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Effects of alloying and localized electronic states on the resonant Raman spectra of nanocrystals
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View: Figures


Image of FIG. 1.
FIG. 1.

(Color online) (a) Normalized resonant Raman scattering and (b) cathodoluminescence spectra of the annealed samples (samples B–F). The inset of (b) shows the dependence of band gap on the Mg composition, and the solid line represents the best fit to Eq. (1) in Ref. 15.

Image of FIG. 2.
FIG. 2.

(Color online) The RRS spectra of samples A–F. The asymmetry parameters of the 1LO phonon line shape are shown in the inset.

Image of FIG. 3.
FIG. 3.

(Color online) 1LO phonon line position as a function of alloy composition ; the solid and dashed lines are the fits of MREI model and Eq. (1). The scattered data points are obtained from this study and Refs. 7–9.

Image of FIG. 4.
FIG. 4.

(Color online) Relative intensity of 2LO as a function of the excitonic energy level. The square dots are experimental data and the curve represents a theoretical fit of Eq. (2).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effects of alloying and localized electronic states on the resonant Raman spectra of Zn1−xMgxO nanocrystals