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Effective channels of breaking the phonon bottleneck: A lattice relaxation approach
Wang ZW; Li SS; Wang, ZW (reprint author), Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China, zwwang@semi.ac.cn
2011
Source PublicationJOURNAL OF APPLIED PHYSICS
ISSN0021-8979
Volume110Issue:4Pages:43512
AbstractWe theoretically study the relaxation of electron orbital states of a quantum dot due to two-phonon processes by applying a lattice relaxation approach based on a multimode description for the electron-phonon interaction. The fast relaxation time is obtained in a large energy detuning around the longitudinal optical phonon energy. This model offers an effective channel to break the phonon bottleneck. We calculate the lattice temperature and energy separation dependence of the relaxation time for different two-phonon scattering channels and obtain a good agreement with the available experimental measurement for the phonon bottleneck in quantum dots. (C) 2011 American Institute of Physics. [doi:10.1063/1.3624610]
metadata_83半导体超晶格国家重点实验室
KeywordQuantum Dots Energy-relaxation Electron Relaxation
Subject Area半导体物理
Funding OrganizationNational Basic Research Program of China (973 Program)[G2009CB929300]; National Natural Science Foundation of China[60821061]
Indexed BySCI
Date Available2012-01-06
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/22673
Collection半导体超晶格国家重点实验室
Corresponding AuthorWang, ZW (reprint author), Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China, zwwang@semi.ac.cn
Recommended Citation
GB/T 7714
Wang ZW,Li SS,Wang, ZW . Effective channels of breaking the phonon bottleneck: A lattice relaxation approach[J]. JOURNAL OF APPLIED PHYSICS,2011,110(4):43512.
APA Wang ZW,Li SS,&Wang, ZW .(2011).Effective channels of breaking the phonon bottleneck: A lattice relaxation approach.JOURNAL OF APPLIED PHYSICS,110(4),43512.
MLA Wang ZW,et al."Effective channels of breaking the phonon bottleneck: A lattice relaxation approach".JOURNAL OF APPLIED PHYSICS 110.4(2011):43512.
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