Substrates for gallium nitride epitaxy

L Liu, JH Edgar - Materials Science and Engineering: R: Reports, 2002 - Elsevier
In this review, the structural, mechanical, thermal, and chemical properties of substrates
used for gallium nitride (GaN) epitaxy are compiled, and the properties of GaN films …

Progress and prospects of group-III nitride semiconductors

SN Mohammad, H Morkoç - Progress in quantum electronics, 1996 - Elsevier
We review recent progress in the group-III nitride and related materials, and electronic and
optical devices based on them. Blue and UV (eg ultra violet) emitters and detectors, and …

Role of threading dislocation structure on the x‐ray diffraction peak widths in epitaxial GaN films

B Heying, XH Wu, S Keller, Y Li, D Kapolnek… - Applied physics …, 1996 - pubs.aip.org
In this letter we demonstrate that the anomalously low (002) x‐ray rocking curve widths for
epitaxial hexagonal GaN films on (001) sapphire are a result of a specific threading …

Band gap energy of pure and Al-doped ZnO thin films

FK Shan, YS Yu - Journal of the European Ceramic Society, 2004 - Elsevier
Pulsed laser deposition (PLD) technique is used to deposit pure and Al-doped ZnO thin films
at different temperatures on glass substrates. From the transmission data from optical …

GaN-based optoelectronics on silicon substrates

A Krost, A Dadgar - Materials Science and Engineering: B, 2002 - Elsevier
Cracking of GaN on Si usually occurs due to the large thermal mismatch of GaN and Si
when layer thicknesses exceed approximately 1 μm in metalorganic chemical vapor …

Structural evolution in epitaxial metalorganic chemical vapor deposition grown GaN films on sapphire

D Kapolnek, XH Wu, B Heying, S Keller… - Applied Physics …, 1995 - pubs.aip.org
The structural evolution of epitaxial GaN layers grown on basal plane sapphire has been
studied by atomic force microscopy (AFM), x‐ray diffraction, and transmission electron …

Growth of group III nitrides. A review of precursors and techniques

DA Neumayer, JG Ekerdt - Chemistry of materials, 1996 - ACS Publications
The AlGaInN quaternary alloy system is uniquely suited for numerous device applications
because the bandgap can be varied from 1.9 to 6.2 eV by changing the alloy composition …

[HTML][HTML] Group III-nitride lasers: a materials perspective

MT Hardy, DF Feezell, SP DenBaars, S Nakamura - Materials Today, 2011 - Elsevier
An overview of III-Nitride based laser diodes (LDs) is presented focusing on the materials
challenges in each phase of device development. We discuss early breakthroughs leading …

Growth of III-nitrides on Si (1 1 1) by molecular beam epitaxy Doping, optical, and electrical properties

E Calleja, MA Sánchez-Garcıa, FJ Sánchez… - Journal of crystal …, 1999 - Elsevier
The growth of high-quality III-nitrides by plasma-assisted molecular beam epitaxy on Si
(111) substrates is addressed. A combination of optimized AlN buffer layers and a two-step …

Performance evaluation of high-power wide band-gap semiconductor rectifiers

M Trivedi, K Shenai - Journal of Applied Physics, 1999 - pubs.aip.org
Applicability of GaN in unipolar and bipolar devices for high-power electronic applications is
evaluated with respect to similar devices based on other materials. Specific resistance is …