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請使用永久網址來引用或連結此文件: http://ir.ncue.edu.tw/ir/handle/987654321/16727

題名: State Filling, Coulomb, and Trapping Effects in the Optical Nonlinearity of CdTe Quantum Dots in Glass
作者: V. Esch;B. Fluegel;G. Khitrova;H. M. Gibbs;Xu Jiajin;K. Kang;S. W. Koch;Liu, Li‐Chi;S. H. Risbud;N. Peyghambarian
貢獻者: 物理學系
日期: 1990-10
上傳時間: 2013-06-05T07:45:48Z
出版者: The American Physical Society
摘要: Microcrystallites of CdTe were grown in a special-formula glass, yielding CdTe dots; the linear-absorption spectrum exhibits as many as six quantum-confinement peaks. Excitation of the sample with pulses ranging from femtoseconds to microseconds has allowed us to distinguish between various mechanisms for optical nonlinearity. At very early times, phase-space filling and Coulomb interaction between the excited charged carriers is responsible for the absorption changes, δα. At later times, Coulomb effects due to trapped carriers remain and last for nanoseconds or microseconds.
關聯: Physical Review B, 42(12): 7450-7453
顯示於類別:[物理學系] 期刊論文

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