Resonant Raman scattering in CdSxSe1−x nanocrystals: effects of phonon confinement, composition, and elastic strain

ESF Neto, SW Da Silva, PC Morais… - Journal of Raman …, 2011 - Wiley Online Library
Optical phonon modes, confined in CdSxSe1− x nanocrystal (NC) quantum dots (≈ 2 nm in
radius) grown in a glass matrix by the melting‐nucleation method, were studied by resonant …

Resonant Raman studies of compositional and size dispersion of CdS1− xSex nanocrystals in a glass matrix

YM Azhniuk, AG Milekhin, AV Gomonnai… - Journal of Physics …, 2004 - iopscience.iop.org
Resonant Raman scattering spectra of glass-embedded CdS 1− x Se x nanocrystals are
measured and complemented with TEM and optical absorption as well as …

Confinement‐, surface‐ and disorder‐related effects in the resonant Raman spectra of nanometric CdS1−xSex crystals

AV Gomonnai, YM Azhniuk… - … status solidi (b), 2003 - Wiley Online Library
Abstract The Raman spectra of CdS1− xSex nanocrystals, embedded in a borosilicate glass
matrix, are studied, CdS‐like and CdSe‐like LO phonon frequencies being used to …

Vibrational Raman spectra of CdSx Se1‐x magic‐size nanocrystals

V Dzhagan, N Mel'Nik, O Rayevska… - physica status solidi …, 2011 - Wiley Online Library
Resonant Raman scattering spectra of ultrasmall (< 2 nm) magic‐size nanocrystals (NCs)
are reported. The spectra of CdS and CdSx Se1‐x NCs, resonantly excited with 325 nm and …

Phonon spectroscopy of CdSe1–x Tex nanocrystals grown in a borosilicate glass

YM Azhniuk, YI Hutych, VV Lopushansky… - … status solidi c, 2009 - Wiley Online Library
Phonon spectra of CdSe1–x Tex nanocrystals grown in a borosilicate glass matrix, are
studied by Raman spectroscopy. The experimental data are compared to those obtained by …

Optical phonons and Raman scattering in ternary II–VI spheroidal nanocrystals embedded in a glass matrix

AM Alcalde, AA Ribeiro, NO Dantas… - Journal of non …, 2006 - Elsevier
Theoretical and experimental studies of the spatial phonon confinement in ternary
CdSxSe1− x nanocrystals embedded in a glass matrix formed by the composites (40) …

Size dependence of acoustic and optical vibrational modes of CdSe nanocrystals in glasses

L Saviot, B Champagnon, E Duval… - Journal of Non …, 1996 - Elsevier
The size dependence of resonant Raman scattering from acoustic and optical vibrational
modes in CdSe nanocrystals (size less than 10 nm) embedded in a glassy matrix has been …

Temperature dependence of acoustic vibrations of CdSe and CdSe–CdS core–shell nanocrystals measured by low-frequency Raman spectroscopy

AJ Mork, EMY Lee, WA Tisdale - Physical Chemistry Chemical Physics, 2016 - pubs.rsc.org
We measure the temperature dependence of breathing-mode acoustic vibrations of
semiconductor nanocrystals using low-frequency Raman spectroscopy. In CdSe core-only …

Raman scattering in CdTe1-xSex and CdS1-xSex nanocrystals embedded in glass

V Spagnolo, G Scamarcio, M Lugará… - Superlattices and …, 1994 - Elsevier
Raman scattering on a series of glass composite samples containing CdTe 1-x Se x and
CdS 1-x Se x nanocrystals with radii in the range [2nm, 12.5 nm] is reported. By properly …

Confirming the lattice contraction in CdSe nanocrystals grown in a glass matrix by Raman scattering

ESF Neto, NO Dantas, SW Da Silva… - Journal of Raman …, 2010 - Wiley Online Library
This work gives the evidence of the lattice contraction in CdSe nanocrystals (NCs) grown in
a glass matrix. The CdSe NCs were investigated by atomic force microscopy (AFM), optical …