Hole transport manipulation to improve the hole injection for deep ultraviolet light-emitting diodes

ZH Zhang, SW Huang Chen, Y Zhang, L Li… - Acs …, 2017 - ACS Publications
In this report, we propose to enhance the hole injection efficiency by adjusting the barrier
height of the p-type electron blocking layer (p-EBL) for∼ 273 nm deep ultraviolet light …

Mechanical, thermodynamic and electronic properties of wurtzite and zinc-blende GaN crystals

H Qin, X Luan, C Feng, D Yang, G Zhang - Materials, 2017 - mdpi.com
For the limitation of experimental methods in crystal characterization, in this study, the
mechanical, thermodynamic and electronic properties of wurtzite and zinc-blende GaN …

AlGaN-based deep ultraviolet light emitting diodes with magnesium delta-doped AlGaN last barrier

TY Wang, WC Lai, SY Sie, SP Chang, YR Wu… - Applied Physics …, 2020 - pubs.aip.org
A magnesium delta-doped AlGaN last barrier (MDDLB) was introduced in the structure of
deep ultraviolet light emitting diodes (DUV LEDs) to improve their light output power. The …

Gate reliability and its degradation mechanism in the normally OFF high-electron-mobility transistors with regrown p-GaN gate

Y Zhong, S Su, X Chen, Y Zhou, H Gao… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Gate reliability and its degradation mechanism were studied for the normally off high-
electron-mobility transistors (HEMTs) with regrown p-GaN gate and AlN/SiN x stack …

KPFM and CAFM based studies of MoS2 (2D)/WS2 heterojunction patterns fabricated using stencil mask lithography technique

I Sharma, BR Mehta - Journal of Alloys and Compounds, 2017 - Elsevier
Vertical heterojunctions formed by layer-by-layer stacking of two-dimensional (2D) transition
metal dichalcogenides (TMDs) are believed to be the key element of next-generation …

Enhanced light extraction efficiency of a InGaN/GaN micro-square array light-emitting diode chip

D Han, S Ma, Z Jia, P Liu, W Jia, H Dong… - Optical Materials …, 2017 - opg.optica.org
A InGaN/GaN micro-square array light-emitting diode (LED) chip (micro-chip) has been
successfully fabricated by the focused ion beam (FIB) etching technique, which can reduce …

Polarization and p-type doping effects on photoresponse of separate absorption and multiplication AlGaN solar-blind avalanche photodiodes

CH Yu, ZF Ge, XY Chen, L Li, XD Luo - Optical and Quantum Electronics, 2018 - Springer
The photoresponse characteristics of separate absorption and multiplication (SAM) AlGaN
solar-blind avalanche photodiodes (APDs) were investigated in detail. The pinin avalanche …

Investigation of Si and O donor impurities in unintentionally doped MBE-grown GaN on SiC (0001) substrate

T Tingberg, T Ive, A Larsson - Journal of Electronic Materials, 2017 - Springer
We have investigated the unintentional n-type background doping in GaN (0001) layers
grown on semi-insulating 4H-SiC (0001) substrate by plasma-assisted molecular beam …

Experimental and modeling investigations of miniaturization in InGaN/GaN light-emitting diodes and performance enhancement by micro-wall architecture

Y Zhang, S Lu, Y Qiu, J Wu, M Zhang, D Luo - Frontiers in Chemistry, 2021 - frontiersin.org
The recent technological trends toward miniaturization in lighting and display devices are
accelerating the requirement for high-performance and small-scale GaN-based light …

Effects of hydrogen treatment in barrier on the electroluminescence of green InGaN/GaN single-quantum-well light-emitting diodes with V-shaped pits grown on Si …

Q Wu, S Cao, C Mo, J Zhang, X Wang… - Chinese Physics …, 2018 - iopscience.iop.org
Abstract Effect of hydrogen (H 2) treatment during the GaN barrier growth on the
electroluminescence performance of green InGaN/GaN single-quantum-well light-emitting …