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Temperature dependence of photoluminescence from self-organized Ge quantum dots with large size and low density

โœ Scribed by Hui Li; Tao He; LongGui Dai; XiaoLi Wang; WenXin Wang; Hong Chen


Book ID
107363899
Publisher
Science in China Press (SCP)
Year
2011
Tongue
English
Weight
442 KB
Volume
54
Category
Article
ISSN
1672-1799

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Abnormal temperature dependent photolumi
โœ X.L. Zhou; Y.H. Chen; J.Q. Liu; B. Xu; X.L. Ye; Z.G. Wang ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 528 KB

We have investigated temperature dependent photoluminescence of both buried and surface selfassembled InAs/GaAs quantum dots with an areal density up to $ 10 11 /cm 2 . Different from the buried quantum dots, the peak energy of surface quantum dots shows a blueshift relative to the bulk material var