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Bandgap renormalization: GaAs/AlGaAs quantum wells

  • Eric D. Jones
  • , Mark Blount
  • , Weng W. Chow
  • , Hong Q. Hou
  • , Jerry A. Simmons
  • , Yongmin Kim
  • , Thomas Schmiedel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

Bandgap energy renormalization by many-body interactions has been studied in a series of n-type 8-nm-wide GaAs/AlGaAs single quantum wells using magnetoluminescence spectroscopy at 1.4 K and for magnetic fields up to 30 T. The 2D-carrier densities varied between 1 and 12 × 1011cm -2. At the maximum 2D-carrier density, the bandgap energy difference between the doped and undoped samples was about 34 meV. ©2003 Copyright SPIE - The International Society for Optical Engineering.
Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Pages350-356
Number of pages7
Volume3283
DOIs
StatePublished - Dec 1 1998
Externally publishedYes

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