论文

2025
Lang J, Xu F, Wang J, Zhang L, Zhang X, Zhang Z, Guo X, Ji C, Ji C, Tan F, et al. Progress in Performance of AlGaN-Based Ultraviolet Light Emitting Diodes. Advanced Electronic Materials. 2025;11:2300840.
Guo X, Xu F, Lang J, Wang J, Zhang L, Ji C, Ji C, Zhang Z, Tan F, Wu Y, et al. Effects of the RF bias power of ICP etching on the electrical properties of n-type Ohmic contact on high-Al-fraction AlGaN. Applied Physics Letters. 2025;126:082104.
Guo X, Lang J, Xu F, Wang J, Zhang L, Zhang Z, Ji C, Tan F, Ji C, Kang X, et al. Improving electrical properties of metal-semiconductor contact on Al-rich n-AlGaN by multi-step annealing. Applied Physics Letters. 2025;127:172104.
Zhang Z, Wang J*, Xu F*, Zhang L, Lang J, Ji C, Zhang J, Kang X, Qin Z, Ju G, et al. Stacking III-nitride ultraviolet-B light emitters with high efficiency via a lattice-engineered architecture. Advanced Materials. 2025;37:e08380.
Ji C, Wang J*, Lang J*, Xu F, Zhang L, Li G, Chen S, Ji C, Zhang J, Xu H, et al. Unveiling and eliminating the parasitic hole loss in AlGaN-based deep-ultraviolet light-emitting diodes. Applied Physics Letters. 2025;126:212107.
2024
Lang J, Xu F, Wang J, Zhang L, Sun Z, Zhang H, Guo X, Zhang Z, Ji C, Tan F, et al. The composited high reflectivity p-type electrodes with patterned ITO for AlGaN-based ultraviolet light emitting diodes. Applied Physics Letters. 2024;125:012107.
Guo X, Xu F, Lang J, Wang J, Zhang L, Zhang Z, Ji C, Tan F, Ji C, Wu Y, et al. Influence of the barrier layer on the electrical properties of the V/Al-based Ohmic contact on n-type high-Al-fraction AlGaN. Applied Physics Letters. 2024;124:232106.
Fang X, Wang J*, Xu F*, Zhang L, Lang J, Zhang Z, Tan F, Yang X, Kang X, Qin Z, et al. Elimination of spiral hillocks in AlGaN grown on high-temperature annealed AlN templates by adopting an AlN/AlGaN stress modulation multilayer. Applied Physics Letters. 2024;124:062103.
Wang J, Xu F, Zhang L, Lang J, Fang X, Zhang Z, Guo X, Ji C, Ji C, Tan F, et al. Progress in efficient doping of Al-rich AlGaN. Journal of Semiconductors. 2024;45:021801.
Fang X, Wang J*, Xu F*, Zhang L, Lang J, Guo X, Ji C, Ji C, Wu Y, Yang X, et al. Significant conductivity enhancement in Al-rich n-AlGaN by modulation doping. Applied Physics Letters. 2024;124:152106.
Ji C, Wang J*, Zhang L*, Xu F, Lang J, Guo X, Zhang Z, Tan F, Ji C, Kang X, et al. Ultra-thin p-AlGaN insert layer for enhancing the electrical performance of AlGaN-based deep-ultraviolet light-emitting diodes. Applied Physics Letters. 2024;125:252107.
Wang J, Ji C, Lang J, Xu F, Zhang L, Kang X, Qin Z, Yang X, Tang N, Wang X, et al. Wafer-scale vertical injection III-nitride deep-ultraviolet light emitters. Nature Communications. 2024;15:9398.
2023
Wang L, Xu F, Lang J, Wang J, Zhang L, Guo X, Ji C, Kang X, Yang X, Wang X, et al. Improving Light Extraction Efficiency of AlGaN-Based Deep Ultraviolet Light-Emitting Diodes by Combining Thinning p-AlGaN/p-GaN Layer With Ni/Au/Al High-Reflectivity Electrodes. IEEE Photonics Journal. 2023;15:8200305.
Lang J, Xu F, Wang J, Zhang L, Guo X, Ji C, Zhang Z, Tan F, Fang X, Kang X, et al. On the integrated p-type region free of electron blocking layer for AlGaN-based deep-ultraviolet light emitting diodes. Applied Physics Letters. 2023;123:262103.
Wang L, Xu F, Lang J, Wang J, Zhang L, Zhang X, Zhang Z, Guo X, Ji C, Kang X, et al. Transparent p-type layer with highly reflective Rh/Al p-type electrodes for improving the performance of AlGaN-based deep-ultraviolet light-emitting diodes. Japanese Journal of Applied Physics. 2023;62:030904.
Wang J, Xie N, Xu F, Zhang L, Lang J, Kang X, Qin Z, Yang X, Tang N, Wang X, et al. Group-III nitride heteroepitaxial films approaching bulk-class quality. Nature Materials. 2023;22:853.
2022
Liu B, Xu F, Wang J, Lang J, Wang L, Fang X, Yang X, Kang X, Wang X, Qin Z, et al. Correlation between electrical properties and growth dynamics for Si-doped Al-rich AlGaN grown by metal-organic chemical vapor deposition. Micro and Nanostructures. 2022;163:107141.
Wang J, Xu F, Lang J, Fang X, Wang L, Guo X, Ji C, Kang X, Qin Z, Yang X, et al. Regulation of surface kinetics: rapid growth of n-AlGaN with high conductivity for deep-ultraviolet light emitters. CrystEngComm. 2022;24:4251.
Wang J, Wang M, Xu F, Liu B, Lang J, Zhang N, Kang X, Qin Z, Yang X, Wang X, et al. Sub-nanometer ultrathin epitaxy of AlGaN and its application in efficient doping. Light: Science & Applications. 2022;11:71.
2021
Lang J, Xu F, Sun Y, Zhang N, Wang J, Liu B, Wang L, Xie N, Fang X, Kang X, et al. Carrier Velocity Modulation by Asymmetrical Concave Quantum Barriers to Improve the Performance of AlGaN-Based Deep Ultraviolet Light Emitting Diodes. IEEE Photonics Journal. 2021;13:8200108.

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