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  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1998),
  • paper QTuG15

Excitonic saturation in ZnSe at low temperatures; blue versus red shift

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Abstract

The Mott transition in bulk semiconductors is well understood as a consequence of screening of the Coulomb interaction between carriers. While the energetic position of the exciton stays nearly unchanged, the exciton peak disappears due to bandgap shrinkage. This was explained qualitatively by a strong compensation of gap shrinkage and weakening of the Coulomb interaction due to screening.

© 1998 Optical Society of America

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