1/f Noise in GaN HEMTs grown under Ga-rich, N-rich, and NH3-rich conditions. - Tania Roy; Yevgeniy S. Puzyrev; En-xia Zhang; Sandeepan DasGupta; Sarah A. Francis; Daniel M. Fleetwood; Ronald D. Schrimpf; Umesh K. Mishra; Jim S. Speck; Sokrates T. Pantelides (Microelectron. Reliab., 2011)