Chip-level thermal management in GaN HEMT: Critical review on recent patents and inventions

MF Abdullah, MRM Hussin, MA Ismail… - Microelectronic …, 2023 - Elsevier
The technological development of GaN high electron mobility transistor (HEMT) is on the
right track to compete with Si and SiC-based power transistors for the market segment of> …

2.5 A/mm/350 GHz aggressively scaled gate engineered Fe-doped AlN/GaN channel HEMT with graded InGaN Backbarrier on SiC-wafer for next generation RF …

B Mounika, J Ajayan, S Bhattacharya - Materials Science and Engineering …, 2024 - Elsevier
This study intends to investigate the effects of barrier scaling, a crucial RF GaN-HEMT
design element, which is imperative to achieve enhanced performance at nano-scale …

a Recent advances in synthesis methods and surface structure manipulating strategies of copper selenide (CuSe) nanoparticles for photocatalytic environmental and …

A Chawla, A Sudhaik, R Kumar, P Raizada… - Journal of …, 2024 - Elsevier
The design and development of green and chemical nanomaterials is crucial because these
systems can possess desired and manipulative photocatalysis and electrocatalysis. To …

Investigation on effect of AlN barrier thickness and lateral scalability of Fe-doped recessed T-gate AlN/GaN/SiC HEMT with polarization-graded back barrier for future …

B Mounika, J Ajayan, S Bhattacharya, D Nirmal… - Microelectronics …, 2023 - Elsevier
In this study, the influence of AlN barrier thickness (tb) on the RF & DC performances of 50
nm recessed T-gate Fe-doped AlN/GaN/SiC HEMT is investigated. The proposed HEMT …

Impact of undoped channel thickness and carbon concentration on AlN/GaN-on-SiC HEMT performances

K Harrouche, S Venkatachalam… - Applied Physics …, 2022 - iopscience.iop.org
We report on a vertically scaled AlN/GaN high electron mobility transistor technology design
optimization for millimeter-wave applications. The undoped GaN channel thickness and …

Improved breakdown voltage mechanism in AlGaN/GaN HEMT for RF/microwave applications: design and physical insights of dual field plate

AN Khan, AM Bhat, K Jena, TR Lenka… - Microelectronics …, 2023 - Elsevier
This work investigated and proposed the source–gate dual field plate (SG-FP) AlGaN/GaN
HEMT for different gate-to-drain drift distances with a fixed gate length of 0.25 μ m using …

Design and simulation of T‐gate AlN/β‐Ga2O3 HEMT for DC, RF and high‐power nanoelectronics switching applications

R Singh, GP Rao, TR Lenka… - … Journal of Numerical …, 2024 - Wiley Online Library
In this paper, we report DC and RF analysis of a T‐gate AlN/β‐Ga2O3 high electron mobility
transistors (HEMTs) by optimizing the gate‐drain distance (L GD) and two T‐gate …

Room-temperature organic passivation for GaN-on-Si HEMTs with improved device stability

H Zhang, K Hu, Y Sun, L Yang, Z Huang… - … on Electron Devices, 2023 - ieeexplore.ieee.org
In this work, we report an effective room-temperature passivation strategy for GaN-on-Si high-
electron-mobility transistors (HEMTs) to improve device stability by introducing a spin-coated …

An intensive study on effects of lateral scaling and gate metals on the RF/DC performance of recessed T-gated Fe-doped AlN/GaN/SiC HEMTs for future RF and …

B Mounika, J Ajayan, S Bhattacharya - Microelectronic Engineering, 2023 - Elsevier
In this simulation work, the effect of Al x Ga 1-x N and In x Ga 1-x N back barriers (BB) on the
RF & DC performances of recessed T-gated Fe-doped AlN/GaN/SiC HEMT device is …

Investigation on impact of AlxGa1-xN and InGaN back barriers and source-drain spacing on the DC/RF performance of Fe-doped recessed T-gated AlN/GaN HEMT on …

B Mounika, J Ajayan, S Bhattacharya - Micro and Nanostructures, 2023 - Elsevier
The work function (φ m) of gate metal is crucial to electrical characteristics in standard GaN-
based high electron mobility transistors (HEMTs). In this simulation report, RF & DC …