Control and understanding of metal contacts to β-Ga2O3 single crystals: a review

H Kim - SN Applied Sciences, 2022 - Springer
Abstract Gallium oxide (Ga2O3) is a promising semiconductor for high power devices and
solar blind ultraviolet photodetectors due to its large bandgap, a high breakdown field, and …

Vertical GaN power devices: Device principles and fabrication technologies—Part II

H Fu, K Fu, S Chowdhury, T Palacios… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Vertical gallium nitride (GaN) power devices are enabling next-generation power electronic
devices and systems with higher energy efficiency, higher power density, faster switching …

Reverse leakage and breakdown mechanisms of vertical GaN-on-Si Schottky barrier diodes with and without implanted termination

X Guo, Y Zhong, X Chen, Y Zhou, S Su, S Yan… - Applied Physics …, 2021 - pubs.aip.org
This Letter studies the reverse leakage and breakdown mechanisms of vertical GaN-on-Si
Schottky barrier diodes (SBDs) with and without argon-implanted termination (ArIT). The …

[HTML][HTML] Ultrawide bandgap vertical β-(AlxGa1− x) 2O3 Schottky barrier diodes on free-standing β-Ga2O3 substrates

DH Mudiyanselage, D Wang, H Fu - Journal of Vacuum Science & …, 2023 - pubs.aip.org
Ultrawide bandgap β-(Al x Ga 1− x) 2 O 3 vertical Schottky barrier diodes on (010) β-Ga 2 O
3 substrates are demonstrated. The β-(Al x Ga 1− x) 2 O 3 epilayer has an Al composition of …

Vertical β-Ga2O3 metal–insulator–semiconductor diodes with an ultrathin boron nitride interlayer

M Xu, A Biswas, T Li, Z He, S Luo, Z Mei, J Zhou… - Applied Physics …, 2023 - pubs.aip.org
In this work, we demonstrate the high performance of β-Ga 2 O 3 metal–insulator–
semiconductor (MIS) diodes. An ultrathin boron nitride (BN) interlayer is directly grown on …

Comprehensive analysis of current leakage at individual screw and mixed threading dislocations in freestanding GaN substrates

T Hamachi, T Tohei, Y Hayashi, M Imanishi, S Usami… - Scientific Reports, 2023 - nature.com
The electrical characteristics of Schottky contacts on individual threading dislocations (TDs)
with a screw-component in GaN substrates and the structures of these TDs were …

Lateral p-type GaN Schottky barrier diode with annealed Mg ohmic contact layer demonstrating ideal current–voltage characteristic

S Lu, M Deki, T Kumabe, J Wang, K Ohnishi… - Applied Physics …, 2023 - pubs.aip.org
We have demonstrated the fabrication process for a lateral p-type Schottky barrier diode
(SBD) with the annealed Mg ohmic contact layer on a MOVPE-grown p-GaN wafer and …

GaN vertical-channel junction field-effect transistors with regrown p-GaN by MOCVD

C Yang, H Fu, VN Kumar, K Fu, H Liu… - … on Electron Devices, 2020 - ieeexplore.ieee.org
We report an experimental demonstration of GaN-based vertical-channel junction field-effect
transistors (VC-JFETs). A p-GaN regrowth by metalorganic chemical vapor deposition …

Ga-polar GaN Camel diode enabled by a low-cost Mg-diffusion process

B Sarkar, J Wang, O Badami, T Pramanik… - Applied Physics …, 2023 - iopscience.iop.org
In this letter, we show that low-cost physical vapor deposition of Mg followed by a thermal
diffusion annealing process increases the effective barrier height at the metal/Ga-polar GaN …

[HTML][HTML] Evidence of thermionic emission in forward biased β-Ga2O3 Schottky diodes at Boltzmann do** limit

S Mukhopadhyay, LAM Lyle, H Pal, KK Das… - Journal of Applied …, 2022 - pubs.aip.org
A near-ideal and homogeneous β-Ga 2 O 3 Schottky diode with Co contact for a do**
level of∼ 4.2× 10 17 cm− 3 in the drift layer where the Boltzmann approximation is valid is …