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 language | English |
|---|---|
| Title of host publication | Proceedings of SPIE - The International Society for Optical Engineering |
| Pages | 350-356 |
| Number of pages | 7 |
| Volume | 3283 |
| DOIs | |
| State | Published - Dec 1 1998 |
| Externally published | Yes |
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