Size effects on Raman spectra of small CdSe nanoparticles in polymer films

VM Dzhagan, MY Valakh, AE Raevskaya… - …, 2008 - iopscience.iop.org
The results of a resonant Raman scattering (RRS) study of polymer-stabilized colloidal
CdSe nanoparticles (NPs) are reported. The size-selective nature of the RRS is …

Improved optical and electrical switching in Bi2S3 nested nano-networks with broad trap distribution

Y Tian, S Zhang, W Tan - Applied Nanoscience, 2022 - Springer
The nanostructures usually possess plenty of surface traps owing to their large surface-ratio
comparing with the corresponding bulk materials. Hence understanding the carrier transport …

Raman scattering for probing semiconductor nanocrystal arrays with a low areal density

AG Milekhin, NA Yeryukov… - The Journal of …, 2012 - ACS Publications
We present a study of resonant and surface enhanced Raman scattering by arrays of
nanocrystals (cadmium sulfide CdS, lead selenide PbSe, and zinc oxide ZnO) with various …

Raman spectroscopy and electroreflectance studies of self-assembled SiGe nanoislands grown at various temperatures

MY Valakh, RY Holiney, VN Dzhagan… - Physics of the Solid …, 2005 - Springer
SiGe nanoislands grown in a silicon matrix at temperatures of 300 to 600° C are studied
using Raman spectroscopy and electroreflectance. For islands grown at relatively low …

Electron–acoustic-phonon interaction and resonant Raman scattering in Ge quantum dots: Matrix and quantum confinement effects

JR Huntzinger, A Mlayah, V Paillard, A Wellner… - Physical Review B …, 2006 - APS
Calculations of the electron-acoustic phonon interaction, and Raman scattering efficiency, in
matrix embedded Ge quantum dots (QDs) are presented. The work is focused on the …

Vibrations of quantum dots and light scattering properties: Atomistic versus continuous models

N Combe, JR Huntzinger, A Mlayah - Physical Review B—Condensed Matter …, 2007 - APS
The resonant inelastic light scattering by acoustic vibration modes in spherical germanium
nanocrystals is studied theoretically. The Raman-Brillouin efficiency is calculated using …

Resonant Raman scattering by acoustic phonons in self-assembled quantum-dot multilayers: From a few layers to superlattices

M Cazayous, J Groenen, A Zwick, A Mlayah, R Carles… - Physical Review B, 2002 - APS
We report on resonant Raman scattering (RS) by acoustic phonons in self-assembled Ge/Si
quantum-dot (QD) multilayers. In previous studies the observation of doublet features in the …

Raman-Brillouin light scattering in low-dimensional systems: Photoelastic model versus quantum model

A Mlayah, JR Huntzinger, N Large - Physical Review B—Condensed Matter …, 2007 - APS
Raman-Brillouin scattering by acoustic phonons in a free-standing nanosized silicon film is
studied theoretically. Two well-known models are used to describe the inelastic light …

Electron-acoustic phonon interaction in a single quantum dots layer: Acoustic mirror and cavity effects

M Cazayous, J Groenen, JR Huntzinger, G Bachelier… - Physical Review B, 2004 - APS
We report on resonant Raman scattering in a single layer of self-assembled InAs/InP
quantum dots (QDs). Oscillations are observed in the low frequency spectra. Experiments …

Phonons in Ge/Si quantum dot structures: influence of growth temperature

AG Milekhin, AI Nikiforov, MY Ladanov… - Physica E: Low …, 2004 - Elsevier
In this paper we present the results of a Raman study of Ge/Si quantum dot (QD)
superlattices grown with different thicknesses of a Si interlayer and at different substrate …