Hexagonal BN‐assisted epitaxy of strain released GaN films for true green light‐emitting diodes

F Liu, Y Yu, Y Zhang, X Rong, T Wang… - Advanced …, 2020 - Wiley Online Library
Epitaxial growth of III‐nitrides on 2D materials enables the realization of flexible
optoelectronic devices for next‐generation wearable applications. Unfortunately, it is difficult …

Strain-stress study of AlxGa1−xN/AlN heterostructures on c-plane sapphire and related optical properties

Y Feng, V Saravade, TF Chung, Y Dong, H Zhou… - Scientific reports, 2019 - nature.com
This work presents a systematic study of stress and strain of Al x Ga1− x N/AlN with
composition ranging from GaN to AlN, grown on ac-plane sapphire by metal-organic …

Photoelectrochemical properties of GaN photoanodes with cobalt phosphate catalyst for solar water splitting in neutral electrolyte

J Kamimura, P Bogdanoff, FF Abdi… - The Journal of …, 2017 - ACS Publications
Cyclic voltammetry measurements are carried out in neutral phosphate-buffered electrolyte
using n-type Ga-polar GaN thin-film photoelectrodes with and without cobalt phosphate (Co …

Coherent-interface-induced strain in large lattice-mismatched materials: A new approach for modeling Raman shift

AV Kuchuk, FM de Oliveira, PK Ghosh, YI Mazur… - Nano Research, 2022 - Springer
Strain engineering as one of the most powerful techniques for tuning optical and electronic
properties of Ill-nitrides requires reliable methods for strain investigation. In this work, we …

Nanoscale characterization of carrier dynamic and surface passivation in InGaN/GaN multiple quantum wells on GaN nanorods

W Chen, X Wen, M Latzel, M Heilmann… - … Applied Materials & …, 2016 - ACS Publications
Using advanced two-photon excitation confocal microscopy, associated with time-resolved
spectroscopy, we characterize InGaN/GaN multiple quantum wells on nanorod …

Deep-ultraviolet emitting AlGaN multiple quantum well graded-index separate-confinement heterostructures grown by MBE on SiC substrates

H Sun, J Yin, EF Pecora, L Dal Negro… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
Deep-ultraviolet emitting structures based on Al 0.65 Ga 0.35 N/Al 0.8 Ga 0.2 N multiple
quantum wells (MQWs), embedded in compositionally graded Al x Ga 1-x N films in the form …

Polarization effects in graded AlGaN nanolayers revealed by current-sensing and Kelvin probe microscopy

PM Lytvyn, AV Kuchuk, YI Mazur, C Li… - … applied materials & …, 2018 - ACS Publications
We experimentally demonstrate that the conductivity of graded Al x Ga1–x N increases as a
function of the magnitude of the Al concentration gradient (% Al/nm) due to polarization …

Hole mobility behavior in Al-gradient polarization-induced p-type AlGaN grown on GaN template

CC Chen, TC Huang, YW Lin, YR Lin, PH Wu… - Applied Physics …, 2022 - pubs.aip.org
A series of samples with their AlGaN layers of decreasing Al contents along the c-axis are
grown on GaN templates with molecular beam epitaxy for producing polarization-induced p …

Local strain and crystalline defects in GaN/AlGaN/GaN (0001) heterostructures induced by compositionally graded AlGaN buried layers

HV Stanchu, AV Kuchuk, YI Mazur, C Li… - Crystal Growth & …, 2018 - ACS Publications
Plastic strain relaxation in epitaxial layers is one of the crucial factors that limits the
performance of III-nitride-based heterostructures. In this work, we report on strain relaxation …

Strain distribution in MgxZn1-xO layers with various content of Mg grown on a-plane sapphire by plasma-assisted molecular beam epitaxy

A Wierzbicka, MA Pietrzyk, A Reszka, J Dyczewski… - Applied Surface …, 2017 - Elsevier
Dependence of strain distribution on Mg concentration in Mg x Zn 1-x O layers on a-plane
sapphire substrate grown by plasma-assisted molecular beam epitaxy was examined …