Publications
] , "Physical mechanisms affecting the reliability of GaN-based high electron mobility transistors", MRS Online Proceedings Library Archive, vol. 1792: Cambridge University Press, 2015.
, "Metalorganic chemical vapor deposition of Al 2 O 3 using trimethylaluminum and O 2 precursors: Growth mechanism and crystallinity", Journal of Crystal Growth, vol. 408: Elsevier, pp. 78–84, 2014.
, "Toward a physical understanding of the reliability-limiting E C-0.57 eV trap in GaN HEMTs", Reliability Physics Symposium, 2014 IEEE International: IEEE, pp. 2C–1, 2014.
, "3D Characterization Study of High-k Dielectric on GaN Using Atom Probe Tomography", Microscopy and Microanalysis, vol. 19, no. S2: Cambridge University Press, pp. 1026–1027, 2013.
, "Effect of intentional p-GaN surface roughening on the performance of InGaN/GaN solar cells", Applied Physics Letters, vol. 103, no. 24: AIP, pp. 241104, 2013.
, "Fixed charge and trap states of in situ Al2O3 on Ga-face GaN metal-oxide-semiconductor capacitors grown by metalorganic chemical vapor deposition", Journal of Applied Physics, vol. 114, no. 16: AIP, pp. 164507, 2013.
, "Reduction of carbon proximity effects by including AlGaN back barriers in HEMTs on free-standing GaN", Electronics Letters, vol. 49, no. 14: IET Digital Library, pp. 893–895, 2013.
, "Spatially-resolved spectroscopic measurements of Ec- 0.57 eV traps in AlGaN/GaN high electron mobility transistors", Applied Physics Letters, vol. 102, no. 19: AIP, pp. 193509, 2013.
, "Access-region defect spectroscopy of DC-stressed N-polar GaN MIS-HEMTs", IEEE Electron Device Letters, vol. 33, no. 5: IEEE, pp. 658–660, 2012.
, "Asymmetric interfacial abruptness in N-polar and Ga-polar GaN/AlN/GaN heterostructures", Applied Physics Letters, vol. 101, no. 9: AIP, pp. 091601, 2012.
, "Direct correlation between specific trap formation and electric stress-induced degradation in MBE-grown AlGaN/GaN HEMTs", Reliability Physics Symposium (IRPS), 2012 IEEE International: IEEE, pp. 2C–3, 2012.
, "Erratum:ìAsymmetric interfacial abruptness in N-polar and Ga-polar GaN/AlN/GaN heterostructuresî[Appl. Phys. Lett. 101, 091601 (2012)]", Applied Physics Letters, vol. 101, no. 22: AIP, pp. 229902, 2012.
, "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.
, "Optical investigation of degradation mechanisms in AlGaN/GaN high electron mobility transistors: Generation of non-radiative recombination centers", Applied Physics Letters, vol. 100, no. 11: AIP, pp. 112106, 2012.
, "Erratum for ëX-band power performance of N-face GaN MIS-HEMTsí", Electronics Letters, vol. 47, no. 6: IET Digital Library, pp. 416–416, 2011.
, "High external quantum efficiency and fill-factor InGaN/GaN heterojunction solar cells grown by NH 3-based molecular beam epitaxy", Applied Physics Letters, vol. 98, no. 13: AIP, pp. 131115, 2011.
, "High quantum efficiency InGaN/GaN multiple quantum well solar cells with spectral response extending out to 520 nm", Applied Physics Letters, vol. 98, no. 20: AIP, pp. 201107, 2011.
, "Influence of threading dislocation density on early degradation in AlGaN/GaN high electron mobility transistors", Applied Physics Letters, vol. 99, no. 22: AIP, pp. 223501, 2011.
, "Next generation defect characterization in nitride HEMTs", physica status solidi (c), vol. 8, no. 7-8: Wiley Online Library, pp. 2242–2244, 2011.
, "N-polar GaN HEMTs with f max> 300 GHz using high-aspect-ratio T-gate design", Device Research Conference (DRC), 2011 69th Annual: IEEE, pp. 269–270, 2011.
, "Scaling behavior and velocity enhancement in self-aligned N-polar GaN/AlGaN HEMTs with maximum fT of 163 GHz", Device Research Conference (DRC), 2011 69th Annual: IEEE, pp. 141–142, 2011.
, "Trap-related delay analysis of self-aligned N-polar GaN/InAlN HEMTs with record extrinsic g m of 1105 mS/mm", Device Research Conference (DRC), 2011 69th Annual: IEEE, pp. 279–280, 2011.
, "X-band power performance of N-face GaN MIS-HEMTs", Electronics Letters, vol. 47, no. 3: IET Digital Library, pp. 214–215, 2011.
, "High-temperature molecular beam epitaxial growth of AlGaN/GaN on GaN templates with reduced interface impurity levels", Journal of Applied Physics, vol. 107, no. 4: AIP, pp. 043527, 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.