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Phonon Modes in Semiconductor Quantum Dots
並列摘要
Phonon confinement effects are studied in self-assembled close-packed CdS and CdSe colloidal quantum dots using Raman scattering techniques. The longitudinal optical phonon frequency exhibits a red shift compared to the bulk mode in CdS quantum dot due to phonon confinement. High frequency phonon modes that are above the bulk LO phonon frequency are also observed in CdSe quantum dots. The possible origin of these high-frequency modes is attributed to the phonon density of states above the bulk LO frequency due to the surface states of the dots.
並列關鍵字
無資料被引用紀錄
郭秉璋（2012）。基於Histogram of Oriented Gradients之課堂舉手辨識研究〔碩士論文，國立臺灣師範大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0021-1610201315284451
延伸閱讀
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