activity
20192022
most citedAchieving sub-1 Ohm-mm Non-Recess S/D Contact Resistance in GaN HEMTs Utilizing Simple CMOS Compatible La/Ti/Al/Ti Metal Contacts

2 citations · 5 across the 4 of their papers we have counts for

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8 papers · 1 filter

physics.app-ph20222 cited

Sub-10-micron thick Ge thin films from bulk-Ge substrates via a wet etching method

Liming Wang, Guangrui Xia

Low-defect-density Ge thin films are critical in Ge based optical devices (optical detectors, LEDs and Lasers) integrated with Si electronic devices for low-cost, highly integrated…

physics.app-ph20211 cited

Improved Gate Reliability of p-GaN Gate HEMTs by Gate Doping Engineering

Guangnan Zhou, Fanming Zeng, Rongyu Gao +4

We present a novel p-GaN gate HEMT structure with reduced hole concentration near the Schottky interface by doping engineering in MOCVD, which aims at lowering the electric field a…

physics.app-ph2020

Determination of the Gate Breakdown Mechanisms in p-GaN Gate HEMTs by Multiple-gate-sweep Measurements

Guangnan Zhou, Fanming Zeng, Yang Jiang +5

In this work, we studied the gate breakdown mechanisms of p-GaN gate AlGaN/GaN HEMTs by a novel multiple-gate-sweep-based method. For the first time, three different breakdown mech…

physics.app-ph2019

Gate Leakage Suppression and Breakdown Voltage Enhancement in p-GaN HEMTs using Metal/Graphene Gates

Guangnan Zhou, Zeyu Wan, Gaiying Yang +5

In this work, single-layer intrinsic and fluorinated graphene were investigated as gate insertion layers in normally-OFF p-GaN gate HEMTs, which wraps around the bottom of the gate…

physics.app-ph2019

A Method to Determine Broadband Complex Permittivity of Thin Film Dielectric Materials up to 60 GHz

Liang Wang, Guangrui, Xia +1

This paper describes a method to determine the complex permittivity of a thin dielectric film from finite element analysis and microstrip line measurements. Two transmission line e…

physics.app-ph2019

Threshold Voltage Improvement and Leakage Reduction of AlGaN/GaN HEMTs Using Dual-Layer SiNx Stressors

Wei-Chih Cheng, Minghao He, Siqi Lei +9

In this work, AlGaN/GaN HEMTs with dual-layer SiNx stressors (composed of a low-stress layer and a high-stress layer) were investigated. The low-stress padding layer solved the sur…