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Photoluminescence in highly excited GaSe

  • A. Mercier
  • J. P. Voitchovsky
  • E. Mooser
  • A. Baldereschi
Stimulated Photoluminescence
Part of the Lecture Notes in Physics book series (LNP, volume 57)

Abstract

The photoluminescence of GaSe at high excitation intensities is reported. Four lines, whose intensity increases superlinearly with excitation, are resolved and their behaviour is investigated as function of excitation intensity, excitation frequency and temperature. According to their spectral position and their behaviour, two lines are attributed to different exciton-exciton scattering processes while the remaining two which give rise to spontaneous and stimulated emission, respectively, are tentatively attributed to exciton-carrier scattering.

Keywords

Luminescence Spectrum Excitation Frequency Excitation Intensity Energy Position Spectral Position 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1976

Authors and Affiliations

  • A. Mercier
    • 1
  • J. P. Voitchovsky
    • 1
  • E. Mooser
    • 1
  • A. Baldereschi
    • 1
  1. 1.Laboratoire de Physique AppliquéeEPF-LausanneSwitzerland

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