Fabrication and characterization of vertical GaN Schottky barrier diodes with boron-implanted termination
Wang Wei-Fan1, 2, Wang Jian-Feng1, 2, 3, †, Zhang Yu-Min2, 3, Li Teng-Kun1, 2, Xiong Rui2, Xu Ke1, 2, 3, ‡
       

(a) The concentration of C, H, O, and Si in GaN-on-GaN MOCVD growths by SIMS. (b) The AFM image of the epilayer in a range of 10 μm × 10 μm.