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Magnetic properties of Fe3O4 surface

  • V. N. Petrov
  • A. B. Ustinov
Article
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Abstract

The magnetic properties of the magnetite Fe3O4(110) surface have been studied by spin resolved Auger electron spectroscopy (SRAES). Experimental spin resolved Auger spectra are presented. The results of calculation of Auger lines polarization carried out on the basis of electronic state density are presented. Problems related to magnetic moments of bivalent (Fe2+) and trivalent (Fe3+) ions on the Fe3O4(110) surface are discussed. It is established that the deposition of a thin bismuth film on the surface results in significant growth of polarization of iron Auger peaks, which is due to additional spin-orbit scattering of electrons by bismuth atoms.

Keywords

Magnetite Bismuth Surface Investigation Neutron Technique Auger Spectrum 
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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • V. N. Petrov
    • 1
  • A. B. Ustinov
    • 1
  1. 1.St. Petersburg State Polytechnic UniversitySt. PetersburgRussia

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