Publications
] , "Properties of N-polar GaN films and AlGaN/GaN heterostructures grown on (111) silicon by metal organic chemical vapor deposition", Applied Physics Letters, vol. 97, no. 14: AIP, pp. 142109, 2010.
, "Ultra-low ohmic contacts to N-polar GaN HEMTs by In (Ga) N based source-drain regrowth by Plasma MBE", Proceedings of CS MANTECH Conference. Oregon, USA, pp. 111–114, 2010.
, "Current-induced spin polarization in gallium nitride", Applied Physics Letters, vol. 95, no. 7: AIP, pp. 072110, 2009.
, "Growth of high quality N-polar AlN (000 1) on Si (111) by plasma assisted molecular beam epitaxy", Applied Physics Letters, vol. 94, no. 15: AIP, pp. 151906, 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.
, "Properties of N-polar AlGaN/GaN heterostructures and field effect transistors grown by metalorganic chemical vapor deposition", Journal of Applied Physics, vol. 103, no. 3: AIP, pp. 033708, 2008.
, "Step-flow growth of ZnO (0 0 0 1) on GaN (0 0 0 1) by metalorganic chemical vapor epitaxy", Journal of Crystal Growth, vol. 310, no. 15: North-Holland, pp. 3407–3412, 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.
, "Compound Semiconductor Devices-Impact of CF4 Plasma Treatment on GaN", IEEE Electron Device Letters, vol. 28, no. 9, pp. 781, 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 and characterization of N-polar In Ga N/ Ga N multiquantum wells", Applied physics letters, vol. 90, no. 19: AIP, pp. 191908, 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.
, "MOCVD regrowth of InGaN on N-polar and Ga-polar pillar and stripe nanostructures", physica status solidi (b), vol. 244, no. 6: Wiley Online Library, pp. 1802–1805, 2007.
, "Defect reduction in nonpolar a-plane GaN films using in situ Si N x nanomask", Applied physics letters, vol. 89, no. 4: AIP, pp. 041903, 2006.
, "Effect of threading dislocation density on Ni/ n-Ga N Schottky diode I-V characteristics", Journal of applied physics, vol. 100, no. 2: AIP, pp. 023709, 2006.
, "Exciton dynamics in nonpolar (11$$\backslash$bar 2 $0) InGaN/GaN multiple quantum wells grown on GaN templates prepared by lateral epitaxial overgrowth", physica status solidi (c), vol. 3, no. 6: WILEY-VCH Verlag, pp. 2082–2086, 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.