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 …

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 …

The impact of mechanical stress on the degradation of AlGaN/GaN high electron mobility transistors

S Choi, E Heller, D Dorsey, R Vetury… - Journal of Applied …, 2013 - pubs.aip.org
Coupled electro-thermo-mechanical simulation and Raman thermometry were utilized to
analyze the evolution of mechanical stress in AlGaN/GaN high electron mobility transistors …

Reliability studies of AlGaN/GaN high electron mobility transistors

DJ Cheney, EA Douglas, L Liu, CF Lo… - Semiconductor …, 2013 - iopscience.iop.org
AlGaN/GaN high electron mobility transistors are gaining commercial acceptance for use in
high power and high frequency applications, but the degradation mechanisms that drive …

DC characteristics of ALD-grown Al2O3/AlGaN/GaN MIS-HEMTs and HEMTs at 600° C in air

AJ Suria, AS Yalamarthy, H So… - … Science and Technology, 2016 - iopscience.iop.org
To the best of our knowledge, the 600 C device characteristics detailed here reflect the
highest operation temperature reported for AlGaN/GaN metal-insulator-semiconductor high …

Transient thermoreflectance for gate temperature assessment in pulse operated GaN-based HEMTs

S Martin-Horcajo, JW Pomeroy… - IEEE Electron …, 2016 - ieeexplore.ieee.org
An experimental method to measure the gate metal temperature of GaN-based high electron
mobility transistors is demonstrated. The technique is based on transient thermoreflectance …

Low temperature recovery of OFF-state stress induced degradation of AlGaN/GaN high electron mobility transistors

NS Al-Mamun, D Sheyfer, W Liu, A Haque… - Applied Physics …, 2024 - pubs.aip.org
Thermal annealing is a widely used strategy to enhance semiconductor device performance.
However, the process is complex for multi-material multi-layered semiconductor devices …

Diamond micro-Raman thermometers for accurate gate temperature measurements

RB Simon, JW Pomeroy, M Kuball - Applied Physics Letters, 2014 - pubs.aip.org
Determining the peak channel temperature in AlGaN/GaN high electron mobility transistors
and other devices with high accuracy is an important and challenging issue. A surface …

[HTML][HTML] Real-time visualization of GaN/AlGaN high electron mobility transistor failure at off-state

Z Islam, A Haque, N Glavin - Applied Physics Letters, 2018 - pubs.aip.org
Degradation and failure phenomena in high electron mobility transistors (HEMTs) are
complex functions of electrical, thermal, and mechanical stresses as well as the quality of the …

[HTML][HTML] Impact of high-temperature operating lifetime tests on the stability of 0.15 μm AlGaN/GaN HEMTs: A temperature-dependent analysis

M Pilati, M Buffolo, F Rampazzo, B Lambert… - Microelectronics …, 2023 - Elsevier
We present a detailed analysis of the effect of low-and high-temperature operating lifetime
(LTOL and HTOL) carried out on 0.15 μm GaN HEMTs for RF applications. Based on several …