Publications
Found 44 results
Author Title Type [ Year
] Filters: Author is Speck, JS and First Letter Of Title is I [Clear All Filters]
, "Impact of carrier localization on radiative recombination times in semipolar (20 2\= 1) plane InGaN/GaN quantum wells", Applied Physics Letters, vol. 107, no. 21: AIP Publishing, pp. 211109, 2015.
, "Improved growth rates and purity of basic ammonothermal GaN", Journal of Crystal Growth, vol. 403: Elsevier, pp. 7–17, 2014.
, "Impact of proton irradiation on deep level states in n-GaN", Applied Physics Letters, vol. 103, no. 4: AIP, pp. 042102, 2013.
, "Influence of charged-dislocation density variations on carrier mobility in heteroepitaxial semiconductors: The case of SnO 2 on sapphire", Physical Review B, vol. 86, no. 24: American Physical Society, pp. 245315, 2012.
, "Influence of V/III growth flux ratio on trap states in m-plane GaN grown by ammonia-based molecular beam epitaxy", Applied Physics Letters, vol. 101, no. 15: AIP, pp. 152104, 2012.
, "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.
, "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.
, "Influence of Ga/N ratio on morphology, vacancies, and electrical transport in GaN grown by molecular beam epitaxy at high temperature", Applied Physics Letters, vol. 97, no. 19: AIP, pp. 191915, 2010.
, "In-vacancies in Si-doped InN", physica status solidi (a), vol. 207, no. 5: WILEY-VCH Verlag, pp. 1083–1086, 2010.
, "In adlayer mediated molecular beam epitaxial growth and properties of a-plane InN on freestanding GaN", Applied Physics Letters, vol. 94, no. 9: AIP, pp. 091905, 2009.
, "In adlayer mediated molecular beam epitaxial growth and properties of a-plane InN on freestanding GaN", Applied Physics Letters, vol. 94, no. 9: American Institute of Physics, pp. 091905–091905, 2009.
, "Investigation of (110) Sn O 2 growth mechanisms on Ti O 2 substrates by plasma-assisted molecular beam epitaxy", Journal of Applied Physics, vol. 106, no. 2: AIP, pp. 024911, 2009.
, "Influence of growth conditions and polarity on interface-related electron density in InN", Journal of Applied Physics, vol. 104, no. 10: AIP, pp. 103703, 2008.
, "Influence of the substrate misorientation on the properties of N-polar InGaN/GaN and AlGaN/GaN heterostructures", Journal of Applied Physics, vol. 104, no. 9: AIP, pp. 093510, 2008.
, "Intensity-dependent photoluminescence studies of the electric field in N-face and In-face InN/InGaN multiple quantum wells", physica status solidi (c), vol. 5, no. 6: Wiley Online Library, pp. 1846–1848, 2008.
, "Impacts of dislocation bending and impurity incorporation on the local cathodoluminescence spectra of GaN grown by ammonothermal method", Applied Physics Letters, vol. 91, no. 25: AIP, pp. 251911, 2007.
, "In situ investigation of growth modes during plasma-assisted molecular beam epitaxy of (0001) GaN", Applied Physics Letters, vol. 91, no. 16: AIP, pp. 161904, 2007.
, "Influence of the substrate misorientation on the properties of N-polar GaN films grown by metal organic chemical vapor deposition", Journal of Applied Physics, vol. 102, no. 8: AIP, pp. 083546, 2007.
, "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.
, "Impact of deep levels on the electrical conductivity and luminescence of gallium nitride codoped with carbon and silicon", Journal of Applied physics, vol. 98, no. 5: AIP, pp. 053704, 2005.
, "Intensity dependent time-resolved photoluminescence studies of GaN/AlGaN multiple quantum wells of varying well width on laterally overgrown a-plane and planar c-plane GaN", physica status solidi (a), vol. 202, no. 5: Wiley Online Library, pp. 846–849, 2005.
, "Impact of carbon on trap states in n-type GaN grown by metalorganic chemical vapor deposition", Applied physics letters, vol. 84, no. 3: AIP, pp. 374–376, 2004.
, "Improved quantum efficiency in nonpolar (112Ø0) AlGaN/GaN quantum wells grown on GaN prepared by lateral epitaxial overgrowth", Applied physics letters, vol. 84, no. 19: AIP, pp. 3768–3770, 2004.
, "Ion implantation for unalloyed ohmic contacts to AlGaN/GaN HEMTs", Device Research Conference, 2004. 62nd DRC. Conference Digest [Includes' Late News Papers' volume]: IEEE, pp. 37–38, 2004.