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Zhiyu Xu
Zhiyu Xu
Verified email at gatech.edu
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Year
Effective leakage current reduction in GaN ultraviolet avalanche photodiodes with an ion-implantation isolation method
M Cho, Z Xu, M Bakhtiary-Noodeh, H Jeong, CW Tsou, T Detchprohm, ...
IEEE Transactions on Electron Devices 68 (6), 2759-2763, 2021
162021
Design of ion-implanted junction termination extension for vertical GaN pin rectifiers
M Cho, Z Xu, M Bakhtiary-Noodeh, T Detchphrom, RD Dupuis, SC Shen
ECS Transactions 98 (6), 49, 2020
112020
Extended electrical and photonic characterization of GaN-based ultra-violet microLEDs with an ITO emission window layer
YL Tsai, SK Huang, HH Huang, SM Yang, KL Liang, WH Kuo, YH Fang, ...
IEEE Photonics Journal 12 (6), 1-9, 2020
72020
Breakdown characteristics of deep-ultraviolet Al0. 6Ga0. 4N pin avalanche photodiodes
H Jeong, M Cho, Z Xu, F Mehnke, M Bakhtiary-Noodeh, T Detchprohm, ...
Journal of Applied Physics 131 (10), 2022
52022
Realizing crack-free high-aluminum-mole-fraction AlGaN on patterned GaN beyond the critical layer thickness
F Mehnke, AM Fischer, Z Xu, H Bouchard, T Detchprohm, SC Shen, ...
Journal of Applied Physics 131 (7), 2022
52022
1.2-kV vertical GaN PIN rectifier with ion-implanted floating guard rings
M Cho, Z Xu, M Bakhtiary-Noodeh, T Detchprohm, MA Daeumer, JH Yoo, ...
IEEE Transactions on Electron Devices, 2023
42023
Non-planar growth of high Al-mole-fraction AlGaN on patterned GaN platforms for mitigating strain-induced cracks beyond the critical layer thickness
Y Ando, F Mehnke, H Bouchard, Z Xu, AM Fischer, SC Shen, FA Ponce, ...
Journal of Crystal Growth 607, 127100, 2023
32023
High-Gain and Low-Dark Current GaN p-i-n Ultraviolet Avalanche Photodiodes Grown by MOCVD Fabricated Using Ion-Implantation Isolation
M Bakhtiary-Noodeh, M Cho, H Jeong, Z Xu, CW Tsou, C Cao, SC Shen, ...
Journal of Electronic Materials 50 (8), 4462-4468, 2021
32021
Demonstration of uniform 6x6 GaN pin UV avalanche photodiode arrays
M Bakhtiary-Noodeh, M Cho, Z Xu, H Jeong, AN Otte, SC Shen, ...
Gallium Nitride Materials and Devices XVI 11686, 93-100, 2021
32021
Ion-implanted Al0. 6Ga0. 4N deep-ultraviolet avalanche photodiodes
H Jeong, M Cho, Z Xu, F Mehnke, N Otte, SC Shen, T Detchprohm, ...
Applied Physics Letters 123 (12), 2023
12023
Breakdown characteristics analysis of kV-class vertical GaN PIN rectifiers by wafer-level sub-bandgap photoluminescence mapping
Z Xu, MA Daeumer, M Cho, JH Yoo, T Detchprohm, M Bakhtiary-Noodeh, ...
Journal of Applied Physics 135 (20), 2024
2024
Low Leakage and High Gain GaN pin Avalanche Photodiode With Shallow Bevel Mesa Edge Termination and Recessed Window
Z Xu, T Detchprohm, SC Shen, AN Otte, RD Dupuis
IEEE Transactions on Electron Devices, 2024
2024
Non-planar growth of high Al-mole-fraction AlGaN heterostructures on patterned GaN substrates for ultraviolet laser diodes
Y Ando, Z Xu, T Detchprohm, P Young, RD Dupuis
Applied Physics Letters 123 (13), 2023
2023
Non-planar growth of high Al-mole-fraction AlGaN heterostructures on patterned GaN substrates for UV LEDs and Laser Diodes
Y Ando, Z Xu, T Detchprohm, RD Dupuis
CLEO: Applications and Technology, ATu3H. 2, 2023
2023
Al0. 6Ga0. 4N pin deep-ultraviolet avalanche photodiodes
RD Dupuis, H Jeong, M Cho, Z Xu, SC Shen, T Detchprohm, AN Otte
Gallium Nitride Materials and Devices XVII, PC120010P, 2022
2022
High Al mole fraction crack-free AlGaN on GaN for UV laser diodes by a non-planar growth approach
RD Dupuis, F Mehnke, AM Fischer, Z Xu, HK Bouchard, T Detchprohm, ...
SPIE OPTO 12001, 2022
2022
Reliability Study of Vertical GaN PIN Rectifiers and The Origin of Premature Breakdown
M Cho, Q Shao, TA Laurence, MA Daeumer, JH Yoo, MB Noodeh, Z Xu, ...
CS MANTECH, 2022
2022
High-Performance GaN-Based Ultraviolet Photon Detection Technology
RD Dupuis, SC Shen, T Detchprohm, M Cho, M Bakhtiary-Noodeh, ...
2021 IEEE Research and Applications of Photonics in Defense Conference …, 2021
2021
Development of (In) AlGaN-based UV laser diodes emitting at 369 nm
F Mehnke, Z Xu, T Detchprohm, M Cho, SC Shen, RD Dupuis
GaN 3, 2, 2021
2021
A Study of Wafer-Scale Breakdown Characteristics of Vertical GaN PIN Rectifiers
M Cho, MA Daeumer, JH Yoo, M Bakhtiary-Noodeh, Q Shao, Z Xu, ...
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