Recent advances in GaN‐based power HEMT devices
The ever‐increasing power density and operation frequency in electrical power conversion
systems require the development of power devices that can outperform conventional Si …
systems require the development of power devices that can outperform conventional Si …
Current understanding of bias-temperature instabilities in GaN MIS transistors for power switching applications
M Ťapajna - Crystals, 2020 - mdpi.com
GaN-based high-electron mobility transistors (HEMTs) have brought unprecedented
performance in terms of power, frequency, and efficiency. Application of metal-insulator …
performance in terms of power, frequency, and efficiency. Application of metal-insulator …
Enhancement-Mode AlGaN/GaN MIS-HEMTs With High VTH and High IDmax Using Recessed-Structure With Regrown AlGaN Barrier
JT Asubar, S Kawabata, H Tokuda… - IEEE Electron …, 2020 - ieeexplore.ieee.org
We report on an Al 2 O 3/AlGaN/GaN metalinsulator-semiconductor high-electron-mobility
transistor (MIS-HEMT) with recessed-gate structure and regrown AlGaN barrier. After …
transistor (MIS-HEMT) with recessed-gate structure and regrown AlGaN barrier. After …
Interfacial band parameters of ultrathin ALD–Al2O3, ALD–HfO2, and PEALD–AlN/ALD–Al2O3 on c-plane, Ga-face GaN through XPS measurements
Ultrathin oxides (UOs) and ultrathin nitrides (UNs) play a crucial role in forming lattice-
mismatched semiconductor heterostructures that are fabricated by using semiconducting …
mismatched semiconductor heterostructures that are fabricated by using semiconducting …
Evidence of reduced interface states in Al2O3/AlGaN MIS structures via insertion of ex situ regrown AlGaN layer
A Baratov, S Kawabata, S Urano, I Nagase… - Applied Physics …, 2022 - iopscience.iop.org
We report on the impact of the 3 nm thick ex situ AlGaN regrown layer prior to insulator
deposition on the interfacial properties of Al 2 O 3/AlGaN/GaN metal–insulator …
deposition on the interfacial properties of Al 2 O 3/AlGaN/GaN metal–insulator …
Influences of ALD Al2O3 on the surface band-bending of c-plane, Ga-face GaN
The recently demonstrated approach of grafting n-type GaN with p-type Si or GaAs, by
employing ultrathin Al 2 O 3 at the interface, has shown the feasibility to overcome the poor p …
employing ultrathin Al 2 O 3 at the interface, has shown the feasibility to overcome the poor p …
Vacancy-type defects in Al2O3/GaN structure probed by monoenergetic positron beams
A Uedono, T Nabatame, W Egger, T Koschine… - Journal of applied …, 2018 - pubs.aip.org
Defects in the Al 2 O 3 (25 nm)/GaN structure were probed by using monoenergetic positron
beams. Al 2 O 3 films were deposited on GaN by atomic layer deposition at 300 C …
beams. Al 2 O 3 films were deposited on GaN by atomic layer deposition at 300 C …
[HTML][HTML] Interfacial band parameters of ultrathin ALD-ZrO2 on Ga-polar GaN through XPS measurements
Recent demonstrations of grafted pn junctions combining n-type GaN with p-type
semiconductors have shown great potential in achieving lattice-mismatch epitaxy-like …
semiconductors have shown great potential in achieving lattice-mismatch epitaxy-like …
Effects of carbon impurity in ALD-Al2O3 film on HAXPES spectrum and electrical properties of Al2O3/AlGaN/GaN MIS structure
T Shibata, M Uenuma, T Yamada… - Japanese Journal of …, 2022 - iopscience.iop.org
In this study, the effects of carbon impurity in the atomic layer deposited-Al 2 O 3 film on the
hard X-ray photoelectron spectroscopy (HAXPES) spectra and the electrical properties of …
hard X-ray photoelectron spectroscopy (HAXPES) spectra and the electrical properties of …
In situ h-radical surface treatment on aluminum gallium nitride for high-performance aluminum gallium nitride/gallium nitride mis-hemts fabrication
Y Yang, R Fan, P Zhang, L Wang, M Pan, Q Wang… - Micromachines, 2023 - mdpi.com
In this work, we demonstrated a low current collapse normally on Al2O3/AlGaN/GaN MIS-
HEMT with in situ H-radical surface treatment on AlGaN. The in situ atomic pretreatment was …
HEMT with in situ H-radical surface treatment on AlGaN. The in situ atomic pretreatment was …