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Author |
Uchiki, Hisao; Kobayashi, Takayoshi; Sakaki, Hiroyuki |
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Title |
Photoluminescence and energyâ€loss rates in GaAs quantum wells under highâ€density excitation |
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Journal Article |
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Year |
1987 |
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J. Appl. Phys. |
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62 |
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3 |
Pages |
1010-1016 |
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Keywords |
2DEG, GaAs/AlGaAs, heat flow, electron-phonon, hole-phonon, carrier-phonon, interactions |
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Abstract |
The timeâ€resolved luminescence spectra from excited conduction subbands in three samples of multiâ€quantumâ€well GaAs/AlxGa1-xAs (x=0.3 and 1) semiconductors with several well widths and barrier heights were obtained under highâ€density excitations by a 30â€ps pulsed laser at 532 nm, which generated electron–hole pairs to the concentration of 1010–1013/cm2 per well per pulse at 77 K. The temperature and the Fermi energy of electron were determined by fitting best the constructed timeâ€resolved spectrum to the observed, and the timeâ€dependent electron energy was obtained by using these parameters. The energyâ€loss rates of hot electrons are at least twice smaller than the calculated ones induced by the electronâ€polar phonon scattering, including the screening effect due to the high carrier density. |
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635 |
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de Lange, G.; Kuipers, J. J.; Klapwijk, T. M.; Panhuyzen, R. A.; van de Stadt, H.; de Graauw, M. W. M. |
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Title |
Superconducting resonator circuits at frequencies above the gap frequency |
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Journal Article |
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Year |
1995 |
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J. Appl. Phys. |
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77 |
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4 |
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1795-1804 |
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257 |
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Kooi, J. W.; Baselmans, J. J. A.; Hajenius, M.; Gao, J. R.; Klapwijk, T. M.; Dieleman, P.; Baryshev, A.; de Lange, G. |
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Title |
IF impedance and mixer gain of NbN hot electron bolometers |
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Journal Article |
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Year |
2007 |
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J. Appl. Phys. |
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101 |
Issue |
4 |
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044511 |
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0021-8979 |
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RPLAB @ s @ |
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445 |
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