Publications by Taifang Wang | EPFL Graph Search

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In this paper, we present a detailed investigation of the impact of fin width (w(fin)) on tri-gate AlGaN/GaN metal-oxide-semiconductor high electron mobility transistors (MOSHEMTs). As w(fin) is reduced, the threshold voltage (V-TH) increases, which is due ...

GaN metal-oxide-semiconductor high electron mobility transistors (MOS)HEMTs) offer outstanding properties for next-generation power electronics devices. The high conductivity, high voltage blocking capability, high operation frequency, and device-level int ...

In this work, a Tri-Gate AlGaN/GaN metal-oxide-semiconductor high electron mobility transistor (MOSHEMT) with lithium nickel oxide (LiNiO) gate dielectric is demonstrated for enhancement-mode (e-mode) operation. The high-quality of pulse-laser-deposited (P ...

Nanowire-based devices can potentially be of use in a variety of electronic applications, from ultrascaled digital circuits to 5G communication networks. However, the devices are typically restricted to low-power applications due to the relatively low elec ...

We report the demonstration of p-NiO layers as junction termination extensions (JTEs) for realizing high-performance GaN power devices. The p-NiO was deposited by RF sputtering, a flexible process which enables to achieve high hole densities. In this work, ...

Multi-channel GaN power device, consisting of stacking multiple two-dimensional-electron-gas (2DEG) channels, has been demonstrated to achieve unprecedented on-state performance while maintaining high breakdown voltage (VBR). However, the large carrier den ...

In this paper, we illustrate the use of RF-sputtered p-NiO to fabricate Junction Termination Extensions (JTEs) for high-performance vertical GaN-on-Si Schottky Barrier Diodes (SBDs). The GaN epitaxial structures were grown on 6-inch Si wafers by MOCVD. The ...

We report a novel process to achieve slanted field plate (S-FP), which is a field plate with a gradual increase thickness from gate edge towards drain - utilizing grayscale lithography on flowable oxide (FOX) in single process step, in which developed FOX ...

Taifang Wang

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Impact of Fin Width on Tri-Gate GaN MOSHEMTs

LiNiO Junction Gate for High-performance Enhancement-mode GaN Power Transistor

LiNiO Gate Dielectric with Tri-Gate Structure for High Performance E-mode GaN transistors

Multi-channel nanowire devices for efficient power conversion

p-NiO junction termination extensions for GaN power devices

Enhancement-mode Multi-channel AlGaN/GaN Transistors with LiNiO Junction Tri-Gate

p-NiO Junction Termination Extensions for High Voltage Vertical GaN Devices

Novel Slanted Field Plate Technology for GaN HEMTs by Grayscale Lithography on Flowable Oxide