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Observation of torsional mode in nanoparticles in a borosilicate glass
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10.1063/1.3171925
/content/aip/journal/jap/106/2/10.1063/1.3171925
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/2/10.1063/1.3171925

Figures

Image of FIG. 1.
FIG. 1.

Low-frequency Raman spectra of nanoparticle embedded in a borosilicate glass: (a) CdSe, (b) , (c) , and (d) . Full curve: total fitted spectrum and dashed curves: individual fitted peaks. The spectra obtained with an unpolarized 488 nm wavelength laser line.

Image of FIG. 2.
FIG. 2.

Low-frequency spectra calculated using the CSM for nanoparticle embedded in a borosilicate glass: (a) CdSe, (b) , (c) , and (d) .

Image of FIG. 3.
FIG. 3.

Polarized low-frequency Raman spectra with a 488 nm laser line of nanoparticle embedded in a borosilicate glass: (a) 2.2 and (b) 4.65 nm sizes. Full curve: total fitted spectrum and dashed curves: individual fitted peaks.

Image of FIG. 4.
FIG. 4.

Polarized low-frequency Raman spectra with a 632.8 nm laser line of nanoparticle embedded in a borosilicate glass: (a) 2.2 and (b) 4.65 nm sizes. Full curve: total fitted spectrum and dashed curves: individual fitted peaks.

Tables

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Table I.

Acoustic phonon frequencies for nanoparticle embedded in a borosilicate glass from low-frequency Raman spectra and theoretical models. In the CSM and CFM cases damping is HWHM.

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Table II.

The sound velocities and for nanoparticles.

Generic image for table
Table III.

Comparison of frequency ratio is the frequency of the , ; SPH mode and is the frequency of the , ; TOR mode.

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/content/aip/journal/jap/106/2/10.1063/1.3171925
2009-07-22
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Observation of torsional mode in CdS1−xSex nanoparticles in a borosilicate glass
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/2/10.1063/1.3171925
10.1063/1.3171925
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