GaN HEMT reliability

JA del Alamo, J Joh - Microelectronics reliability, 2009 - Elsevier
This paper reviews the experimental evidence behind a new failure mechanism recently
identified in GaN high-electron mobility transistors subject to electrical stress. Under high …

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 …

AlGaN/GaN-based HEMTs failure physics and reliability: Mechanisms affecting gate edge and Schottky junction

E Zanoni, M Meneghini, A Chini… - … on Electron Devices, 2013 - ieeexplore.ieee.org
This paper presents a comprehensive review of AlGaN/GaN high electron mobility transistor
failure physics and reliability, focusing on mechanisms affecting the gate-drain edge, where …

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
Trapping is one of the most deleterious effects that limit performance and reliability in GaN
HEMTs. In this paper, we present a methodology to study trapping characteristics in GaN …

Investigation of trapping 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 trapping and hot-electron
effects in GaN-based high-electron mobility transistors (HEMTs). The presented method is …

An overview on analyses and suppression methods of trapping effects in AlGaN/GaN HEMTs

R Ye, X Cai, C Du, H Liu, Y Zhang, X Duan… - IEEE Access, 2021 - ieeexplore.ieee.org
Due to the excellent material characteristics, AlGaN/GaN HEMTs are widely used in high
power and high frequency applications. However, the existence of damages, defects and …

Integrated optical and electrical analysis: Identifying location and properties of traps in AlGaN/GaN HEMTs during electrical stress

M Ťapajna, RJT Simms, Y Pei… - IEEE Electron Device …, 2010 - ieeexplore.ieee.org
A new methodology is developed to determine spatial location and properties of traps
generated by electrical stressing of AlGaN/GaN high-electron mobility transistors, based on …

A model for the critical voltage for electrical degradation of GaN high electron mobility transistors

J Joh, F Gao, T Palacios, JA Del Alamo - Microelectronics reliability, 2010 - Elsevier
It has recently been postulated that GaN high electron mobility transistors under high voltage
stress degrade as a result of defect formation induced by excessive mechanical stress that is …

Trapping 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 trapping processes and of the reliability of
experimental AlGaN/GaN MIS-HEMTs, grown on silicon substrate. The study is based on …