Electronic surface and dielectric interface states on GaN and AlGaN

BS Eller, J Yang, RJ Nemanich - … of Vacuum Science & Technology A, 2013 - pubs.aip.org
GaN and AlGaN have shown great potential in next-generation high-power electronic
devices; however, they are plagued by a high density of interface states that affect device …

Stability and reliability of lateral GaN power field-effect transistors

JA Del Alamo, ES Lee - IEEE Transactions on Electron Devices, 2019 - ieeexplore.ieee.org
GaN electronics constitutes a revolutionary technology with power handling capabilities that
amply exceed those of Si and other semiconductors in many applications. RF, microwave …

Analysis of DC–RF dispersion in AlGaN/GaN HFETs using RF waveform engineering

C Roff, J Benedikt, PJ Tasker, DJ Wallis… - … on Electron Devices, 2008 - ieeexplore.ieee.org
This paper describes how dc-radio-frequency (RF) dispersion manifests itself in AlGaN/GaN
heterojunction field-effect transistors when the devices are driven into different RF load …

Characterization and modeling of 2DEG mobility in AlGaN/AlN/GaN MIS-HEMT

I Nifa, C Leroux, A Torres, M Charles… - Microelectronic …, 2019 - Elsevier
We present a detailed study of the process influence on two-dimensional electron gas
(2DEG) transport properties in Al 0.25 Ga 0.75 N/AlN/GaN heterostructure. Hall effect …

Study of charge trap** effects on AlGaN/GaN HEMTs under UV illumination with pulsed IV measurement

V Nagarajan, KM Chen, BY Chen… - … on Device and …, 2020 - ieeexplore.ieee.org
The charge trap** effects on AlGaN/GaN HEMTs under UV illumination are investigated
using the pulsed current-voltage (IV) measurement method. The test samples are …

Study of AlGaN/GaN vertical superjunction HEMT for improvement of breakdown voltage and specific on-resistance

M Zhang, Z Guo, Y Huang, Y Li, J Ma, X **a… - IEEE …, 2021 - ieeexplore.ieee.org
A GaN-based vertical superjunction high electron mobility transistor (SJ HEMT) with a
composite structure (CS-SJ HEMT) is proposed and analyzed by Silvaco TCAD to improve …

Off-state leakage and current collapse in AlGaN/GaN HEMTs: a virtual gate induced by dislocations

S Ghosh, S Das, SM Dinara, A Bag… - … on Electron Devices, 2018 - ieeexplore.ieee.org
The existence of a correlation between current collapse and off-state reverse-bias leakage
current in heteroepitaxially grown AlGaN/GaN high-electron-mobility transistors is …

Figures-of-merit of lateral GaN power devices: Modeling and comparison of HEMTs and PSJs

L Nela, C Erine, MV Oropallo… - IEEE Journal of the …, 2021 - ieeexplore.ieee.org
In this work, we propose a simple and yet accurate physical model to describe the figures-of-
merit (FOMs) of lateral GaN power devices. While the performance limit of vertical devices is …

Intrinsic polarization super junctions: Design of single and multichannel GaN structures

L Nela, C Erine, AM Zadeh… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Super junctions (SJs) have enabled unprecedented performance in Silicon power devices,
which could be further improved by applying this concept to wide bandgap semiconductors …

AlGaN/GaN metal–oxide–semiconductor heterostructure field-effect transistors with 4 nm thick Al2O3 gate oxide

D Gregušová, R Stoklas, K Čičo… - Semiconductor …, 2007 - iopscience.iop.org
AlGaN/GaN metal–oxide–semiconductor heterostructure field-effect transistors (MOSHFETs)
with 4 nm thick Al 2 O 3 gate oxide were prepared and their performance was compared with …