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- W2079223657 abstract "Absorption, photoluminescence, and Raman scattering studies of CdS<SUB>x</SUB>Se<SUB>1-x</SUB> nanocrystals, as a function of the crystallite mean radius, are reported. By properly considering the competing effects of spatial localization and strain, the chemical composition and the lattice contraction are assessed. Two different techniques have been used to analyze the electron-phonon coupling. Photoluminescence and absorption studies allow us to measure the Huang-Rhys parameter. The size dependence of the Frohlich electron-LO phonon interaction has been extracted, for the first time, from the polarization analysis of the Raman scattering. Our results unambiguously show that, in the investigated nanocrystal size range, the electron-phonon coupling monotonically increases at decreasing the nanocrystal radius. The observed behavior is in agreement with the latest calculations." @default.
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- W2079223657 date "1995-11-03" @default.
- W2079223657 modified "2023-10-17" @default.
- W2079223657 title "Optical phonons and electron-phonon coupling in CdS x Se 1-x quantum dots" @default.
- W2079223657 doi "https://doi.org/10.1117/12.226211" @default.
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