Electron heat source driven heat transport in GaN at nanoscale: electron–phonon Monte Carlo simulations and a two temperature model

A Muthukunnil Joseph, B Cao - Materials, 2022 - mdpi.com
The thermal energy transport in semiconductors is mostly determined by phonon transport.
However in polar semiconductors like GaN electronic contribution to the thermal transport is …

Theoretical prediction of mobility improvement in GaN-based HEMTs at high carrier densities

I Berdalovic, M Poljak, T Suligoj - IEEE transactions on electron …, 2023 - ieeexplore.ieee.org
In this article, we use a semiclassical low-field mobility modeling framework, which includes
all relevant scattering mechanisms, to examine the dependence of electron mobility on 2-D …

A comprehensive analysis of AlN spacer and AlGaN n-doping effects on the 2DEG resistance in AlGaN/AlN/GaN heterostructures

C Piotrowicz, B Mohamad, B Rrustemi, N Malbert… - Solid-State …, 2022 - Elsevier
In this paper, several epitaxial variations influencing the two-dimensional electron gas
(2DEG) in AlGaN/AlN/GaN heterostructures are investigated. The effects of an n-doped …

Influence of AlGaN n-type doping and AlN thickness on the two-dimensional electron gas density (ns) and resistance (R2DEG)

C Piotrowicz, B Mohamad, N Malbert, MA Jaud… - Solid-State …, 2023 - Elsevier
In this paper, electrical characterizations by C (VG) and ID (VG) and comparison with 1D
Schrödinger-Poisson simulations are carried out to investigate the effects of AlN layer …

Calculation of the mobility in Al2O3/GaN electron channel: Effect of p-doping and comparison with experiments

B Rrustemi, F Triozon, MA Jaud, W Vandendaele… - Solid-State …, 2022 - Elsevier
The low field electron mobility of Al 2 O 3/GaN channel is calculated using a semi-classical
framework. The aim is to obtain the mobility as a function of the electron sheet density and …

Hole mobility enhancement mechanism of Wurtzite GaN/AlN heterojunction quantum well under tensile and compressive stresses

X Li, Y Liu, J Wang, E Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The hole mobility enhancement mechanism of wurtzite (0001)-oriented gallium nitride
(GaN)/AlN heterojunction quantum well (QW) under stress engineering is investigated to …

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 …

[HTML][HTML] Modeling interface roughness scattering with incorporation of potential energy and wave-function fluctuations: Enhancing mobility in AlN/GaN digital alloys

G Hong, A Chaney, A Charnas, Y Kim, TJ Asel… - Journal of Applied …, 2024 - pubs.aip.org
Interface roughness (IFR) scattering significantly impacts the mobility of two-dimensional
electron gases (2DEGs) in heterostructures. While existing models for IFR scattering have …

Modelling of electrostatics and transport in GaN-based HEMTs under non-equilibrium conditions

I Berdalović, M Poljak, T Suligoj - 2021 44th International …, 2021 - ieeexplore.ieee.org
High electron mobility transistors (HEMTs) consisting of GaN and its alloys, most commonly
AlGaN, have been gaining popularity as the next generation of high-speed devices for …

Analysis of Improved 2D Electron Gas Mobility in InAlN/AlN/InGaN High‐Electron‐Mobility Transistors with GaN Interlayer

J Tang, G Liu, B Mao, G Zhao… - physica status solidi (RRL) …, 2022 - Wiley Online Library
Herein, the physical mechanism of the GaN interlayer for improving 2D electron gas (2DEG)
mobility in the InGaN channel using an intersub‐band scattering model is systematically …