N-polar GaN epitaxy and high electron mobility transistors

MH Wong, S Keller, SD Nidhi… - Semiconductor …, 2013 - iopscience.iop.org
This paper reviews the progress of N-polar ($000\mathop 1\limits^\_ $) GaN high frequency
electronics that aims at addressing the device scaling challenges faced by GaN high …

Polarity in GaN and ZnO: Theory, measurement, growth, and devices

J Zuniga-Perez, V Consonni, L Lymperakis… - Applied Physics …, 2016 - pubs.aip.org
The polar nature of the wurtzite crystalline structure of GaN and ZnO results in the existence
of a spontaneous electric polarization within these materials and their associated alloys (Ga …

Analysis of InGaN-delta-InN quantum wells for light-emitting diodes

H Zhao, G Liu, N Tansu - Applied Physics Letters, 2010 - pubs.aip.org
The design of InGaN-delta-InN quantum wells (QWs) leads to significant redshift for nitride
active region with large electron-hole wave function overlap (Γ e _ hh) and spontaneous …

A growth diagram for plasma-assisted molecular beam epitaxy of In-face InN

CS Gallinat, G Koblmüller, JS Brown… - Journal of Applied …, 2007 - pubs.aip.org
We investigated the role of temperature and In∕ N flux ratios to determine suitable growth
windows for the plasma-assisted molecular beam epitaxy of In-face (0001) InN. Under …

High-electron-mobility InN layers grown by boundary-temperature-controlled epitaxy

X Wang, S Liu, N Ma, L Feng, G Chen, F Xu… - Applied Physics …, 2012 - iopscience.iop.org
A boundary-temperature-controlled epitaxy, where the growth temperature of InN is
controlled at its maximum, is used to obtain high-electron-mobility InN layers on sapphire …

Understanding and controlling indium incorporation and surface segregation on InGaN surfaces: An ab initio approach

AI Duff, L Lymperakis, J Neugebauer - Physical Review B, 2014 - APS
The incorporation of In into the technologically relevant (0001)(Ga-polar) and (000 1¯)(N-
polar) surfaces of In 0.25 Ga 0.75 N is investigated using density functional theory. The …

Molecular beam epitaxy of N-polar InGaN

DN Nath, E Gür, SA Ringel, S Rajan - Applied Physics Letters, 2010 - pubs.aip.org
We report on the growth of N-polar In x Ga 1− x N by N 2 plasma-assisted molecular beam
epitaxy. Ga-polar and N-polar InGaN films were grown at different growth temperatures and …

Surface kinetics and thermal instability of N-face InN grown by plasma-assisted molecular beam epitaxy

G Koblmüller, CS Gallinat, JS Speck - Journal of applied physics, 2007 - pubs.aip.org
The role of thermal instability and In surface coverages on the growth kinetics has been
investigated for N-face InN films grown by plasma-assisted molecular beam epitaxy. Film …

Sources of unintentional conductivity in InN

A Janotti, CG Van de Walle - Applied Physics Letters, 2008 - pubs.aip.org
Using first-principles methods, we investigate the effects of monatomic hydrogen in InN. We
find that hydrogen can occupy interstitial and substitutional sites. Interstitial hydrogen is …

Evaluation of threading dislocation densities in In-and N-face InN

CS Gallinat, G Koblmüller, F Wu… - Journal of Applied Physics, 2010 - pubs.aip.org
The threading dislocation (TD) structure and density has been studied in In-and N-face InN
films grown on GaN by plasma-assisted molecular beam epitaxy. The TD densities were …