Fu, X., Yang, X., Wei, J., Chen, Z., Liu, S., Yang, H., Wu, J., Wu, F., Zhang, K., Yang, Z., Xu, F., Tang, N., Wang, X., Shen, B. (2026). Mg diffusion modulation strategy for high-voltage etched-and-regrown GaN p–n junctions. Applied Physics Letters. https://doi.org/10.1063/5.0321716