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Spin-resolved photoelectron spectroscopy of the MgO/Fe(110) system

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2006

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Güntherodt, Gernot

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-53107
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https://doi.org/10.1007/s00339-005-3447-2
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Applied Physics / A, Materials Science and Processing. 2006, 82, pp. 489-493. Available under: doi: 10.1007/s00339-005-3447-2

Zusammenfassung

The surface structure and electronic properties of ultrathin MgO layers grown on epitaxial Fe(110) films were investigated at room temperature by means of electron diffraction, Auger electron spectroscopy, scanning tunneling microscopy, and spin-resolved photoelectron spectroscopy. The spin polarization at the Fermi level (EF) of the Fe(110) film decreases sharply with increasing thickness of the MgO layer. This behavior arises from the formation of a thin FeO layer at the MgO(111)/Fe(110) interface, as revealed by structural and spectroscopic investigations. The strong attenuation of the intrinsic spin polarization is qualitatively attributed to the scattering of spin-polarized electrons at the unoccupied d-orbitals of Fe2+.

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530 Physik

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ISO 690DEDKOV, Yuriy S., Mikhail FONIN, Ulrich RÜDIGER, Gernot GÜNTHERODT, 2006. Spin-resolved photoelectron spectroscopy of the MgO/Fe(110) system. In: Applied Physics / A, Materials Science and Processing. 2006, 82, pp. 489-493. Available under: doi: 10.1007/s00339-005-3447-2
BibTex
@article{Dedkov2006Spinr-9244,
  year={2006},
  doi={10.1007/s00339-005-3447-2},
  title={Spin-resolved photoelectron spectroscopy of the MgO/Fe(110) system},
  volume={82},
  journal={Applied Physics / A, Materials Science and Processing},
  pages={489--493},
  author={Dedkov, Yuriy S. and Fonin, Mikhail and Rüdiger, Ulrich and Güntherodt, Gernot}
}
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