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Direct Evidence For Itinerant Magnetite Above And Below The Verwey Transition Temperature

Author

Listed:
  • Y. Q. CAI

    (Synchrotron Radiation Research Center, Hsinchu Science-Based Industrial Park, Hsinchu, Taiwan 30077, R.O.C.)

  • K. NAKATSUJI

    (Institute for Solid State Physics, University of Tokyo, Kashiwa-shi, Chiba 277-8581, Japan)

  • S. OHNO

    (Institute for Solid State Physics, University of Tokyo, Kashiwa-shi, Chiba 277-8581, Japan)

  • T. IIMORI

    (Institute for Solid State Physics, University of Tokyo, Kashiwa-shi, Chiba 277-8581, Japan)

  • M. YAMADA

    (Institute for Solid State Physics, University of Tokyo, Kashiwa-shi, Chiba 277-8581, Japan)

  • F. KOMORI

    (Institute for Solid State Physics, University of Tokyo, Kashiwa-shi, Chiba 277-8581, Japan)

Abstract

The valence electronic states ofFe3O4(111)films on Pt(111) were studied using temperature-dependent spin- and angle-resolved photoemission spectroscopy with synchrotron radiation. The majority- and minority-spin partial density of states (DOS) has been obtained at 300 K and 100 K, above and below the Verwey transition temperature(TV~ 120K). The spectra still show substantialk-dependence at 100 K in the3dregion. This provides the most direct experimental evidence that the3delectrons are itinerant even atT

Suggested Citation

  • Y. Q. Cai & K. Nakatsuji & S. Ohno & T. Iimori & M. Yamada & F. Komori, 2002. "Direct Evidence For Itinerant Magnetite Above And Below The Verwey Transition Temperature," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(02), pages 907-912.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:02:n:s0218625x02003147
    DOI: 10.1142/S0218625X02003147
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