Lattice vibrations and Raman scattering in two-dimensional layered materials beyond graphene

X Lu, X Luo, J Zhang, SY Quek, Q **ong - Nano Research, 2016 - Springer
We review lattice vibrational modes in atomically thin two-dimensional (2D) layered
materials, focusing on 2D materials beyond graphene, such as group VI transition metal …

Anomalous frequency trends in MoS thin films attributed to surface effects

X Luo, Y Zhao, J Zhang, Q **ong, SY Quek - Physical Review B—Condensed …, 2013 - APS
The layered dichalcogenide MoS 2 has many unique physical properties in low dimensions.
Recent experimental Raman spectroscopies report an anomalous blue shift of the in-plane …

Raman spectroscopy of oxide-embedded and ligand-stabilized silicon nanocrystals

CM Hessel, J Wei, D Reid, H Fujii… - The Journal of …, 2012 - ACS Publications
Oxide-embedded and oxide-free alkyl-terminated silicon (Si) nanocrystals with diameters
ranging from 3 nm to greater than 10 nm were studied by Raman spectroscopy. For ligand …

Applying an improved phonon confinement model to the analysis of Raman spectra of germanium nanocrystals

VA Volodin, DV Marin, VA Sachkov… - Journal of Experimental …, 2014 - Springer
The improved phonon confinement model developed previously [11] is applied for definition
of germanium nanocrystal sizes from the analysis of its Raman scattering spectra. The …

Electron–phonon coupling in CdSe nanocrystals from an atomistic phonon model

AM Kelley - ACS nano, 2011 - ACS Publications
Phonon frequencies and eigenvectors, electron–phonon couplings, and the associated
resonance Raman spectra have been calculated for approximately spherical, wurtzite form …

High electromagnetic wave absorption and flame retardancy performance from NF@ HCS/NF-filled epoxy-based electronic packaging material

T **ong, Y Luo, Y Qian, Y Li, J Li, L Wang… - Journal of Materials …, 2024 - pubs.rsc.org
The irresistible trend towards the higher power density of the next generation integrated
circuits (ICs) has brought inevitable issues of electromagnetic interference and thermal …

Size-dependent Raman shifts for nanocrystals

Y Gao, X Zhao, P Yin, F Gao - Scientific reports, 2016 - nature.com
Raman spectroscopy is a very sensitive tool for probing semiconductor nanocrystals. The
underlying mechanism behind the size-dependent Raman shifts is still quite controversial …

Synthesis and oxidation of luminescent silicon nanocrystals from silicon tetrachloride by very high frequency nonthermal plasma

R Gresback, T Nozaki, K Okazaki - Nanotechnology, 2011 - iopscience.iop.org
Silicon nanocrystals have recently attracted significant attention for applications in
electronics, optoelectronics, and biological imaging due to their size-dependent optical and …

Origin of asymmetric broadening of Raman peak profiles in Si nanocrystals

Y Gao, P Yin - Scientific Reports, 2017 - nature.com
The asymmetric peak broadening towards the low-frequency side of the Raman-active mode
of Si nanocrystals with the decreasing size has been extensively reported in the literatures …

Origin of the photoluminescence quantum yields enhanced by alkane-termination of freestanding silicon nanocrystals: temperature-dependence of optical properties

B Ghosh, M Takeguchi, J Nakamura, Y Nemoto… - Scientific reports, 2016 - nature.com
On the basis of the systematic study on temperature dependence of photoluminescence (PL)
properties along with relaxation dynamics we revise a long-accepted mechanism for …