Electronic metadevices for terahertz applications

M Samizadeh Nikoo, E Matioli - Nature, 2023 - nature.com
The evolution of electronics has largely relied on downscaling to meet the continuous needs
for faster and highly integrated devices. As the channel length is reduced, however, classic …

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 …

Low trapping effects and high electron confinement in short AlN/GaN-On-SiC HEMTs by means of a thin AlGaN back barrier

K Harrouche, S Venkatachalam, L Ben-Hammou… - Micromachines, 2023 - mdpi.com
In this paper, we report on an enhancement of mm-wave power performances with a
vertically scaled AlN/GaN heterostructure. An AlGaN back barrier is introduced underneath a …

Trapping dynamics in GaN HEMTs for millimeter-wave applications: Measurement-based characterization and technology comparison

AM Angelotti, GP Gibiino, C Florian, A Santarelli - Electronics, 2021 - mdpi.com
Charge trapping effects represent a major challenge in the performance evaluation and the
measurement-based compact modeling of modern short-gate-length (ie,≤ 0.15 μm) Gallium …

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 …

TCAD modeling of GaN HEMT output admittance dispersion through trap rate equation Green's functions

E Catoggio, S Donati Guerrieri, F Bonani - Electronics, 2023 - mdpi.com
We present a novel and numerically efficient approach to analyse the sensitivity of AC
parameters to variations of traps in GaN HEMTs. The approach exploits an in-house TCAD …

[HTML][HTML] Suppression of Short-Channel Effects in AlGaN/GaN HEMTs Using SiNx Stress-Engineered Technique

C Deng, C Tang, P Wang, WC Cheng, F Du, K Wen… - Nanomaterials, 2024 - mdpi.com
In this work, we present the novel application of SiNx stress-engineering techniques for the
suppression of short-channel effects in AlGaN/GaN high-electron-mobility transistors …

A Reconfigurable Setup for the On-Wafer Characterization of the Dynamic RON of 600 V GaN Switches at Variable Operating Regimes

A Alemanno, AM Angelotti, GP Gibiino, A Santarelli… - Electronics, 2023 - mdpi.com
Charge-trapping mechanisms observed in high-voltage GaN switches are responsible for
the degradation of power converter efficiency due to modulation of the effective dynamic ON …

Development of a Space-Grade -Band MMIC Power Amplifier in GaN/Si Technology for SAR Applications

C Ramella, C Florian, MDR Garcìa… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
This article presents the complete characterization of a-band monolithic (MMIC) high-power
amplifier (HPA) developed with a commercial 100-nm gallium nitride (GaN)/Si process …

Rf gan-hemt technology evaluation framework based on drain current transient measurements

S Cangini, GP Gibiino, AM Angelotti… - … and Millimetre-Wave …, 2023 - ieeexplore.ieee.org
A comprehensive framework is proposed for the extraction of RF GaN HEMT trap-related
parameters (gate/drain lag, thermal resistance, trap activation energy, cross-section, and …