The interface of the ferromagnetic metal CoS2 and the nonmagnetic semiconductor FeS2

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Abstract

The electronic and magnetic properties of the cubic pyriteCoS2/FeS2interface are studied using the all-electron full-potential linearized augmented plane wave method. We find that this contact between a ferromagneticmetal and a nonmagnetic semiconductor shows a metallic character. The CoS2 stays close to half-metallicity at the interface, while the FeS2 becomes metallic. The magnetic moment of the Co atoms at the interface slightly decreases as compared to the bulk value and a small moment is induced on the Fe atoms. Furthermore, at the interfaceferromagnetic ordering is found to be energetically favorable as compared to antiferromagnetic ordering.
Original languageEnglish (US)
Pages (from-to)183113
JournalApplied Physics Letters
Volume97
Issue number18
DOIs
StatePublished - Nov 6 2010

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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