Semipolar and nonpolar GaN epi-films grown on m-sapphire by plasma assisted molecular beam epitaxy

S Mukundan, L Mohan, G Chandan, B Roul… - Journal of Applied …, 2014 - pubs.aip.org
We hereby report the development of non-polar epi-GaN films of usable quality, on an m-
plane sapphire. Generally, it is difficult to obtain high-quality nonpolar material due to the …

Hexagonal boron nitride–graphene heterostructures with enhanced interfacial thermal conductance for thermal management applications

S Karak, S Paul, D Negi, B Poojitha… - ACS Applied Nano …, 2021 - ACS Publications
Atomically thin monolayers of graphene show excellent electronic properties which have led
to a great deal of research on their use in nanoscale devices. However, heat management of …

[HTML][HTML] Enhanced UV detection by non-polar epitaxial GaN films

S Mukundan, B Roul, A Shetty, G Chandan, L Mohan… - AIP Advances, 2015 - pubs.aip.org
Nonpolar a-GaN (11-20) epilayers were grown on r-plane (1-102) sapphire substrates using
plasma assisted molecular beam epitaxy. High resolution x-ray diffractometer confirmed the …

Embedded AlN/GaN multi-layer for enhanced crystal quality and surface morphology of semi-polar (11-22) GaN on m-plane sapphire

AZ Omar, A Shuhaimi, AHA Makinudin… - Materials Science in …, 2018 - Elsevier
We demonstrate high quality semi-polar (11-22) gallium nitride thin film grown on m-plane
sapphire substrate with the insertion of AlN/GaN multi-layer via MOCVD. The influence of …

Highly Controllable Epitaxial Growth of High-Density Nonpolar GaN Nanorod Arrays

P Li, L Wang, H Chen, N Ji, C Lee, S Sun… - Crystal Growth & …, 2024 - ACS Publications
The undesirable effects of the degraded device performance and shorter lifetime caused by
the polarization electric field induced by polar GaN have contributed to an increasing …

First and second order Raman scattering spectroscopy of nonpolar a-plane GaN

H Gao, F Yan, H Zhang, J Li, J Wang… - Journal of applied physics, 2007 - pubs.aip.org
Nonpolar a-plane [(11 2 0)] GaN samples have been grown on r-plane [(1 1 02)] sapphire
substrates by low-pressure metal-organic chemical-vapor deposition. The room-temperature …

In-situ Raman study of α-D-glucose under different pressure and temperature

Z Zheng, X Yao, S Zhang, L Fang, Z Jiang - Journal of Molecular Structure, 2023 - Elsevier
High-pressure Raman and infra-red spectroscopies were employed to explore how the
molecular structure of α-D-glucose changes under high pressure and temperature. At room …

P-type electrical transport properties and excellent Hall mobility of GaSb single crystal grown by Ga flux

Y Zhao, Y Pan, L Chen, M Cheng, L Liu… - Applied Physics …, 2024 - pubs.aip.org
Semiconductor materials, especial the Gallium antimonide (GaSb), have many unique
properties and potential application, which attracted significant research interest. However …

Temperature dependence of Raman scattering from 4H-SiC with hexagonal defects

R Han, B Han, DH Wang, C Li - Applied Physics Letters, 2011 - pubs.aip.org
Noncontact temperature measurements based on Raman scattering were performed on 4H-
SiC with hexagonal defects. These measurements show that the four-phonon process …

Comparative investigation of semipolar (11–22) GaN grown on patterned (113) Si with different V/III ratios via MOCVD

B Mao, G Zhao, L Wang, N Zhang, H Du… - Semiconductor …, 2023 - iopscience.iop.org
We report on the growth of high-quality semi-polar (11–22) GaN with a smooth surface on a
patterned Si (113) substrate by delicately tuning the V/III ratio in a three-step approach. The …