Publications
] , "Absil, P., see Karmarkar, AP, TDMR Sept. 2016 402-412 Ahmed, S., see Kuhns, N., TDMR June 2016 105-111 Akbari, M., Virkki, J., Sydanheimo, L., and Ukkonen, L., Toward Graphene-Based Passive UHF RFID Textile Tags: A Reliability Study; TDMR Sept. 2016 429-4", IEEE Transactions on Device and Materials Reliability, vol. 16, no. 4, pp. 1, 2016.
, "Correlation of proton irradiation induced threshold voltage shifts to deep level traps in AlGaN/GaN heterostructures", Journal of Applied Physics, vol. 119, no. 16: AIP Publishing, pp. 165704, 2016.
, "Electrical and structural characterizations of crystallized Al2O3/GaN interfaces formed by in situ metalorganic chemical vapor deposition", Journal of Applied Physics, vol. 119, no. 1: AIP Publishing, pp. 015303, 2016.
, "Correlation of a generation-recombination center with a deep level trap in GaN", Applied Physics Letters, vol. 106, no. 10: AIP Publishing, pp. 102101, 2015.
, "Proton irradiation effects on deep level states in Mg-doped p-type GaN grown by ammonia-based molecular beam epitaxy", Applied Physics Letters, vol. 106, no. 2: AIP Publishing, pp. 022104, 2015.
, "Defects in GaN based transistors", Gallium Nitride Materials and Devices IX, vol. 8986: International Society for Optics and Photonics, pp. 89861C, 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.
, "Impact of proton irradiation on deep level states in n-GaN", Applied Physics Letters, vol. 103, no. 4: AIP, pp. 042102, 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.
, "Deep traps in nonpolar m-plane GaN grown by ammonia-based molecular beam epitaxy", Applied Physics Letters, vol. 100, no. 5: AIP, pp. 052114, 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.
, "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.
, "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.
, "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.
, "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.
, "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.
, "Carbon-related Deep States in Compensated n-type and Semi-Insulating GaN: C and their Influence on Yellow Luminescence", MRS Online Proceedings Library Archive, vol. 831: Cambridge University Press, 2004.
, "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.
, "Identification of carbon-related bandgap states in GaN grown by MOCVD", MRS Online Proceedings Library Archive, vol. 798: Cambridge University Press, 2003.
, "Impact of Growth Pressure on Defects in GaN Grown", Proceedings of the IEEE... International Symposium on Compound Semiconductors, vol. 30: IEEE, pp. 42, 2003.
, "Impact of growth pressure on defects in GaN grown by metalorganic chemical vapor deposition", Compound Semiconductors: Post-Conference Proceedings, 2003 International Symposium on: IEEE, pp. 42–48, 2003.