Ultrafast carrier-carrier scattering in AlxGa1-xAs/GaAs quantum wells

標題:	Ultrafast carrier-carrier scattering in AlxGa1-xAs/GaAs quantum wells
作者:	Sun, KW Song, TS Sun, CK Wang, JC Wang, SY Lee, CP 電子工程學系及電子研究所 Department of Electronics Engineering and Institute of Electronics
關鍵字:	carrier-carrier scattering;LO phonon emission;nonthermal carrier distributions
公開日期:	1-Dec-1999
摘要:	We present new time-resolved measurements that demonstrate the effect of injected carrier densities on carrier-carrier scattering rates of a highly nonequilibrium carrier distribution in the p-doped Al0.32Ga0.68As/GaAs quantum wells. The initially photoexcited nonthermal carrier distribution is quickly broadened due to rapid increase of the inelastic carrier-carrier scattering as the injected carrier densities increased toward 10(11) cm(-2). (C) 1999 Elsevier Science B.V. All rights reserved.
URI:	http://dx.doi.org/10.1016/S0921-4526(99)00386-5 http://hdl.handle.net/11536/30922
ISSN:	0921-4526
DOI:	10.1016/S0921-4526(99)00386-5
期刊:	PHYSICA B
Volume:	272
Issue:	1-4
起始頁:	387
結束頁:	390
Appears in Collections:	Conferences Paper

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