小胶体II-VI半导体纳米晶体的声子光谱

International Journal of Spectroscopy Pub Date : 2012-09-14 DOI:10.1155/2012/532385

V. Dzhagan, M. Valakh, N. Mel’nik, Olexandra Rayevska, I. Lokteva, J. Kolny-Olesiak, D. Zahn

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引用次数: 22

摘要

共振拉曼光谱被用于探索几种II-VI纳米晶体(NCs)的一阶和高阶声子光谱，目的是更好地理解声子模式的本质，并形成对半导体NCs振动谱的统一看法。特别是，除了前面讨论的TO、SO、LO和2LO模式外，还有TO的组合模式

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Phonon Spectra of Small Colloidal II-VI Semiconductor Nanocrystals

Resonant Raman spectroscopy has been employed to explore the first- and higher-order phonon spectra of several kinds of II-VI nanocrystals (NCs), with the aim of better understanding of the nature of phonon modes and forming a unified view onto the vibrational spectrum of semiconductor NCs. Particularly, besides the previously discussed TO, SO, LO, and 2LO modes, the combinational modes of TO

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International Journal of Spectroscopy

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