SEMI OpenIR  > 中科院半导体材料科学重点实验室
Sequential coupling transport for the dark current of quantum dots-in-well infrared photodetectors
Lin L (Lin L.); Zhen HL (Zhen H. L.); Li N (Li N.); Lu W (Lu W.); Weng QC (Weng Q. C.); Xiong DY (Xiong D. Y.); Liu FQ (Liu F. Q.); Lu, W, Chinese Acad Sci, Natl Lab Infrared Phys, Shanghai Inst Tech Phys, Shanghai 200083, Peoples R China. 电子邮箱地址: luwei@mail.sitp.ac.cn
2010
Source PublicationAPPLIED PHYSICS LETTERS
Volume97Issue:19Pages:Art. No. 193511
AbstractThe dark current characteristics and temperature dependence for quantum dot infrared photodetectors have been investigated by comparing the dark current activation energies between two samples with identical structure of the dots-in-well in nanoscale but different microscale n-i-n environments. A sequential coupling transport mechanism for the dark current between the nanoscale and the microscale processes is proposed. The dark current is determined by the additive mode of two activation energies: E-a,E-micro from the built-in potential in the microscale and E-a,E-nano related to the thermally assisted tunneling in nanoscale. The activation energies E-a,E-micro and E-a,E-nano decrease exponentially and linearly with increasing applied electric field, respectively.
metadata_24国内
KeywordDetectors
Subject Area半导体材料
Funding OrganizationThis work was financially supported by the National Basic Research Program of China (Grant No. 2006CB921507), National Science Foundation of China (Grant Nos. 10990100 and 60906058), and Shanghai Committee of Science and Technology (Grant No. 08DZ1400701).
Indexed BySCI
Language英语
Date Available2010-12-12
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/20667
Collection中科院半导体材料科学重点实验室
Corresponding AuthorLu, W, Chinese Acad Sci, Natl Lab Infrared Phys, Shanghai Inst Tech Phys, Shanghai 200083, Peoples R China. 电子邮箱地址: luwei@mail.sitp.ac.cn
Recommended Citation
GB/T 7714
Lin L ,Zhen HL ,Li N ,et al. Sequential coupling transport for the dark current of quantum dots-in-well infrared photodetectors[J]. APPLIED PHYSICS LETTERS,2010,97(19):Art. No. 193511.
APA Lin L .,Zhen HL .,Li N .,Lu W .,Weng QC .,...&Lu, W, Chinese Acad Sci, Natl Lab Infrared Phys, Shanghai Inst Tech Phys, Shanghai 200083, Peoples R China. 电子邮箱地址: luwei@mail.sitp.ac.cn.(2010).Sequential coupling transport for the dark current of quantum dots-in-well infrared photodetectors.APPLIED PHYSICS LETTERS,97(19),Art. No. 193511.
MLA Lin L ,et al."Sequential coupling transport for the dark current of quantum dots-in-well infrared photodetectors".APPLIED PHYSICS LETTERS 97.19(2010):Art. No. 193511.
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