Mechanisms of RF current collapse in AlGaN–GaN high electron mobility transistors

M Faqir, G Verzellesi, A Chini, F Fantini… - … on Device and …, 2008 - ieeexplore.ieee.org
The physical mechanisms underlying RF current-collapse effects in AlGaN-GaN high-
electron-mobility transistors are investigated by means of measurements and numerical …

Dispersive effects in microwave AlGaN/AlN/GaN HEMTs with carbon-doped buffer

S Gustafsson, JT Chen, J Bergsten… - … on Electron Devices, 2015 - ieeexplore.ieee.org
Aluminium gallium nitride (AlGaN)/GaN high-electron mobility transistor performance is to a
large extent affected by the buffer design, which, in this paper, is varied using different levels …

Analysis of AlN/AlGaN/GaN metal-insulator-semiconductor structure by using capacitance-frequency-temperature mapping

HA Shih, M Kudo, T Suzuki - Applied Physics Letters, 2012 - pubs.aip.org
AlN/AlGaN/GaN metal-insulator-semiconductor (MIS) structure is analyzed by using
capacitance-frequency-temperature (CfT) mapping. Applying sputtering-deposited AlN, we …

Influence of the interface acceptor-like traps on the transient response of AlGaN/GaN HEMTs

W Zhang, Y Zhang, W Mao, XH Ma… - IEEE Electron …, 2012 - ieeexplore.ieee.org
In this letter, the effects of the interface acceptor-like traps on the transient responses of
AlGaN/GaN high-electron mobility transistors (HEMTs) are investigated by means of …

Reliability issues in GaN electronic devices

M Ťapajna, C Koller - Nitride Semiconductor Technology …, 2020 - Wiley Online Library
GaN‐based power amplifiers for RF, microwave, and millimeter‐wave applications are now
available in the market, and compact GaN‐based power converters are currently entering …

Spatially-discriminating trap characterization methods for HEMTs and their application to RF-stressed AlGaN/GaN HEMTs

AR Arehart, A Sasikumar, GD Via… - 2010 International …, 2010 - ieeexplore.ieee.org
New constant drain-current deep level optical/transient spectroscopy (CI D-DLTS/DLOS)
methods to quantify trap energies and concentrations in AlGaN/GaN high electron mobility …

Correlation between Kink effect and trapping mechanism through H1 hole trap in Al0.22Ga0.78N/GaN/SiC HEMTs by current DLTS: field effect enhancement

I Jabbari, M Baira, H Maaref - Applied Physics A, 2020 - Springer
A cryogenic investigation of the Kink effect with drain-source bias sweeping process during
output characteristics is suggested. An exhaustive study of the field effect dependence on …

Two-dimensional transient simulations of the self-heating effects in GaN-based HEMTs

Y Zhang, S Feng, H Zhu, J Zhang, B Deng - Microelectronics Reliability, 2013 - Elsevier
The characteristics of transient temperature under the pulse on and cycle pulse mode are
studied for GaN-based HEMT. The increase of channel transient temperature under pulse …

Effects of negative bias stress on trapping properties of AlGaN/GaN Schottky barrier diodes

P Ferrandis, M Charles, C Gillot, R Escoffier… - Microelectronic …, 2017 - Elsevier
Power diodes or transistors must be able to work in high voltage/high current use, for
instance in AC/DC converters. However, in such aggressive conditions trapping effects can …

Trapping phenomena in AlGaN and InAlN barrier HEMTs with different geometries

S Martin-Horcajo, A Wang, A Bosca… - Semiconductor …, 2015 - iopscience.iop.org
Trapping effects were evaluated by means of pulsed measurements under different
quiescent biases for GaN/AlGaN/GaN and GaN/InAlN/GaN. It was found that devices with an …