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Spin-orbit splitting in the valence bands of PbSe from angle-resolved uv photoemission

Authors
Journal
Solid State Communications
0038-1098
Publisher
Elsevier
Publication Date
Volume
24
Issue
4
Identifiers
DOI: 10.1016/0038-1098(77)90208-3
Disciplines
  • Physics

Abstract

Abstract Angle-resolved photoelectron spectra of single-crystal PbSe have been measured employing 16.85 eV and 21.22 eV photon energies. Characteristic double peaks in the valence band spectra are attributed to the effect of spin-orbit interaction. The dependence of peak intensities on the photon incidence angle furnishes an additional justification for this interpretation. Experimentally obtained values of the spin-orbit splitting agree well with the prediction of band structure calculations.

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