Zhuchenko, Z.Ya.; Tarasov, G.G.; Lavorik, S.R.; Mazur, Yu.I.; Valakh, M.Ya.; Kissel, H.; Masselink, W.T.; Mueller, U.; Walther, C.
(Semiconductor Physics Quantum Electronics & Optoelectronics, 1999)
A photoluminescence (PL) study of pseudomorphic modulation-doped AlxGa₁₋xAs/Iny Ga₁₋yAs/GaAs heterostructures possessing high electron density shows a fundamental change of the PL spectrum under excitation density increase. ...