
pp. 032148 – 032148-6

Abstract

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The electronic structure and magnetism of Cobalt doped BaTiO3 (BaTi1−xCoxO3) is investigated. Substitutional Nitrogen on an Oxygen site is found to play an important role in inducing net magnetic moments in the system. The presence of a Nitrogen atom as nearest neighbour to a Cobalt atom is crucial in producing spin splitting of both the Nitrogen and Cobalt states thereby introducing a net local magnetic moment. The introduction of Nitrogen is further found to enhance ferromagnetic interactions between Cobalt atoms.