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The transition from two-stage to three-stage evolution of wetting layer of inas/gaas quantum dots caused by postgrowth annealing
Zhou, G. Y.; Chen, Y. H.; Yu, J. L.; Zhou, X. L.; Ye, X. L.; Jin, P.; Wang, Z. G.
刊名Applied physics letters
2011-02-14
卷号98期号:7页码:3
ISSN号0003-6951
DOI10.1063/1.3552967
通讯作者Chen, y. h.(yhchen@semi.ac.cn)
英文摘要For the inas/gaas quantum dot (qd) system, the evolution of wetting layer (wl) with inas deposition thickness has been studied under different postgrowth annealing (pga) durations using reflectance difference spectroscopy. for the sample without pga, wl thickness remains constant after the formation of qds, exhibiting a typical two-stage evolution, whereas for the samples with pga, wl thickness continuously increases linearly with a reduced slope after the formation of qds and is fixed in ripening growth, indicating a three-stage evolution. by adopting a theoretical model, we have well simulated the two kinds of evolution and found that the variations of qd's morphology and the interaction of qds occurring during pga lead to the different evolution behaviors of wl. (c) 2011 american institute of physics. [doi:10.1063/1.3552967]
WOS关键词SPECTROSCOPY
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:000287507200025
内容类型期刊论文
URI标识http://www.corc.org.cn/handle/1471x/2428443
专题半导体研究所
通讯作者Chen, Y. H.
作者单位Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714
Zhou, G. Y.,Chen, Y. H.,Yu, J. L.,et al. The transition from two-stage to three-stage evolution of wetting layer of inas/gaas quantum dots caused by postgrowth annealing[J]. Applied physics letters,2011,98(7):3.
APA Zhou, G. Y..,Chen, Y. H..,Yu, J. L..,Zhou, X. L..,Ye, X. L..,...&Wang, Z. G..(2011).The transition from two-stage to three-stage evolution of wetting layer of inas/gaas quantum dots caused by postgrowth annealing.Applied physics letters,98(7),3.
MLA Zhou, G. Y.,et al."The transition from two-stage to three-stage evolution of wetting layer of inas/gaas quantum dots caused by postgrowth annealing".Applied physics letters 98.7(2011):3.
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