Change of chemical bonding properties at SiNx/GaN/AlGaN interface with SiH4 flow rate and its impact on the carrier transport properties of MIS-diodes

P Dalapati, S Arulkumaran, D Mani, H Li, H Xie… - Materials Science and …, 2024 - Elsevier
The understanding of the properties of silicon nitride (SiN x) deposited by plasma-enhanced
chemical vapor deposition (PECVD) is crucial as this layer is widely used for gate dielectric …

Compatibility of AlN/SiNx Passivation With LPCVD-SiNx Gate Dielectric in GaN-Based MIS-HEMT

M Hua, Y Lu, S Liu, C Liu, K Fu, Y Cai… - IEEE Electron …, 2016 - ieeexplore.ieee.org
In this letter, we demonstrate an integrated process that illustrates the compatibility of
AlN/SiNx passivation with high-performance (ie low leakage and high breakdown) low …

AlGaN/GaN Schottky-gate HEMTs With UV/O₃-treated gate interface

K Kim, TJ Kim, H Zhang, D Liu, YH Jung… - IEEE Electron …, 2020 - ieeexplore.ieee.org
The surface condition under gate of AlGaN/GaN heterostructure plays a critical role in high-
electron mobility transistor (HEMT). In this study, the effects of ultraviolet/ozone (UV/O 3) …

Ultrahigh purity conditions for nitride growth with low oxygen content by plasma-enhanced atomic layer deposition

GB Rayner, N O'Toole, J Shallenberger… - Journal of Vacuum …, 2020 - pubs.aip.org
Ultrahigh purity (UHP) reactor conditions provide a process environment for growth of nitride
thin films with low oxygen content by plasma-enhanced atomic layer deposition (PEALD). In …

Reduced reverse gate leakage current for GaN HEMTs with 3 nm Al/40 nm SiN passivation layer

S Zhang, K Wei, XH Ma, B Hou, GG Liu… - Applied Physics …, 2019 - pubs.aip.org
An obvious increase in the gate leakage current has been commonly observed in GaN
HEMTs, after Plasma-enhanced chemical vapor deposition (PECVD) SiN passivation has …

Growth kinetics and substrate stability during high-temperature molecular beam epitaxy of AlN nanowires

P John, MG Ruiz, L van Deurzen, J Lähnemann… - …, 2023 - iopscience.iop.org
We study the molecular beam epitaxy of AlN nanowires between 950 C and 1215 C, well
above the usual growth temperatures, to identify optimal growth conditions. The nanowires …

Current collapse suppression in AlGaN/GaN HEMTs using dual-layer SiNx stressor passivation

C Deng, WC Cheng, XG Chen, KY Wen, MH He… - Applied Physics …, 2023 - pubs.aip.org
In this work, a dramatic reduction in current collapse is achieved in GaN-based high-electron-
mobility transistors (HEMTs) using dual-layer SiN x stressor passivation (DSSP), and the …

Effect of interface and bulk traps on the C–V characterization of a LPCVD-SiNx/AlGaN/GaN metal-insulator-semiconductor structure

Q Bao, S Huang, X Wang, K Wei, Y Zheng… - Semiconductor …, 2016 - iopscience.iop.org
Silicon nitride (SiN x) film grown by low-pressure chemical vapor deposition (LPCVD) is
utilized as a gate dielectric for AlGaN/GaN metal-insulator-semiconductor high-electron …

Investigation of SiNx and AlN Passivation for AlGaN/GaN High-Electron-Mobility Transistors: Role of Interface Traps and Polarization Charges

S Yang, Z Tang, M Hua, Z Zhang, J Wei… - IEEE Journal of the …, 2020 - ieeexplore.ieee.org
In this work, we studied the mechanisms and switching properties of AlGaN/GaN high-
electron-mobility-transistors (HEMTs) passivated by amorphous-SiN x and monocrystal-like …

AlN passivation effect on Au/GaN Schottky contacts

H Kim, Y Kwon, BJ Choi - Thin Solid Films, 2019 - Elsevier
Surface passivation effect with an aluminum nitride (AlN) thin film deposited by atomic layer
deposition (ALD) on metal/gallium nitride (GaN) junctions were investigated using current …