Deep traps in GaN-based structures as affecting the performance of GaN devices

AY Polyakov, IH Lee - Materials Science and Engineering: R: Reports, 2015 - Elsevier
New developments in theoretical studies of defects and impurities in III-Nitrides as pertinent
to compensation and recombination in these materials are discussed. New results on …

GaN-based power devices: Physics, reliability, and perspectives

M Meneghini, C De Santi, I Abid, M Buffolo… - Journal of Applied …, 2021 - pubs.aip.org
Over the last decade, gallium nitride (GaN) has emerged as an excellent material for the
fabrication of power devices. Among the semiconductors for which power devices are …

Deep-level characterization in GaN HEMTs-Part I: Advantages and limitations of drain current transient measurements

D Bisi, M Meneghini, C De Santi, A Chini… - … on electron devices, 2013 - ieeexplore.ieee.org
This paper critically investigates the advantages and limitations of the current-transient
methods used for the study of the deep levels in GaN-based high-electron mobility …

A current-transient methodology for trap analysis for GaN high electron mobility transistors

J Joh, JA Del Alamo - IEEE Transactions on Electron Devices, 2010 - ieeexplore.ieee.org
Trap** is one of the most deleterious effects that limit performance and reliability in GaN
HEMTs. In this paper, we present a methodology to study trap** characteristics in GaN …

Flexible gallium nitride for high‐performance, strainable radio‐frequency devices

NR Glavin, KD Chabak, ER Heller, EA Moore… - Advanced …, 2017 - Wiley Online Library
Flexible gallium nitride (GaN) thin films can enable future strainable and conformal devices
for transmission of radio‐frequency (RF) signals over large distances for more efficient …

Investigation of trap** and hot-electron effects in GaN HEMTs by means of a combined electrooptical method

M Meneghini, N Ronchi, A Stocco… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
This paper presents a fast methodology for the investigation of trap** and hot-electron
effects in GaN-based high-electron mobility transistors (HEMTs). The presented method is …

Experimental and numerical analysis of hole emission process from carbon-related traps in GaN buffer layers

A Chini, G Meneghesso, M Meneghini… - … on Electron Devices, 2016 - ieeexplore.ieee.org
The role of carbon-related traps in GaN-based ungated high-electron mobility transistor
structures has been investigated both experimentally and by means of numerical …

Trap** phenomena in AlGaN/GaN HEMTs: A study based on pulsed and transient measurements

G Meneghesso, M Meneghini, D Bisi… - Semiconductor …, 2013 - iopscience.iop.org
Slow trap** phenomenon in AlGaN/GaN HEMTs has been extensively analyzed and
described in this paper. Thanks to a detailed investigation, based on a combined pulsed and …

Trap-state map** to model GaN transistors dynamic performance

N Modolo, C De Santi, A Minetto, L Sayadi, G Prechtl… - Scientific Reports, 2022 - nature.com
Trap** phenomena degrade the dynamic performance of wide-bandgap transistors.
However, the identification of the related traps is challenging, especially in presence of non …

Trap** and reliability assessment in D-mode GaN-based MIS-HEMTs for power applications

M Meneghini, D Bisi, D Marcon… - … on Power Electronics, 2013 - ieeexplore.ieee.org
This paper reports on an extensive analysis of the trap** processes and of the reliability of
experimental AlGaN/GaN MIS-HEMTs, grown on silicon substrate. The study is based on …