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 …

High-efficiency AlGaN/GaN/graded-AlGaN/GaN double-channel HEMTs for sub-6G power amplifier applications

C Shi, L Yang, M Zhang, M Wu, B Hou… - … on Electron Devices, 2023 - ieeexplore.ieee.org
In this article, the superior power performance of a double-channel high-electron-mobility
transistor (HEMT) operating at a high drain voltage of sub-6 GHz was demonstrated using a …

Transducer-less thermoreflectance technique for measuring thermal properties of the buried buffer layer and interface in GaN-based HEMTs

C Yuan, B Meng, Y Mao, M Wu, F Jia… - ACS Applied …, 2022 - ACS Publications
Measuring the thermal properties of the buried GaN buffer layer and interface in GaN high-
electron mobility transistor (HEMT) structures is of crucial importance. This remains …

Record Power Performance of 33.1 W/mm with 62.9% PAE at X-band and 14.4 W/mm at Ka-band from AlGaN/GaN/AlN: Fe Heterostucture

L Yang, F Jia, H Lu, B Hou, M Zhang… - 2023 International …, 2023 - ieeexplore.ieee.org
In this work, we report the ultra-high RF power performance of GaN HEMTs at X-and Ka-
band achieved by AlGaN/GaN/AlN: Fe heterostructure. Without field-plate design, a record …

Defect evolution induced by low-dose neutron irradiation and elastoplastic deformation mechanism of indium-doped GaN materials

T Li, F Shang - Ceramics International, 2024 - Elsevier
The low-dose neutron irradiation defect evolution and nanoindentation response of indium
(In)-doped gallium nitride (GaN) materials are investigated in this work, which is of great …

First demonstration of state-of-the-art GaN HEMTs for power and RF applications on a unified platform with free-standing GaN substrate and Fe/C co-doped buffer

M Wu, M Zhang, L Yang, B Hou, Q Yu… - 2022 International …, 2022 - ieeexplore.ieee.org
In this paper, we report excellent power and radio frequency (RF) performances of GaN
HEMTs grown on free-standing GaN substrate using a unified Fe/C co-doped GaN buffer …

Scattering analysis of AlGaN/AlN/GaN heterostructures with Fe-doped GaN buffer

DS Arteev, AV Sakharov, WV Lundin, EE Zavarin… - Materials, 2022 - mdpi.com
The results of the study of the influence of Fe segregation into the unintentionally doped
GaN channel layer in AlGaN/AlN/GaN heterostructures with Fe-doped GaN buffer layer on …

The electrical characteristic and trap** effect of AlGaN/GaN HEMTs with Fe and Fe/C co-doped GaN buffer layer

X Su, L Yang, M Zhang, Q Zhu, W Gao, W Zhao… - Applied Physics …, 2024 - pubs.aip.org
In this work, the influence of the Fe and Fe/C co-doped buffer on the AlGaN/GaN HEMTs is
systematically investigated and compared. Due to the pronounced Fe tail in the …

Efficacy of back barrier engineered Π-gate InAlN/GaN high electron mobility transistors for high-power applications

K Sehra, A Anand, A Malik, V Kumari… - Journal of Physics D …, 2023 - iopscience.iop.org
This work investigates thin-barrier InAlN/GaN high electron mobility transistors (HEMTs) for
high-power applications through technology computer-aided design (TCAD) simulations. To …