supported by the National Natural Science Foundation of China (Grant No 60776044);the Natural Science Foundation of Shandong Province,China (Grant No 2006ZRA10001)
This paper studies the dynamics of intra-acceptor hole relaxation in Be δ-doped GaAs/AlAs multiple quantum wells (MQW) with doping at the centre by time-resolved pump-probe spectroscopy using a picosecond free elec...
the National Natural Science Foundation of China(No.60776044);the Natural Science Foundation of Shandong Province(No.2006ZRA10001)~~
We report photoluminescence studies of internal transitions of shallow Be acceptors in bulk GaAs and a series of S-doped GaAs/ALAs multiple quantum well samples with well width ranging from 3 to 20nm. A series of Be S...