Strain engineering of nanowire multi-quantum well demonstrated by raman spectroscopy

M Wölz, M Ramsteiner, VM Kaganer, O Brandt… - Nano …, 2013 - ACS Publications
An analysis of the strain in an axial nanowire superlattice shows that the dominating strain
state can be defined arbitrarily between unstrained and maximum mismatch strain by …

Damage in InGaN/GaN bilayers upon Xe and Pb swift heavy ion irradiation

P Jóźwik, JPS Cardoso, DF Carvalho… - Physical Chemistry …, 2022 - pubs.rsc.org
350 nm and 550 nm thick InGaN/GaN bilayers were irradiated with different energies (from∼
82 to∼ 38 MeV) of xenon (129Xe) ions and different fluences of 1.2 GeV lead (208Pb) ions …

Analysis of phonon transport through heterointerfaces of InGaN/GaN via Raman imaging using double-laser system: The effect of crystal defects at heterointerface

T Nakayama, K Ito, B Ma, D Iida, MA Najmi… - Materials Science in …, 2022 - Elsevier
The pump and probe technique in Raman spectroscopy is used to demonstrate the phonon
transport properties of an In 0.05 Ga 0.95 N/GaN heterostructure. The pump laser generates …

Effects of indium mole fraction on the physical characteristics of magnetron sputtered InxAl1− xN films

N Afzal, M Devarajan, K Ibrahim - Journal of Alloys and Compounds, 2015 - Elsevier
In x Al 1− x N films with composition 0.25≤ x≤ 0.86 were grown on p-type Si (111)
substrates by using reactive magnetron co-sputtering technique in an ambient of argon and …

Evidence of relationship between strain and In-incorporation: Growth of N-polar In-rich InAlN buffer layer by OMCVD

P Chauhan, S Hasenöhrl, E Dobročka… - Journal of Applied …, 2019 - pubs.aip.org
Two I nx A l 1− x N layers were grown simultaneously on different substrates [sapphire
(0001) and the Ga-polar GaN template], but under the same reactor conditions, they were …

Determination of the band gap of indium-rich InGaN by means of photoacoustic spectroscopy

R Oliva, SJ Zelewski, Ł Janicki… - Semiconductor …, 2018 - iopscience.iop.org
Photoacoustic (PA) measurements have been performed on a series of In x Ga 1− x N thin
films grown with x> 50%. In order to illustrate the usefulness of this technique, these …

Nanoscale InN clusters and compositional inhomogeneities in InGaN epitaxial layers quantified by tip-enhanced Raman scattering

D Seidlitz, E Poliani, M Ries, A Hoffmann… - Applied Physics …, 2021 - pubs.aip.org
We investigate the compositional homogeneity of InGaN thin films with a high In content
grown by migration-enhanced plasma-assisted metal-organic chemical vapor deposition …

Brillouin scattering determination of the surface acoustic wave velocity in InxGa1− xN: A probe into the elastic constants

RJ Jiménez-Riobóo, R Cuscó, R Oliva… - Applied Physics …, 2012 - pubs.aip.org
We have determined the surface acoustic wave velocity in In x Ga 1− x N layers for 0.34< x<
0.75 by means of high resolution Brillouin spectroscopy. The sagittal dependence of the …

Investigations on the nanostructures of GaN, InN and InxGa1− xN

C Bagavath, L Nasi, J Kumar - Materials Science in Semiconductor …, 2016 - Elsevier
A controllable approach to the formation of III-nitride nanocrystalline structures using
hydrothermal assisted method is presented. The structural and morphological properties of …

[HTML][HTML] Probing the large bandgap-bowing and signature of antimony (Sb) in dilute-antimonide III-nitride using micro-Raman scattering

FA Chowdhury, Z Mi - Journal of Applied Physics, 2019 - pubs.aip.org
Dilute-antimonide III-nitrides (Sb< 1%), with their unprecedented and broad range tuning of
bandgap and associated properties, provide extraordinary opportunities for engineering …