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	Occupation modulation of higher subbands in a three-barrier tunnelling structure with a magnetic field
	An, L; Tang, Y; Zheng, HZ; Zhang, JD; Tan, PH; Yang, FH; Ji, Y; Chen, YZ
刊名	Chinese physics letters
	2002-10-01
卷号	19期号:10页码:1509-1512
ISSN号	0256-307X
通讯作者	Zheng, hz()
英文摘要	We verify that the magnetic suppression of intersubband lo or la phonon scattering can give rise to a noticeable nonthermal occupation in higher-lying subbands. this is clearly determined by the relative intensity ratio of the interband photoluminescence spectra for the e-2 - hh1 and e-1 - hh1 transitions. the observed phenomenon may provide an effective method to control the intersubband scattering rate, which is a key factor of the so-called quantum cascade lasers. this is helpful for the population inversion between both the subbands in quantum wells.
WOS关键词	QUANTUM-WELLS ; SEMICONDUCTOR SUPERLATTICES ; POPULATION-INVERSION ; TUNNELING STRUCTURE ; ELECTRON ; EMISSION ; LASER
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
语种	英语
出版者	CHINESE PHYSICAL SOC
WOS记录号	WOS:000178755700033
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2429133
专题	半导体研究所
通讯作者	Zheng, HZ
作者单位	Chinese Acad Sci, Inst Semicond, Natl Lab Superlattices & Microstruct, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	An, L,Tang, Y,Zheng, HZ,et al. Occupation modulation of higher subbands in a three-barrier tunnelling structure with a magnetic field[J]. Chinese physics letters,2002,19(10):1509-1512.
APA	An, L.,Tang, Y.,Zheng, HZ.,Zhang, JD.,Tan, PH.,...&Chen, YZ.(2002).Occupation modulation of higher subbands in a three-barrier tunnelling structure with a magnetic field.Chinese physics letters,19(10),1509-1512.
MLA	An, L,et al."Occupation modulation of higher subbands in a three-barrier tunnelling structure with a magnetic field".Chinese physics letters 19.10(2002):1509-1512.

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