Abstract
The photoluminescence (PL) emission from InGaAs/GaAs quantum-well and quantum-dot (QD) structures are compared after controlled irradiation with 1.5 MeV proton fluxes. Results presented here show a significant enhancement in radiation tolerance with three-dimensional quantum confinement. Some additional radiation-induced changes in photocarrier recombination from QDs, which include a slight increase in PL emission with low and intermediate proton doses, are also examined.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2074-2076 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 76 |
| Issue number | 15 |
| DOIs | |
| State | Published - Apr 10 2000 |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)
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