Temperature dependence of on–off ratio and reverse recovery time in NiO/β-Ga2O3 heterojunction rectifiers

JS Li, CC Chiang, X **a, F Ren… - Journal of Vacuum Science …, 2022 - pubs.aip.org
The temperature-dependent behavior of on/off ratio and reverse recovery time in vertical
heterojunction p-NiO/β n-Ga 2 O/n+ Ga 2 O 3 rectifiers was investigated over the …

[HTML][HTML] Deposition of sputtered NiO as a p-type layer for heterojunction diodes with Ga2O3

JS Li, X **a, CC Chiang, DC Hays, BP Gila… - Journal of Vacuum …, 2023 - pubs.aip.org
The characteristics of sputtered NiO for use in pn heterojunctions with Ga 2 O 3 were
investigated as a function of sputtering parameters and postdeposition annealing …

E-mode AlGaN/GaN HEMTs using p-NiO gates

CC Chiang, HH Wan, JS Li, F Ren, TJ Yoo… - Journal of Vacuum …, 2023 - pubs.aip.org
Sputtered p-NiO films were used to suppress gate leakage and produce a positive shift in
the gate voltage of AlGaN/GaN high-electron mobility transistors for e-mode operation. A …

Instability of On-Resistance in Vertical GaN PIN Diodes Under High-Temperature and Voltage Stress

D Wang, DH Mudiyanselage, Z He… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The ON-resistance (instability of vertical GaN PIN diodes under high-temperature (up to
400° C) and forward voltages stress were comprehensively investigated. The turn-on …

[HTML][HTML] Type II band alignment of NiO/α-Ga2O3 for annealing temperatures up to 600° C

X **a, JS Li, CC Chiang, TJ Yoo… - Journal of Vacuum …, 2022 - pubs.aip.org
There is increasing interest in the alpha polytype of Ga 2 O 3 because of its even larger
bandgap than the more studied beta polytype, but in common with the latter, there is no …

Determination of Type II Band Alignment of NiO/α-Ga2O3 For Annealing Temperatures Up To 600° C

X **a, JS Li, CC Chiang, TJ Yoo, E Hershkovitz… - ECS …, 2023 - iopscience.iop.org
There is increasing interest in the alpha polytype of Ga2O3 because of its even larger
bandgap than the more studied beta polytype, but in common with the latter, there is no …