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	Comparative study on the broadening of exciton luminescence linewidth due to phonon in zinc-blende and wurtzite gan epilayers
	Xu, SJ; Zheng, LX; Cheung, SH; Xie, MH; Tong, SY; Yang, H
刊名	Applied physics letters
	2002-12-02
卷号	81期号:23页码:4389-4391
ISSN号	0003-6951
DOI	10.1063/1.1526450
通讯作者	Xu, sj()
英文摘要	Linewidth broadening of exciton luminescence in wurtzite and zinc-blende gan epilayers was investigated as a function of temperature with photoluminescence. a widely accepted theoretical model was used to fit the experimental data, so that the coupling parameters between exciton and acoustic and longitudinal optical phonons were obtained for both structures. it was found that the coupling constants of both exciton-acoustic optical phonon coupling and exciton-longitudinal optical phonon coupling for zinc-blende gan are almost twice as much as the corresponding values of wurtzite gan. these results show that the relatively strong exciton-phonon scattering seems to be characteristic to zinc-blende gan film. (c) 2002 american institute of physics.
WOS关键词	MOLECULAR-BEAM EPITAXY ; VAPOR-PHASE EPITAXY ; CUBIC GAN ; BINDING-ENERGY ; PHOTOLUMINESCENCE ; PRESSURE ; ELECTRON ; GAAS ; ALN
WOS研究方向	Physics
WOS类目	Physics, Applied
语种	英语
出版者	AMER INST PHYSICS
WOS记录号	WOS:000179481900026
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2429190
专题	半导体研究所
通讯作者	Xu, SJ
作者单位	1.Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China 2.Univ Hong Kong, HKU, CAS, Joint Lab New Mat, Hong Kong, Hong Kong, Peoples R China 3.Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Xu, SJ,Zheng, LX,Cheung, SH,et al. Comparative study on the broadening of exciton luminescence linewidth due to phonon in zinc-blende and wurtzite gan epilayers[J]. Applied physics letters,2002,81(23):4389-4391.
APA	Xu, SJ,Zheng, LX,Cheung, SH,Xie, MH,Tong, SY,&Yang, H.(2002).Comparative study on the broadening of exciton luminescence linewidth due to phonon in zinc-blende and wurtzite gan epilayers.Applied physics letters,81(23),4389-4391.
MLA	Xu, SJ,et al."Comparative study on the broadening of exciton luminescence linewidth due to phonon in zinc-blende and wurtzite gan epilayers".Applied physics letters 81.23(2002):4389-4391.

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