Publications
] , "InGaN-Based Solar Cells for Ultrahigh Efficiency Multijunction Solar Cell Applications", UC Solar Symposlum, 2011.
, "N-Polar GaN/AlN MIS-HEMT With $ f_ ${$$\backslash$rm MAX$}$ $ of 204 GHz for Ka-Band Applications", IEEE Electron Device Letters, vol. 32, no. 12: IEEE, pp. 1683–1685, 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.
, "Self-aligned technology for N-polar GaN/Al (Ga) N MIS-HEMTs", IEEE Electron Device Letters, vol. 32, no. 1: IEEE, pp. 33–35, 2011.
, Stefan Hildebrandt Ingeborg Stass: Wiley Online Library, 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.
, "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.
, "Continuous-wave operation of pure blue AlGaN-cladding-free nonpolar InGaN/GaN laser diodes", Applied Physics Express, vol. 3, no. 9: IOP Publishing, pp. 092103, 2010.
, "Effect of carrier gas and substrate misorientation on the structural and optical properties of m-plane InGaN/GaN light-emitting diodes", Journal of Crystal Growth, vol. 313, no. 1: Elsevier, pp. 1–7, 2010.
, "High-efficiency blue and true-green-emitting laser diodes based on non-c-plane oriented GaN substrates", Applied physics express, vol. 3, no. 11: IOP Publishing, pp. 112101, 2010.
, "High-power high-efficiency continuous-wave InGaN laser diodes in the violet, blue, and green wavelength regimes", Gallium Nitride Materials and Devices V, vol. 7602: International Society for Optics and Photonics, pp. 760218, 2010.
, "Hole transport and photoluminescence in Mg-doped InN", Journal of Applied Physics, vol. 107, no. 11: AIP, pp. 113712, 2010.
, "In-vacancies in Si-doped InN", physica status solidi (a), vol. 207, no. 5: WILEY-VCH Verlag, pp. 1083–1086, 2010.
, "N-polar GaN/AlN MIS-HEMT for Ka-band power applications", IEEE Electron Device Letters, vol. 31, no. 12: IEEE, pp. 1437–1439, 2010.
, "N-polar GaN-based MIS-HEMTs for mixed signal applications", Microwave Symposium Digest (MTT), 2010 IEEE MTT-S International: IEEE, pp. 1130–1133, 2010.
, "Optical anisotropy of a-and m-plane InN grown on free-standing GaN substrates", Verhandlungen der Deutschen Physikalischen Gesellschaft, 2010.
, "Origin of pyramidal hillocks on GaN thin films grown on free-standing m-plane GaN substrates", Applied Physics Letters, vol. 96, no. 23: AIP, pp. 231907, 2010.
, "Propagation of spontaneous emission in birefringent m-axis oriented semipolar (1122)(Al, In, Ga) N waveguide structures", Japanese Journal of Applied Physics, vol. 49, no. 1R: IOP Publishing, pp. 010207, 2010.
, "Room temperature operation and DC characteristics of InAlN/GaN/AlGaN Hot Electron Transistors with common base transfer ratio, α= 0.97", Device Research Conference (DRC), 2010: IEEE, pp. 133–134, 2010.
, "Scalable E-mode N-polar GaN MISFET devices and process with self-aligned source/drain regrowth", Device Research Conference (DRC), 2010: IEEE, pp. 191–192, 2010.
, "State-of-the-art continuous-wave InGaN laser diodes in the violet, blue, and green wavelength regimes", Laser Technology for Defense and Security VI, vol. 7686: International Society for Optics and Photonics, pp. 76860L, 2010.
, "T-gate technology for N-polar GaN-based self-aligned MIS-HEMTs with state-of-the-art f MAX of 127 GHz: Pathway towards scaling to 30nm GaN HEMTs", Device Research Conference (DRC), 2010: IEEE, pp. 155–156, 2010.
, "Thermopower of parallel conducting structures", APS March Meeting Abstracts, 2010.
, "Additive phase noise measurements of AlGaN/GaN HEMTs using a large signal network analyzer and a tunable monochromatic light source", Microwave Measurement Symposium, 2009 74th ARFTG: IEEE, pp. 1–5, 2009.