Progress of GaN‐based optoelectronic devices integrated with optical resonances

L Zhao, C Liu, K Wang - Small, 2022 - Wiley Online Library
Being direct wide bandgap, III‐nitride (III‐N) semiconductors have many applications in
optoelectronics, including light‐emitting diodes, lasers, detectors, photocatalysis, etc …

Approaches to modelling the shape of nanocrystals

C Boukouvala, J Daniel, E Ringe - Nano Convergence, 2021 - Springer
Unlike in the bulk, at the nanoscale shape dictates properties. The imperative to understand
and predict nanocrystal shape led to the development, over several decades, of a large …

Epitaxial Growth of the Large-Scale, Highly-Ordered 3D GaN-Truncated Pyramid Array Toward an Ultrahigh Rejection Ratio and Responsivity Visible-Blind Ultraviolet …

W Song, Y Sun, X He, S Li - ACS Applied Materials & Interfaces, 2024 - ACS Publications
The micro-and nanostructures of III-nitride semiconductors captivate strong interest owing to
their distinctive properties and myriad potential applications. Nevertheless, challenges …

Cathodoluminescence investigations of dark-line defects in platelet-based InGaN nano-LED structures

A Gustafsson, AR Persson, POÅ Persson… - …, 2024 - iopscience.iop.org
We have investigated the optical properties of heterostructured InGaN platelets aiming at red
emission, intended for use as nano-scaled light-emitting diodes. The focus is on the …

Bottom-up approaches to microLEDs emitting red, green and blue light based on GaN nanowires and relaxed InGaN platelets

Z Bi, A Gustafsson, L Samuelson - Chinese Physics B, 2023 - iopscience.iop.org
Miniaturization of light-emitting diodes (LEDs) with sizes down to a few micrometers has
become a hot topic in both academia and industry due to their attractive applications on self …

Vertical GaN devices: Process and reliability

S You, K Geens, M Borga, H Liang, H Hahn… - Microelectronics …, 2021 - Elsevier
This paper reviews recent progress and key challenges in process and reliability for high-
performance vertical GaN transistors and diodes, focusing on the 200 mm CMOS …

From nanoLEDs to the realization of RGB-emitting microLEDs

Z Bi, Z Chen, F Danesh, L Samuelson - Semiconductors and Semimetals, 2021 - Elsevier
MicroLED technology is expected to be the technology of choice for next-generation
displays. Its advantages in various applications are reviewed. The challenges of microLED …

Yellow-green luminescence due to polarity-dependent incorporation of carbon impurities in self-assembled GaN microdisk

Z Si, Z Liu, Y Hu, X Wang, C Xu, S Zheng, X Dong… - Nano Letters, 2022 - ACS Publications
Yellow-green luminescence (YGL) competes with near-bandgap emission (NBE) for carrier
recombination channels, thereby reducing device efficiency; yet uncovering the origin of …

From InGaN pyramids to micro-LEDs characterized by cathodoluminescence

A Gustafsson, BI Zhaoxia, L Samuelson - Nano Express, 2021 - iopscience.iop.org
We present a study of the optical properties of various steps in the process of fabricating
micro light-emitting diodes (μ-LEDs) based on quantum wells embedded in micron-sized …

Second Harmonic Generation in Nanowires

BJ Zhao, JL Zhao, XT Gan - Chinese Physics Letters, 2024 - iopscience.iop.org
Second harmonic generation (SHG) in optical materials serves as important techniques for
laser source generations in awkward spectral ranges, physical identities of materials in …