Miura, N., T. Nanjo, M. Suita, T. Oishi, Y. Abe, T. Ozeki, Hiroyasu Ishikawa, T. Egawa, and T. Jimbo. "Thermal annealing effects on Ni/Au based Schottky contacts on n-GaN and AlGaN/GaN with insertion of high work function metal." Solid-State Electronics 48, no. 5 (2004): 689-695.