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Spin-resolved photoelectron spectroscopy of rare-earth overlayers on rare-earth and d-metal substrates

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2008

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Molodtsov, Serguei L.
Laubschat, Clemens
Voloshina, Elena N.
Kucherenko, Yuriy

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https://doi.org/10.1016/j.jmmm.2008.02.153
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Journal of Magnetism and Magnetic Materials. Elsevier. 2008, 320(14), pp. e231-e234. ISSN 0304-8853. eISSN 1873-4766. Available under: doi: 10.1016/j.jmmm.2008.02.153

Zusammenfassung

Spin- and angle-resolved photoelectron spectroscopy was applied for studies of electronic and magnetic structures of Eu/Gd and Ce/Fe. Ferromagnetic coupling of 4f moments of Eu and Gd was found in the 1 ML Eu/Gd(0 0 0 1) system with high net Eu magnetization at low temperatures reflected by a spin polarization of ∼15% of the Eu 4f state. In case of the 1 ML Ce/Fe(1 1 0) system the antiparallel orientation of the Ce 4f spins with respect to the magnetization direction of the Fe substrate was observed. Very different shapes of the spin-up and spin-down Ce 4f spectral weights can be explained within periodic Anderson model by spin-dependent hybridization between Ce localized 4f and itinerant valence band states.

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ISO 690DEDKOV, Yuriy S., Serguei L. MOLODTSOV, Clemens LAUBSCHAT, Mikhail FONIN, Ulrich RÜDIGER, Elena N. VOLOSHINA, Yuriy KUCHERENKO, 2008. Spin-resolved photoelectron spectroscopy of rare-earth overlayers on rare-earth and d-metal substrates. In: Journal of Magnetism and Magnetic Materials. Elsevier. 2008, 320(14), pp. e231-e234. ISSN 0304-8853. eISSN 1873-4766. Available under: doi: 10.1016/j.jmmm.2008.02.153
BibTex
@article{Dedkov2008Spinr-58604,
  year={2008},
  doi={10.1016/j.jmmm.2008.02.153},
  title={Spin-resolved photoelectron spectroscopy of rare-earth overlayers on rare-earth and d-metal substrates},
  number={14},
  volume={320},
  issn={0304-8853},
  journal={Journal of Magnetism and Magnetic Materials},
  pages={e231--e234},
  author={Dedkov, Yuriy S. and Molodtsov, Serguei L. and Laubschat, Clemens and Fonin, Mikhail and Rüdiger, Ulrich and Voloshina, Elena N. and Kucherenko, Yuriy}
}
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