Impact of substrate and thermal boundary resistance on the performance of AlGaN/GaN HEMTs analyzed by means of electro-thermal Monte Carlo simulations

S García, I Íñiguez-de-la-Torre, J Mateos… - Semiconductor …, 2016 - iopscience.iop.org
In this paper, we present results from the simulations of a submicrometer AlGaN/GaN high-
electron-mobility transistor (HEMT) by using an in-house electro-thermal Monte Carlo …

On the practical limitations for the generation of Gunn oscillations in highly doped GaN diodes

S García-Sánchez, M Abou Daher… - … on Electron Devices, 2023 - ieeexplore.ieee.org
Planar Gunn diodes based on doped GaN active layers with different geometries have been
fabricated and characterized. Gunn oscillations have not been observed due to the …

Hybrid AI-thermal model trained via Monte Carlo simulations to study self-heating effects

S García-Sánchez, I Íñiguez-de-la-Torre… - … on Electron Devices, 2024 - ieeexplore.ieee.org
This article presents a hybrid artificial intelligence (AI)-thermal model for the determination of
the current and lattice temperature of a device under a given bias voltage. The model is …

Optimized V-shape design of GaN nanodiodes for the generation of Gunn oscillations

JF Millithaler, I Íñiguez-de-la-Torre… - Applied Physics …, 2014 - pubs.aip.org
In this work, recent advances in the design of GaN planar Gunn diodes with asymmetric
shape, so-called self-switching diodes, are presented. A particular geometry for the …

Analysis of notch-δ-doped GaAs-based Gunn diodes

SAM Akhbar, DS Ong - Journal of Physics D: Applied Physics, 2022 - iopscience.iop.org
The performances of GaAs-based Gunn diodes with notch-δ-doped structures are studied in
this work. The δ-doped effect is analysed using Monte Carlo modelling in terms of temporal …

Reverse-bias current hysteresis at low temperature in GaN Schottky barrier diodes

B Orfao, M Abou Daher, RA Peña, BG Vasallo… - Journal of Applied …, 2024 - pubs.aip.org
In this paper, we report an analysis of reverse current mechanisms observed in GaN
Schottky barrier diodes leading to hysteretic behavior of the I–V curves at low temperature …

Analysis of the THz responsivity of AlGaN/GaN HEMTs by means of Monte Carlo simulations

S García-Sánchez… - … on Electron Devices, 2024 - ieeexplore.ieee.org
In this work, by means of Monte Carlo (MC) simulations, the current responsivity of
AlGaN/GaN HEMTs operating as zero-bias detectors is analyzed, reaching the THz …

Optimization of the epilayer design for the fabrication of doped GaN planar Gunn diodes

S Garcia-Sanchez, I Iniguez-de-la-Torre… - … on Electron Devices, 2021 - ieeexplore.ieee.org
By means of Monte Carlo simulations of gallium nitride (GaN) planar Gunn diodes, the
epilayer structure on which they are fabricated is optimized in order to achieve ultrahigh …

[HTML][HTML] Monte Carlo analysis of thermal effects in the DC and AC performance of AlGaN/GaN HEMTs

H Sánchez-Martín, I Íñiguez-de-la-Torre… - Solid-State …, 2022 - Elsevier
The influence of thermal effects in AlGaN/GaN HEMTs is studied by means of Monte Carlo
simulations. Measured output and transfer characteristics of a transistor are well reproduced …

Analysis of surface charge effects and edge fringing capacitance in planar GaAs and GaN Schottky barrier diodes

B Orfao, BG Vasallo, D Moro-Melgar… - … on Electron Devices, 2020 - ieeexplore.ieee.org
In this article, by means of a 2-D ensemble Monte Carlo simulator, the Schottky barrier
diodes (SBDs) with realistic geometries based on GaAs and GaN are studied as promising …