Fay, M. W., Han, Y., Brown, P. D., Harrison, I., Hilton, K., Munday, A., Wallis, D., Balmer, R., Uren, M., & Martin, T. (2008). Structural and electrical characterization of AuPtAlTi ohmic contacts to AlGaN/GaN with varying annealing temperature and Al content. Journal of Applied Physics, 103(7), https://doi.org/10.1063/1.2890978