David William Bray Parikh, N., Suvkhanov, A., Lioubtchenko, M., Carlson, E., Bremser, M., Bray, D., … Hunn, J. (1997). ION Implantation of epitaxial GaN films: damage, doping and activation. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 127(1997 May), 463–466. https://doi.org/10.1016/S0168-583X(97)00076-1