Center for Wide & Ultra-Wide Bandgap Semiconductor
Liu XuAssistant Research

Dr. Liu Xu received his Ph.D. degree in mechanical electronics engineering from Wuhan University in 2025. Right after graduation, he joined Micius Laboratory as an Assistant Researcher and focused on the fabrication of wide bandgap semiconductors device.

Research Interest

(1) Epitaxial growth of 6-/8-inch GaN/Ga2O3 wafer

(2) GaN-based high electron mobility transistor (HEMT)

(3) Ga2O3-based power electronic device  

(4) GaN-based optoelectronic devices

Education/Work Information

Sept. 2010-Jun. 2014  B. S. in School of Chemical Engineering and Technology, Shenyang University of Chemical Technology University.

Sept. 2014-Jun. 2017  M. S. in School of Chemical Engineering, Dalian University Of Technology.

Sept. 2021-Jun. 2025  Ph. D in School of Power and Mechanical Engineering, Wuhan University.

Jul. 2025-present  Assistant Researcher in Micius Laboratory.

 Publications and patents in the past five years

1.Liu, X.; Lv, Z.; Liao, Z.; Sun, Y; Zhang, Z.; Sun, K.; Zhou, Q.; Tang, B.; Geng, H.; Qi, S.; Zhou, S. Highly efficient AlGaN-based deep-ultraviolet light-emitting diodes: from bandgap engineering to device craft. Microsystems & Nanoengineering 2024, 10, 110.

2.Liu, X..; Zhou, S.; Lv, Z.; Tang, B.; Geng, H.; Liao, Z.; Jiang, J.; Zhang, Z.; Qi, S.; Liu, S. Boosting performance of AlGaN-based ultraviolet-C light-emitting diodes via high-quality AlN template. IEEE Transactions on Electron Devices 2025, 72(4), 1833-1838.

3.Liu, X.; Song, J.; Lv, Z.; Liao, Z.; Geng, H.; Zhang, Z.; Jiang, J.; Tang, B.; Qi, S.; Liu, S; Zhou, S. Doping engineering strategy for boosting performance of AlGaN-based deep-ultraviolet light-emitting diodes. Crystal Growth & Design 2025, 25, 1833-1841.

4.Liu, X.; Liao, Z.; Song, J.; Lv, Z.; Zhang, Z.; Jiang, J.; Qi, S.; Zhou, S. High-efficiency deep ultraviolet light-emitting diodes via δ-doping modulation of thin p-GaN contact layer, Optics Letters 2025, 50(13), 561731.

5.Liu, X.; Zhou, S. Progress on photovoltaic AlGaN photodiodes for solar-blind ultraviolet photodetection. Chinese Optics Letters 2022, 20(11), 112501.

6.Zhou, S.; Zhao, X.; Du, P.; Zhang, Z.; Liu, X.; Liu, S.; Guo, L. Application of patterned sapphire substrate for III-nitride light-emitting diodes. Nano scale 2022, 14, 4887-4907.

7. Zhang, Z.; Zhou, Q.; Liu, X.; Lv, Z.; Tang, B.; Geng, H.; Qi, S.; Zhou, S. Strategically constructed AlGaN doping barriers for efficient deep ultraviolet light-emitting diodes. Optics Letter2024, 49(8), 2049-2052.

8.Zhang, Z.; Geng, H.; Lv, Z.; Tang, B.; Liu, X.; Jiang, J.; Qi, S.; Liu, S.; Zhou, S. Manipulating precursors of group-III nitrides for high-Al-content p-AlGaN toward efficient deep ultraviolet light emitters. Applied Physical Letters 2024, 125, 241109.

9.Zhang, Z.; Zhou, S.; Liao, Z.; Jiang, J.; Geng, H.; Lv, Z.;Liu, X.; Qi, S.; Liu, S. AlGaN Polarized Ultrathin Tunneling Junction Deep Ultraviolet Light-Emitting Diodes. Nano Letters 2025, 25(5), 1898-1906.

10.周圣军,刘旭,深紫外Micro-LED芯片阵列及制备方法。中国,发明专利,专利号:ZL 2022 1 0805276.1(授权)

11.周圣军,刘旭,一种用于全彩显示的RGB混合集成Micro-LED芯片阵列的制备方法。中国,发明专利,专利号:ZL 2022 1 1134424.1(授权)

12.周圣军,刘旭,杜鹏,深紫外Micro-LED芯片阵列的制备方法。中国,发明专利,申请号:CN 202311819068.8(公开)

13.周圣军,刘旭,蒋晶晶,一种AlN缓冲层、LED晶圆外延片及其的制备方法。中国,发明专利,申请号:CN 202410849483.6(公开)

14.周圣军,刘旭,深紫外Micro-LED芯片及制备方法。中国,发明专利,申请号:CN 202510659481.5(公开)

15.周圣军,刘旭,可拉伸RGB集成的Micro-LED芯片阵列及其制备方法。中国,发明专利,申请号:CN 202510975475.6(公开)