Results 41 to 50 of about 43,262 (231)

AlN/GaN-based MOS-HEMT technology: processing and device results [PDF]

open access: yes, 2011
Process development of AlN/GaN MOS-HEMTs is presented, along with issues and problems concerning the fabrication processes. The developed technology uses thermally grown Al<sub>2</sub>O<sub>3</sub> as a gate dielectric and surface
Wasige, E.   +5 more
core   +1 more source

Technology and Reliability of Normally-Off GaN HEMTs with p-Type Gate

open access: yesEnergies, 2017
GaN-based transistors with p-GaN gate are commonly accepted as promising devices for application in power converters, thanks to the positive and stable threshold voltage, the low on-resistance and the high breakdown field.
Matteo Meneghini   +3 more
doaj   +1 more source

Review on Main Gate Characteristics of P-Type GaN Gate High-Electron-Mobility Transistors

open access: yesMicromachines, 2023
As wide bandgap semiconductors, gallium nitride (GaN) lateral high-electron-mobility transistors (HEMTs) possess high breakdown voltage, low resistance and high frequency performance.
Zhongxu Wang   +5 more
doaj   +1 more source

Study of Magnesium Activation Effect on Pinch-Off Voltage of Normally-Off p-GaN HEMTs for Power Applications

open access: yesCrystals, 2023
The role of the magnesium (Mg) doping and its electrical activation on the off-state of p-GaN/AlGaN/GaN HEMTs has been investigated in this work. Firstly, the effect of different Mg doping profiles has been studied via the help of Technology Computer ...
Giovanni Giorgino   +8 more
doaj   +1 more source

Enhancement of Breakdown Voltage in p-GaN Gate AlGaN/GaN HEMTs With a Stepped Hybrid GaN/AlN Buffer Layer

open access: yesIEEE Journal of the Electron Devices Society, 2022
A novel p-GaN gate AlGaN/GaN high electron mobility transistor (HEMT) structure with a stepped hybrid GaN/AlN buffer layer (S-HEMT) is proposed and simulated by the Sentaurus TCAD in this paper.
Yuan Wang   +5 more
doaj   +1 more source

The Role of Frequency and Duty Cycle on the Gate Reliability of p-GaN HEMTs

open access: yesIEEE Electron Device Letters, 2022
In this letter, we present an extensive analysis on the role of both switching frequency (ranging from 100 kHz to 1 MHz) and duty cycle (from 10% to 90%) on the time-dependent gate breakdown of high electron mobility transistors (HEMTs) with Schottky metal to p-GaN gate.
M. Millesimo   +7 more
openaire   +2 more sources

Gate Characteristics of Enhancement-Mode Fully Depleted p-GaN Gate HEMT

open access: yes, 2023
The conventional p -GaN in Schottky-type p -GaN gate HEMTs is converted into an insulator-like p -GaN, i.e., fully depleted p -GaN in the reverse-biased Schottky junction under forward gate bias ( VGS ), by inadequate activation of Mg.
Zheng, Zheyang   +7 more
core   +1 more source

Breakdown enhancement and hot electrons mitigation for p-GaN gate HEMTs by electric field modulation

open access: yesResults in Physics, 2023
In this article, an enhancement mode (E-mode) p-GaN gate AlGaN/GaN high electron mobility transistor (HEMT) with the novel strain technology (NST) has been proposed.
Jingyu Shen   +4 more
doaj   +1 more source

High-Temperature Time-Dependent Gate Breakdown of p-GaN HEMTs

open access: yesIEEE Transactions on Electron Devices, 2021
In this article, we present an in-depth high-temperature analysis of the long-term gate reliability in GaN-based power high-electron-mobility transistors (HEMTs) with p-type gate. Three different isolation process options, aimed at improving the time-dependent gate breakdown (TDGB), are proposed and compared by means of constant voltage stress tests ...
M. Millesimo   +6 more
openaire   +2 more sources

GAN‐LSTM‐3D: An efficient method for lung tumour 3D reconstruction enhanced by attention‐based LSTM

open access: yesCAAI Transactions on Intelligence Technology, EarlyView., 2023
Abstract Three‐dimensional (3D) image reconstruction of tumours can visualise their structures with precision and high resolution. In this article, GAN‐LSTM‐3D method is proposed for 3D reconstruction of lung cancer tumours from 2D CT images. Our method consists of three phases: lung segmentation, tumour segmentation, and tumour 3D reconstruction. Lung
Lu Hong   +12 more
wiley   +1 more source

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