Results 41 to 50 of about 122,529 (265)

Heat and Fluid Flow in Solvothermal Autoclave for Single-Crystal Growth Process

open access: yesJournal of Thermal Science and Technology, 2012
We report and discuss an experiment and numerical simulation of heat transfer by natural convection inside an autoclave for the solvothermal growth of bulk crystalline GaN.
Yoshio MASUDA   +3 more
doaj   +1 more source

Communication et études de l’IA : mémoire du futur

open access: yesInterfaces Numériques, 2020
Pour aborder la question de la mémoire du futur, ce texte se centre sur un récit de vie que nous avons recueilli auprès de Grégory Chatonsky, artiste dont la production est fortement imprégnée par les outils d’intelligence artificielle. Parmi ces outils,
Franck Renucci   +2 more
doaj   +1 more source

Device characterization of gallium nitride high electron mobility transistor with a boron nitride heat-spreading element

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2023
A local thermal management solution for high electron mobility transistors based on GaN was developed using a BN layer as a heat-spreading element. The thermally conducting and electrically insulating nature of BN allows it to be placed close to the ...
V. S. Volcheck, V. R. Stempitsky
doaj   +1 more source

BiVi-GAN: Bivariate Vibration GAN

open access: yesSensors
In the domain of prognosis and health management (PHM) for rotating machinery, the criticality of ensuring equipment reliability cannot be overstated. With developments in artificial intelligence (AI) and deep learning, there have been numerous attempts to use those methodologies in PHM.
HoeJun Jeong   +3 more
openaire   +3 more sources

On GANs and GMMs

open access: yesCoRR, 2018
A longstanding problem in machine learning is to find unsupervised methods that can learn the statistical structure of high dimensional signals. In recent years, GANs have gained much attention as a possible solution to the problem, and in particular have shown the ability to generate remarkably realistic high resolution sampled images.
Eitan Richardson, Yair Weiss
openaire   +3 more sources

Workflow for Design of Experiments‐Based Modeling of Species Transport and Growth Kinetics in GaN Hydride Vapor Phase Epitaxy

open access: yesAdvanced Engineering Materials, EarlyView.
A novel workflow for investigating hydride vapor phase epitaxy for GaN bulk crystal growth is proposed. It combines Design of experiments (DoE) with physical simulations of mass transport and crystal growth kinetics, serving as an intermediate step between DoE and experiments.
J. Tomkovič   +7 more
wiley   +1 more source

Effects of parasitic gate capacitance and gate resistance on radiofrequency performance in LG = 0.15 μm GaN high-electron-mobility transistors for X-band applications

open access: yesETRI Journal
The effects of the parasitic gate capacitance and gate resistance (Rg) on the radiofrequency (RF) performance are investigated in LG = 0.15 μm GaN high-electron-mobility transistors with T-gate head size ranging from 0.83 to 1.08 μm.
Sung-Jae Chang   +11 more
doaj   +1 more source

Integrated design of GaN-on-Si power devices and drivers

open access: yesDianzi Jishu Yingyong
An all-GaN power chip is designed to meet the application requirements of high-frequency power modules. The chip integrates the driver circuit and 300 V power devices, which effectively reduces the parasitic inductance caused by the discrete package, and
Yan Zhangzhe, Zhou Jianjun, Kong Yuechan
doaj   +1 more source

Investigation of Recessed Gate AlGaN/GaN MIS-HEMTs with Double AlGaN Barrier Designs toward an Enhancement-Mode Characteristic

open access: yesMicromachines, 2020
In this work, recessed gate AlGaN/GaN metal-insulator-semiconductor high-electron-mobility transistors (MIS-HEMTs) with double AlGaN barrier designs are fabricated and investigated. Two different recessed depths are designed, leading to a 5 nm and a 3 nm
Tian-Li Wu   +2 more
doaj   +1 more source

Polarization effects in AlGaN/GaN and GaN/AlGaN/GaN heterostructures [PDF]

open access: yesJournal of Applied Physics, 2003
The influence of AlGaN and GaN cap layer thickness on Hall sheet carrier density and mobility was investigated for Al0.32Ga0.68N/GaN and GaN/Al0.32Ga0.68N/GaN heterostructures deposited on sapphire substrates. The sheet carrier density was found to increase and saturate with the AlGaN layer thickness, while for the GaN-capped structures it decreased ...
Heikman, S   +5 more
openaire   +2 more sources

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