Publications
] , "Nm-scale measurements of fast surface potential transients in an AlGaN/GaN high electron mobility transistor", Applied Physics Letters, vol. 100, no. 19: AIP, pp. 193507, 2012.
, "Next generation defect characterization in nitride HEMTs", physica status solidi (c), vol. 8, no. 7-8: Wiley Online Library, pp. 2242–2244, 2011.
, "Recent progress in InGaN-based laser diodes fabricated on nonpolar/semipolar substrates", Photonics Conference (PHO), 2011 IEEE: IEEE, pp. 503–504, 2011.
, "Temperature-dependence and microscopic origin of low frequency 1/f noise in GaN/AlGaN high electron mobility transistors", Applied Physics Letters, vol. 99, no. 20: AIP, pp. 203501, 2011.
, "Effect of nitrogen plasma power on defect levels in Ni/n-GaN Schottky diodes grown by molecular beam epitaxy", Journal of Applied Physics, vol. 107, no. 5: AIP, pp. 054518, 2010.
, "Impact of N-and Ga-face polarity on the incorporation of deep levels in n-type GaN grown by molecular beam epitaxy", Applied Physics Letters, vol. 96, no. 24: AIP, pp. 242112, 2010.
, "Linear and Nonlinear Device Modeling-Pulsed-IV Pulsed-RF Cold-FET Parasitic Extraction of Biased AlGaN/GaN HEMTs Using Large Signal Network Analyzer", IEEE Transactions on Microwave Theory and Techniques, vol. 58, no. 5, pp. 1077, 2010.
, "Current-induced spin polarization in gallium nitride", Applied Physics Letters, vol. 95, no. 7: AIP, pp. 072110, 2009.
, "Fermi edge singularity observed in GaN/AlGaN heterointerfaces", Applied Physics Letters, vol. 94, no. 22: AIP, pp. 223502, 2009.
, "Characterization of majority and minority carrier deep levels in p-type GaN: Mg grown by molecular beam epitaxy using deep level optical spectroscopy", Journal of Applied Physics, vol. 103, no. 6: AIP, pp. 063722, 2008.
, "Comparison of deep level incorporation in ammonia and rf-plasma assisted molecular beam epitaxy n-GaN films", physica status solidi (c), vol. 5, no. 6: Wiley Online Library, pp. 1750–1752, 2008.
, "Deep level optical and thermal spectroscopy of traps in n-GaN grown by ammonia molecular beam epitaxy", Applied Physics Letters, vol. 93, no. 11: AIP, pp. 112101, 2008.
, "Structural and morphological properties of GaN buffer layers grown by ammonia molecular beam epitaxy on SiC substrates for AlGaN/GaN high electron mobility transistors", Journal of Applied Physics, vol. 103, no. 9: AIP, pp. 093529, 2008.
, "X-and Ka-band power performance of AlGaN/GaN HEMTs grown by ammonia-MBE", Electronics Letters, vol. 44, no. 9: IET, pp. 598–598, 2008.
, "AlGaN/GaN HEMTs with large angle implanted nonalloyed ohmic contacts", Device Research Conference, 2007 65th Annual: IEEE, pp. 37–38, 2007.
, "AlGaN/GaNHEMT with High PAE and Breakdown Voltage Grown by Ammonia MBE", Device Research Conference, 2007 65th Annual: IEEE, pp. 129–130, 2007.
, "Comparison of deep level spectra in p-type and n-type GaN grown by molecular beam epitaxy", physica status solidi (b), vol. 244, no. 6: Wiley Online Library, pp. 1867–1871, 2007.
, "Comparison of deep level spectra in p-type and n-type GaN grown by molecular beam epitaxy [phys. stat. sol.(b) 244, No. 6, 1867–1871 (2007)]", physica status solidi (b), vol. 244, no. 12: Wiley Online Library, pp. 4692–4692, 2007.
, "Deep-recessed GaN HEMTs using selective etch technology exhibiting high microwave performance without surface passivation", Microwave Symposium, 2007. IEEE/MTT-S International: IEEE, pp. 623–626, 2007.
, "Growth of Fe-doped GaN by RF plasma-assisted molecular beam epitaxy", Journal of crystal growth, vol. 289, no. 2: Elsevier, pp. 587–595, 2006.
, "Impact of substrate temperature on the incorporation of carbon-related defects and mechanism for semi-insulating behavior in GaN grown by molecular beam epitaxy", Applied physics letters, vol. 88, no. 8: AIP, pp. 082114, 2006.
, "Improved processing technology for GaN-capped deeply-recessed GaN HEMTs without surface passivation", Device Research Conference, 2006 64th: IEEE, pp. 101–102, 2006.
, "Nonalloyed ohmic contacts in AlGaN/GaN HEMTs by ion implantation with reduced activation annealing temperature", IEEE electron device letters, vol. 27, no. 4: IEEE, pp. 205–207, 2006.
, "Nonalloyed ohmic contacts in AlGaN/GaN HEMTs by ion implantation with reduced activation", Info: Postprints, UC Santa Barbara, 2006.
, "P-gan/algan/gan enhancement-mode hemts", 64th Device Research Conference (DRC), pp. 163–164, 2006.