Spin-Polarized Standing Waves in the Fermi Surface of a Ferromagnetic Thin Film

J. Schaefer; M. Hoinkis; Eli Rotenberg; P. Blaha; R. Claessen

Spin-Polarized Standing Waves in the Fermi Surface of a Ferromagnetic Thin Film

Other Condensed Matter 2007-05-23 v1

Authors: J. Schaefer , M. Hoinkis , Eli Rotenberg , P. Blaha , R. Claessen

Abstract

The spin-selective electron reflection at a ferromagnetic-paramagnetic interface is investigated using Fe films on a W(110) substrate. Angle-resolved photoemission of the majority and minority Fermi surfaces of the Fe film is used to probe standing wave formation. Intense quantum well states resulting from interfacial reflection are observed exclusively for majority states. Such high spin polarization is explained by the Fermi surface topology of the connecting substrate, and we argue that Fe/W is a particularly suitable interface for that purpose.

Keywords

spin-polarized standing waves ferromagnetic thin film Fermi surface quantum well states ARPES

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@article{arxiv.cond-mat/0504670,
  title  = {Spin-Polarized Standing Waves in the Fermi Surface of a Ferromagnetic Thin Film},
  author = {J. Schaefer and M. Hoinkis and Eli Rotenberg and P. Blaha and R. Claessen},
  journal= {arXiv preprint arXiv:cond-mat/0504670},
  year   = {2007}
}

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4 pages, 4 figures

Spin-Polarized Standing Waves in the Fermi Surface of a Ferromagnetic Thin Film

Abstract

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