Half-metallicity at ferromagnetic/antiferromagnetic interfaces in zincblende transition-metal chalcogenides: A full-potential linearized augmented plane-wave study within LDA+U

Kohji Nakamura, Toru Akiyama, Tomonori Ito, Arthur J Freeman

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Electronic structures and half-metallicity at ferromagneticantiferromagnetic (AFM) interfaces in zincblende transition-metal chalcogenides, CrSeMnSe and CrTeMnTe, are investigated by means of the first principles full-potential linearized augmented plane-wave method within the LDA+U, and the effect of correlation in the 3d states on the half-metallic interfaces is discussed. The uncompensated AFM interface with the antiparallel alignment of the Cr and Mn moments at the interfaces shows an excellent half-metallicity, where the correlation effect tends to manifest the half-metallic interfaces. This indicates that these interfaces offer a key ingredient as promising exchange bias candidates in having interfaces with 100% spin polarization at the Fermi level.

Original languageEnglish
Article number07C901
JournalJournal of Applied Physics
Issue number7
Publication statusPublished - 2008


ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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