III-nitride semiconductor lasers grown on Si

M Feng, J Liu, Q Sun, H Yang - Progress in Quantum Electronics, 2021 - Elsevier
III-nitride semiconductor laser directly grown on Si is a potential on-chip light source for Si
photonics. Moreover, it may greatly lower the manufacture cost of laser diodes and further …

Generated carrier dynamics in V-pit-enhanced InGaN/GaN light-emitting diode

IA Ajia, PR Edwards, Y Pak, E Belekov… - ACS …, 2017 - ACS Publications
We investigate the effects of V-pits on the optical properties of a state-of-the-art, highly
efficient, blue InGaN/GaN multi-quantum-well (MQW) light-emitting diode (LED) with a high …

Photoinduced entropy of InGaN/GaN pin double-heterostructure nanowires

N Alfaraj, S Mitra, F Wu, IA Ajia, B Janjua… - Applied Physics …, 2017 - pubs.aip.org
The photoinduced entropy of InGaN/GaN pin nanowires was investigated using temperature-
dependent (6–290 K) photoluminescence. We also analyzed the photocarrier dynamics in …

Carrier localization in the vicinity of dislocations in InGaN

F Massabuau, P Chen, MK Horton, SL Rhode… - Journal of Applied …, 2017 - pubs.aip.org
We present a multi-microscopy study of dislocations in InGaN, whereby the same threading
dislocation was observed under several microscopes (atomic force microscopy, scanning …

Band alignment and -type do** of

T Wang, C Ni, A Janotti - Physical Review B, 2017 - APS
Composed of earth-abundant elements, ZnSnN 2 is a promising semiconductor for
photovoltaic and photoelectrochemical applications. However, basic properties such as the …

InGaN/GaN blue light emitting diodes using freestanding GaN extracted from a Si substrate

M Lee, M Yang, KM Song, S Park - ACS Photonics, 2018 - ACS Publications
We demonstrate the first InGaN/GaN blue light emitting diodes (LEDs) on freestanding GaN
grown using a Si substrate. Transmission electron microscopy and X-ray diffraction analysis …

Atomic diffusion of indium through threading dislocations in InGaN quantum wells

Y Yamaguchi, Y Kanitani, Y Kudo, J Uzuhashi… - Nano Letters, 2022 - ACS Publications
The compositional and structural investigations of threading dislocations (TDs) in
InGaN/GaN multiple quantum wells were carried out using correlative transmission electron …

Dislocations in AlGaN: Core structure, atom segregation, and optical properties

FCP Massabuau, SL Rhode, MK Horton… - Nano …, 2017 - ACS Publications
We conducted a comprehensive investigation of dislocations in Al0. 46Ga0. 54N. Using
aberration-corrected scanning transmission electron microscopy and energy dispersive X …

Dopant Segregation Inside and Outside Dislocation Cores in Perovskite BaSnO3 and Reconstruction of the Local Atomic and Electronic Structures

H Yun, A Prakash, T Birol, B Jalan, KA Mkhoyan - Nano letters, 2021 - ACS Publications
Distinct dopant behaviors inside and outside dislocation cores are identified by atomic-
resolution electron microscopy in perovskite BaSnO3 with considerable consequences on …

The heterogeneous nucleation of threading dislocations on partial dislocations in III-nitride epilayers

J Smalc-Koziorοwska, J Moneta, P Chatzopoulou… - Scientific reports, 2020 - nature.com
III-nitride compound semiconductors are breakthrough materials regarding device
applications. However, their heterostructures suffer from very high threading dislocation (TD) …