Authors: Ptak, AJ Holbert, LJ Ting, L Swartz, CH Moldovan, M Giles, NC Myers, TH Van Lierde, P Tian, C Hockett, RA Mitha, S Wickenden, AE Koleske, DD Henry, RL

Citation: Aj. Ptak et al., Controlled oxygen doping of GaN using plasma assisted molecular-beam epitaxy, APPL PHYS L, 79(17), 2001, pp. 2740-2742

Authors: Ptak, AJ Ziemer, KS Holbert, LJ Stinespring, CD Myers, TH

Citation: Aj. Ptak et al., Formation of BN and AlBN during nitridation of sapphire using RF plasma sources, MRS I J N S, 5, 2000, pp. NIL_173-NIL_178

Authors: Ptak, AJ Stoica, VA Holbert, LJ Moldovan, M Myers, TH

Citation: Aj. Ptak et al., An investigation of long and short time-constant persistent photoconductivity in undoped GaN grown by rf-plasma assisted molecular beam epitaxy, MRS I J N S, 5, 2000, pp. NIL_629-NIL_634