Strain and strain relaxation in semiconductors

DJ Dunstan - Journal of Materials Science: Materials in Electronics, 1997 - Springer
Single-crystal semiconductor layers can be grown with large coherency strains. This review
covers their standard elasticity theory and methods of measuring the strain. High-quality …

SiGe epitaxial memory for neuromorphic computing with reproducible high performance based on engineered dislocations

S Choi, SH Tan, Z Li, Y Kim, C Choi, PY Chen… - Nature materials, 2018 - nature.com
Although several types of architecture combining memory cells and transistors have been
used to demonstrate artificial synaptic arrays, they usually present limited scalability and …

Modeling of threading dislocation reduction in growing GaN layers

SK Mathis, AE Romanov, LF Chen, GE Beltz… - Journal of Crystal …, 2001 - Elsevier
In this work, a model is developed to treat threading dislocation (TD) reduction in (0001)
wurtzite epitaxial GaN thin films. The model is based on an approach originally proposed for …

[图书][B] Extended defects in semiconductors: electronic properties, device effects and structures

DB Holt, BG Yacobi - 2007 - books.google.com
The elucidation of the effects of structurally extended defects on electronic properties of
materials is especially important in view of the current advances in electronic device …

Basal plane misfit dislocations and stress relaxation in III-nitride semipolar heteroepitaxy

AE Romanov, EC Young, F Wu, A Tyagi… - Journal of Applied …, 2011 - pubs.aip.org
This article presents a theoretical analysis of dislocation behavior and stress relaxation in
semipolar III-nitride heteroepitaxy, eg, for Al x Ga 1− x N and In y Ga 1− y N layers grown on …

Investigation of AlGaN/GaN high electron mobility transistor structures on 200-mm silicon (111) substrates employing different buffer layer configurations

HP Lee, J Perozek, LD Rosario, C Bayram - Scientific reports, 2016 - nature.com
AlGaN/GaN high electron mobility transistor (HEMT) structures are grown on 200-mm
diameter Si (111) substrates by using three different buffer layer configurations:(a) Thick …

Uprooting defects to enable high-performance III–V optoelectronic devices on silicon

YA Bioud, A Boucherif, M Myronov, A Soltani… - Nature …, 2019 - nature.com
The monolithic integration of III-V compound semiconductor devices with silicon presents
physical and technological challenges, linked to the creation of defects during the deposition …

High-quality AlN/sapphire templates prepared by thermal cycle annealing for high-performance ultraviolet light-emitting diodes

D Wang, K Uesugi, S Xiao, K Norimatsu… - Applied Physics …, 2021 - iopscience.iop.org
Thermal cycle annealing (TCA) is introduced to accelerate the dislocation annihilation in
sputter-deposited AlN films on sapphire. Compared with constant temperature annealing …

Dislocation-Free SiGe/Si Heterostructures

F Montalenti, F Rovaris, R Bergamaschini, L Miglio… - Crystals, 2018 - mdpi.com
Ge vertical heterostructures grown on deeply-patterned Si (001) were first obtained in 2012
(CV Falub et al., Science 2012, 335, 1330–1334), immediately capturing attention due to the …

Modeling cross-hatch surface morphology in growing mismatched layers

AM Andrews, JS Speck, AE Romanov… - Journal of applied …, 2002 - pubs.aip.org
We propose and investigate a model for the development of cross-hatch surface morphology
in growing mismatched layers. The model incorporates two important elements:(i) strain …