搜索结果: 1-15 共查到“理论物理学 GaAs”相关记录26条 . 查询时间(0.098 秒)
Suppression of nuclear spin diffusion at a GaAs/AlGaAs interface measured with a single quantum dot nano-probe
Suppression of nuclear spin GaAs/AlGaAs interface quantum dot nano-probe
2010/4/8
Nuclear spin polarization dynamics are measured in optically pumped individual GaAs/AlGaAs interface quantum dots by detecting the time-dependence of the Overhauser shift in photoluminescence (PL) spe...
Prediction of the Pressure-Induced Phase Transition in GaAs by the Positron Affinity
Positron affinity phase transition band structure semiconductor
2010/4/8
The thermalized positron charge distribution is calculated as a function of pressure variation in GaAs. Calculations have been carried out via the independent particle method (IPM) coupled with the em...
Properties of Excitons Bound to Neutral Donors in
GaAs-AlxGa1-xAs Quantum-Well Wires
quantum-well wires excitons bound to a neutral donor binding energy
2007/8/15
2006Vol.45No.5pp.945-949DOI:
Properties of Excitons Bound to Neutral Donors in
GaAs-AlxGa1-xAs Quantum-Well Wires
DI Bing and LIU Jian-Jun
College of Physics, Hebei Nor...
Coherent Interband and Intersubband Dynamics in Terahertz-Driven
GaAs Quantum Wells
terahertz quantum well optical absorption
2007/8/15
2005Vol.44No.5pp.941-947DOI:
Coherent Interband and Intersubband Dynamics in Terahertz-Driven
GaAs Quantum Wells
MI Xian-Wu,1,2 PENG Jin-Zhang,1 LI De-Jun,1 and ZHAO He-Ping1
...
Real-Code Genetic Algorithm for Ground State Energies of Hydrogenic Donors
in GaAs-(Ga,Al)As Quantum Dots
ground state energy quantum dots real-code genetic algorithms
2007/8/15
2005Vol.44No.4pp.727-730DOI:
Real-Code Genetic Algorithm for Ground State Energies of Hydrogenic Donors
in GaAs-(Ga,Al)As Quantum Dots
YAN Hai-Qing,1 TANG Chen,1,2 LIU Ming,1 and...
Adsorption of Fe on GaAs (100) Surface
chemisorption supercell interaction low index single crystal surfaces
2007/8/15
2003Vol.39No.4pp.473-476DOI:
Adsorption of Fe on GaAs (100) Surface
WEI Shu-Yi, MA Li, WANG Jian-Guang, and WANG Tian-Xing
College of Physics & Information Engineering, ...
Vibration Spectrums of Polar Interface Optical Phonons in GaAs/AlAs Cylindrical Quantum Dots
phonon modes vibration spectrums cylindrical quantum dots
2007/8/15
2005Vol.43No.2pp.333-336DOI:
Vibration Spectrums of Polar Interface Optical Phonons in GaAs/AlAs Cylindrical Quantum Dots
ZHANG Li
School of Physics, Peking University, ...
近日，由我所李天信博士后负责承担的上海市纳米专项“In(Ga)As/GaAs量子点的生长、表面局域电流及离子注入改性研究”顺利通过专家组验收。项目组通过对异质外延的量子点生长动力学和摸索和掌握，应用分子束外延方法在GaAs衬底上生长了InAs表面量子点和In(Ga)As5～10层嵌埋量子点。获得了高密度、尺寸相对均匀的量子点样品。通过在原子力显微镜上加装电流模块，选择使用导电微悬背，对In(Ga)...
本所博士后李天信同志提出的“In(Ga)As/GaAS量子点的生长、表面局域电流及离子注入改性研究”获得2003年上海市纳米专项基金资助。李天信同志提出将近年来发展很快的纳米表征技术－－扫描探针显微术引入到半导体表面量子点的局部电特性测量领域；并利用合适的离子注入实现对量子点的物性调控以获得材料光电性能的提高，为新型的光电子器件提供性能优化的实验基础。
期刊信息
篇名
Structure and Photoluminescence Study of InGaAs/GaAs Quantum Dots Grown via Cycled (InAs)n/(GaAs)n Monolayer Deposition
语种
英文
撰写或编译
撰写
作者
Jun He*,Xiao-Dong Wang,Bo Xu,Zhanguo Wang and Sheng-Ch...
期刊信息
篇名
A novel line-order of InAs quantum dots on GaAs
语种
英文
撰写或编译
撰写
作者
X.Q. Meng*,P. Jin,B. Xu,C.M. Li,C.Y. Zhang,Z.G. Wang
第一作者单位
Institute of Semiconductors, Chinese Academy of Sciences
刊物名称
J. C...
期刊信息
篇名
Structural and photoluminescence properties of upper In(Ga)As quantum dots on different seed layer with thin GaAs spacer layer
语种
英文
撰写或编译
撰写
作者
J.He*,Y.C.Zhang,B.Xu,Z.G.Wang
第一作者单位
Institute ...
期刊信息
篇名
High-power and long-lifetime InAs/GaAs quantum-dot laser at 1080nm
语种
英文
撰写或编译
撰写
作者
Hui-Yun Liu*,Bo Xu,Yong-Qiang Wei,Ding Ding,Jia-Jun Qian,Qin Han,Ji-Ben Liang,and Zhan-Guo Wang
第一作者单位
Inst...
期刊信息
篇名
Photoluminescence study of self-assembled InAs/GaAs quantum dots covered by InAlAs and InGaAs combination layer
语种
英文
撰写或编译
撰写
作者
Z.Y. Zhang*,B. Xu,P. Jin,X.Q. Meng,Ch.M. Li,X.L.Ye,Z.G. Wang
第...
Effect of InAlAs/InGaAs cap layer on optical properties of self-assembled InAs/GaAs quantum dots
2007/7/28
期刊信息
篇名
Effect of InAlAs/InGaAs cap layer on optical properties of self-assembled InAs/GaAs quantum dots
语种
英文
撰写或编译
撰写
作者
Z.Y. Zhang*,B. Xu,P. Jin,X.Q. Meng,Ch.M. Li,X.L.Ye,D.B. Li Z.G. Wang
第一作者单位
I...