Abstract
Luminescence far above the excitation energy is observed at GaAs- GaInP2 interfaces. The intensity of this up-converted signal varies superlinearly with excitation density. Up-converted photoluminescence excitation spectroscopy shows that the signal disappears if the excitation energy is tuned below the GaAs band gap. It is concluded that cold Auger processes and the presence of metastable states in the GaInP2, induced by residual CuPt ordering, cause this nonlinear effect at these type I interfaces.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9:40 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 3, 2024, 4:53 a.m.) |
Indexed | 1 year ago (Aug. 22, 2024, 12:44 a.m.) |
Issued | 29 years, 9 months ago (Nov. 6, 1995) |
Published | 29 years, 9 months ago (Nov. 6, 1995) |
Published Print | 29 years, 9 months ago (Nov. 6, 1995) |
@article{Driessen_1995, title={High-efficiency energy up-conversion at GaAs-GaInP2 interfaces}, volume={67}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.114793}, DOI={10.1063/1.114793}, number={19}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Driessen, F. A. J. M.}, year={1995}, month=nov, pages={2813–2815} }