Recent developments and prospects of fully recessed MIS gate structures for GaN on Si power transistors

P Fernandes Paes Pinto Rocha, L Vauche… - Energies, 2023 - mdpi.com
For high electron mobility transistors (HEMTs) power transistors based on AlGaN/GaN
heterojunction, p-GaN gate has been the gate topology commonly used to deplete the two …

NH3 Plasma-Treated Magnesium Doped Zinc Oxide in Biomedical Sensors with Electrolyte–Insulator–Semiconductor (EIS) Structure for Urea and Glucose …

CF Lin, CH Kao, CY Lin, KL Chen, YH Lin - Nanomaterials, 2020 - mdpi.com
This study compared the sensing characteristics of ZnO (ZO) treated with ammonia (NH3)
plasma for 1 min, 3 min, and 6 min, under the EIS structure. The measurement results …

[HTML][HTML] Investigation and optimization of HfO2 gate dielectric on N-polar GaN: Impact of surface treatments, deposition, and annealing conditions

S Mohanty, I Sayed, ZA Jian, U Mishra… - Applied Physics …, 2021 - pubs.aip.org
UV-assisted capacitance–voltage (C–V) and current–voltage (I–V) measurements were
performed on∼ 20 nm HfO 2/GaN metal–insulator–semiconductor capacitors. The effects of …

Investigation of Interface, Border and Bulk Traps of Al2O3/β-Ga2O3 MOS Capacitors via O2 Plasma Treatment

S Du, Y Lin, H Xu, H Long - Micro and Nanostructures, 2024 - Elsevier
Abstract While Gallium Oxide (Ga 2 O 3) metal-oxide-semiconductor field-effect transistors
(MOSFETs) hold great potential for high power applications, effective control of the MOS …

SiO2‐GaN Interface Improvement by Wet Cleaning and In Situ Annealing for GaN MOS Transistors

M Henn, J Ziegler, C Huber… - … status solidi (a), 2024 - Wiley Online Library
Herein, ex situ wet cleaning and in situ high‐temperature annealing of GaN surfaces prior to
low pressure chemical vapor deposition (LPCVD) of the SiO2 gate oxide, aiming at effective …

[PDF][PDF] Investigation and optimization of HfO

S Mohanty, I Sayed, ZA Jian, U Mishra… - Appl. Phys. Lett, 2021 - researchgate.net
ABSTRACT UV-assisted capacitance–voltage (C–V) and current–voltage (I–V)
measurements were performed on $20 nm HfO2/GaN metal–insulator–semiconductor …

Influence of the Cl2 etching on the Al2O3/GaN metal–oxide–semiconductor interface

T Meyer, S Boubenia, C Petit-Etienne… - Journal of Vacuum …, 2022 - pubs.aip.org
Controlling the plasma etching step involved in metal-oxide-semiconductor high-electron-
mobility-transistor (MOSHEMT) GaN fabrication is essential for device performance and …

Improved performance of enhancement-mode GaN MIS-FET based on a self-terminating gate recess etching technique with in situ NH3 pre-treatment

B Zhang, J Wang, M Li, C Huang, J He… - Japanese Journal of …, 2022 - iopscience.iop.org
Based on a self-terminating gate recess etching technique, we successfully fabricated a high-
breakdown-voltage and high-threshold-voltage normally-off SiN/AlN/GaN-on-Si metal …

N-polar GaN HEMT with HfO2 as Gate Dielectric for mm-wave Applications

S Mohanty - 2023 - deepblue.lib.umich.edu
N-polar GaN-based HEMTs have shown tremendous promises for high-power high-
frequency (30-110 GHz) applications due to several advantages such as better pinch-off …

ALD oxides for GaN interfaces: a comparative view on the flat band

R Tomašiūnas, I Reklaitis, E Radiunas… - 2019 21st …, 2019 - ieeexplore.ieee.org
We have deposited a series of ALD oxides HfO 2, ZrO 2, Ta 2 O 5, Y 2 O 3, SiO 2, Al 2 O 3
within same reactor and prepared as GaN-MOS structure. A comprehensible diverse …