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Size dependent acoustic phonon dynamics of nanoparticles in borosilicate glass
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Image of FIG. 1.
FIG. 1.

Spheroidal mode frequency for free nanoparticles vs using Lamb’s model. dotted line: , ; dashed line: , ; solid line: , .

Image of FIG. 2.
FIG. 2.

Effect of borosilicate glass on the lowest spheroidal mode. Solid line: Lamb’s model; dotted line: CSM; Dashed line: CFM.

Image of FIG. 3.
FIG. 3.

Mean square displacement of spheroidal and torsional phonon modes for embedded nanoparticles obtained using CSM. Solid curves and dotted curves represent longitudinal and transverse waves, respectively.

Image of FIG. 4.
FIG. 4.

Acoustic mode frequencies for borosilicate embedded nanoparticles vs ; CSM represents calculated values as the result of the CSM (Raman Spectra). Raman and pump-probe data from Ref. 23 are also shown.

Image of FIG. 5.
FIG. 5.

Dependence of the FWHM on of the , spheroidal phonon mode. Raman and pump-probe data from Ref. 23 are also shown.

Image of FIG. 6.
FIG. 6.

Size dependence of the damping time of spheroidal modes of embedded nanoparticle. Dotted line: , and solid line: , .


Generic image for table
Table I.

Eigenfrequencies of spheroidal modes (in ) of radius -borosilicate nanoparticle.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Size dependent acoustic phonon dynamics of CdTe0.68Se0.32 nanoparticles in borosilicate glass