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Donor metastable states and resonant electron-phonon interaction in n-GaAs

P. Barmby, C. Foxon, T. Klaassen, 1994 .

Excite-Probe Determination of the Intersubband Lifetime in Wide Gaas/Algaas Quantum-Wells Using a Far-Infrared Free-Electron Laser

Erich Gornik, Carl R. Pidgeon, Karl Unterrainer, 1994 .