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Double exchange and superexchange in a ferrimagnetic half-metal

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    0134136 - FZU-D 20030025 RIV US eng J - Journal Article
    Loos, Jan - Novák, Pavel
    Double exchange and superexchange in a ferrimagnetic half-metal.
    Physical Review. B. Roč. 66, č. 13 (2002), s. 132403-1 - 132403-4. ISSN 0163-1829
    R&D Projects: GA ČR GA202/00/1601
    Institutional research plan: CEZ:AV0Z1010914
    Keywords : magnetite * double exchange
    Subject RIV: BM - Solid Matter Physics ; Magnetism
    Impact factor: 3.327, year: 2002

    The mean field theory proposed originally by Kubo and Ohata for manganites is generalized for a ferrimagnetic galf-metal and applied to the magnetite. The relevance of both the double exchange interaction and the superexcahnge one for the spin ordering in the conducting B sublattice of magnetite is shown.
    Permanent Link: http://hdl.handle.net/11104/0032062

     
     

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