Results 61 to 70 of about 25,827,177 (224)
High Power Added Efficiency Enhancement-Mode Γ-Gate RF HEMT With High/Low p-GaN Doping Profile
$0.5~\mu $ m enhancement-mode (E-mode) p-GaN $\Gamma $ -gate RF HEMT with engineered Mg doping profile in p-GaN layer was studied for high power amplifier application.
Hsien-Chin Chiu +6 more
doaj +1 more source
Total ionizing dose effect of enhanced AlGaN/GaN HEMT devices under different bias
BackgroundGallium nitride (GaN) power devices have garnered attention in the anti-irradiation field owing to their excellent performance.PurposeThis study aims to explore the anti-γ-ray damage ability of gallium nitride power devices and clarify the ...
QIU Yiwu +4 more
doaj +1 more source
Ferroelectric Polarization Enabled Threshold Voltage Modulation in High Electron Mobility Transistor
A comprehensive model is developed to capture the coupled electrostatics of a ferroelectric capacitor and a metal‐insulator‐semiconductor high electron mobility transistor (MISHEMT) connected in ferroelectric‐metal high electron mobility transistor (FeMHEMT) configuration.
Wentian Gao +4 more
wiley +1 more source
Recess processes for the fabrication of normally-off GaN HEMTs generally compromise devices’ on-state performance. In this work, recess-free quasi-normally-off GaN HEMTs with a threshold voltage of 0.24 V is realized by local control of two ...
Wei-Chih Cheng +5 more
doaj +1 more source
Gallium nitride (GaN)-based power conversion systems exhibit striking competitiveness in realizing compact and high-efficiency power management modules.
Zheyang Zheng +3 more
doaj +1 more source
Low Thermal Resistance Architectures for AlGaN‐Based Semiconductor Devices
Engineering channel thickness and substrate material significantly improves thermal management in AlGaN RF devices. A 5 nm AlGaN channel integrated on an AlN substrate achieved a record‐low thermal resistance of 3.96 K·mm${\rm K}\cdot{\rm mm}$/W, representing an 88.7% reduction compared with 500 nm AlGaN‐on‐sapphire devices.
Kidus Guye +6 more
wiley +1 more source
Ferroelectricity and Ferroionic Dynamics in Two‐Dimensional CuInP2S6
The coupled dynamics of ferroelectric polarization and Cu‐ion migration endow CuInP2S6 with unique ferroionic functionalities. This review connects structure, switching mechanisms, and device applications to provide a unified perspective on two‐dimensional ferroionic materials.
Shangsheng Li +7 more
wiley +1 more source
Recessed and P-GaN regrowth gate development for normally-off AlGaN/GaN HEMTs
International audienceA new normally-off AlGaN/GaN HEMT structure is proposed. The regrowth of a P-GaN layer on the AlGaN/GaN heterostructure after the gate recess allows the achievement of the enhancement mode.
Frayssinet, Éric +7 more
core +3 more sources
Stability of GaN HEMT Device Under Static and Dynamic Gate Stress
In this work, we investigated the stability of a ${p}$ -GaN gate with high electron mobility transistors (HEMTs) including an internal integrated gate circuit.
Linfei Gao +14 more
doaj +1 more source
Normally-off p-GaN Gated AlGaN/GaN HEMTs Using Plasma Oxidation Technique in Access Region
Normally-off p-GaN gated AlGaN/GaN high electron mobility transistors (HEMTs) were developed. Oxygen plasma treatment converted a low-resistive p-GaN layer in the access region to a high-resistive GaN (HR-GaN); that oxygen plasma treatment used an AlN ...
Xinke Liu +8 more
doaj +1 more source

