Publications

Found 209 results
Author Title Type [ Year(Asc)]
Filters: First Letter Of Last Name is T  [Clear All Filters]
2011
Prosa, TJ., PH. Clifton, H. Zhong, A. Tyagi, R. Shivaraman, SP. DenBaars, S. Nakamura, and JS. Speck, "Atom probe analysis of interfacial abruptness and clustering within a single In x Ga 1- x N quantum well device on semipolar (10 1\= 1\=) GaN substrate", Applied physics letters, vol. 98, no. 19: AIP, pp. 191903, 2011.
Romanov, A. E., E. C. Young, F. Wu, A. Tyagi, C. S. Gallinat, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Basal plane misfit dislocations and stress relaxation in III-nitride semipolar heteroepitaxy", Journal of Applied Physics, vol. 109, no. 10: AIP, pp. 103522, 2011.
Hsu, P. Shan, J. Sonoda, K. M. Kelchner, A. Tyagi, R. M. Farrell, D. A. Haeger, E. C. Young, A. E. Romanov, K. Fujito, H. Ohta, et al., "Blue InGaN/GaN laser diodes grown on (33$$\backslash$bar 3$\backslash$bar 1$) free-standing GaN substrates", physica status solidi (c), vol. 8, no. 7-8: WILEY-VCH Verlag, pp. 2390–2392, 2011.
Simeonov, D., MY. Tsai, HT. Chen, C. Weisbuch, and J. Speck, "Bonding of nitride based LEDs on tin oxide templates for advanced optoelectronic devices", Electronics Letters, vol. 47, no. 9: IET, pp. 556–558, 2011.
Singisetti, U., M. Hoi Wong, S. Dasgupta, B. Swenson, B. J. Thibeault, J. S. Speck, U. K. Mishra, and others, "Enhancement-mode N-polar GaN MISFETs with self-aligned source/drain regrowth", IEEE Electron Device Letters, vol. 32, no. 2: IEEE, pp. 137–139, 2011.
Zhao, Y., S. Tanaka, Q. Yan, C-Y. Huang, R. B. Chung, C-C. Pan, K. Fujito, D. Feezell, C. G. Van de Walle, J. S. Speck, et al., "High optical polarization ratio from semipolar (20 2\= 1\=) blue-green InGaN/GaN light-emitting diodes", Applied physics letters, vol. 99, no. 5: AIP, pp. 051109, 2011.
Zhao, Y., S. Tanaka, R. Chung, C-C. Pan, K. Fujito, D. Feezell, J. Speck, S. DenBaars, and S. Nakamura, "Highly Polarized Spontaneous Emission from Semipolar(20-2-1) InGaN/GaN Light-Emitting Diodes", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 2011.
Zhao, Y., S. Tanaka, C-C. Pan, K. Fujito, D. Feezell, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High-power blue-violet semipolar (2021) InGaN/GaN light-emitting diodes with low efficiency droop at 200 A/cm2", Applied physics express, vol. 4, no. 8: IOP Publishing, pp. 082104, 2011.
Ťapajna, M., SW. Kaun, MH. Wong, F. Gao, T. Palacios, UK. Mishra, JS. Speck, and M. Kuball, "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.
Toledo, N. G., S. C. Cruz, C. J. Neufeld, J. R. Lang, M. A. Scarpulla, T. Buehl, A. C. Gossard, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "Integrated non-III-nitride/III-nitride tandem solar cell", Device Research Conference (DRC), 2011 69th Annual: IEEE, pp. 265–266, 2011.
Wu, F., A. Tyagi, EC. Young, AE. Romanov, K. Fujito, SP. DenBaars, S. Nakamura, and JS. Speck, "Misfit dislocation formation at heterointerfaces in (Al, In) GaN heteroepitaxial layers grown on semipolar free-standing GaN substrates", Journal of Applied Physics, vol. 109, no. 3: AIP, pp. 033505, 2011.
Gao, F., B. Lu, L. Li, S. Kaun, J. S. Speck, C. V. Thompson, and T. Palacios, "Role of oxygen in the OFF-state degradation of AlGaN/GaN high electron mobility transistors", Applied Physics Letters, vol. 99, no. 22: AIP, pp. 223506, 2011.
Tyagi, A., R. M. Farrell, C-Y. Huang, P. Shan Hsu, D. A. Haeger, K. M. Kelchner, H. Ohta, S. Nakamura, S. P. DenBaars, and J. S. Speck, Semipolar iii-nitride laser diodes with etched mirrors, 2011.
Toledo, N., C. Neufeld, M. Scarpulla, T. Buehl, S. Cruz, A. Gossard, S. DenBaars, J. Speck, and U. Mishra, "Wafer Bonded GaAs-Sapphire for Photovoltaic Applications via Adhesive Bonding", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 2011.
Nagata, T., O. Bierwagen, ME. White, MY. Tsai, Y. Yamashita, H. Yoshikawa, N. Ohashi, K. Kobayashi, T. Chikyow, and JS. Speck, "XPS study of Sb-/In-doping and surface pinning effects on the Fermi level in SnO 2 (101) thin films", Applied Physics Letters, vol. 98, no. 23: AIP, pp. 232107, 2011.
2010
Tyagi, A., R. M. Farrell, K. M. Kelchner, C.-Y. Huang, P. S. Hsu, D. A. Haeger, M. T. Hardy, C. Holder, K. Fujito, D. A. Cohen, et al., "AlGaN-Cladding Free Green Semipolar GaN Based Laser Diode with a Lasing Wavelength of 506.4 nm", Applied Physics Express, vol. 3, pp. 011002, 2010.
Young, E. C., C. S. Gallinat, A. E. Romanov, A. Tyagi, F. Wu, and J. S. Speck, "Critical thickness for onset of plastic relaxation in (1122) and (2021) semipolar AlGaN heterostructures", Applied physics express, vol. 3, no. 11: IOP Publishing, pp. 111002, 2010.
Reurings, F., F. Tuomisto, C. S. Gallinat, G. Koblmüller, and J. S. Speck, "In vacancies in InN grown by plasma-assisted molecular beam epitaxy", Applied Physics Letters, vol. 97, no. 25: AIP, pp. 251907, 2010.
Koblmüller, G., F. Reurings, F. Tuomisto, and JS. Speck, "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.
Hsu, P. Shan, K. M. Kelchner, A. Tyagi, R. M. Farrell, D. A. Haeger, K. Fujito, H. Ohta, S. P. DenBaars, J. S. Speck, and S. Nakamura, "InGaN/GaN blue laser diode grown on semipolar (3031) free-standing GaN substrates", Applied physics express, vol. 3, no. 5: IOP Publishing, pp. 052702, 2010.
Rauch, C., F. Reurings, F. Tuomisto, TD. Veal, C. F. McConville, H. Lu, WJ. Schaff, CS. Gallinat, G. Koblmüller, JS. Speck, et al., "In-vacancies in Si-doped InN", physica status solidi (a), vol. 207, no. 5: WILEY-VCH Verlag, pp. 1083–1086, 2010.
Young, E. C., F. Wu, A. E. Romanov, A. Tyagi, C. S. Gallinat, S. P. DenBaars, S. Nakamura, and J. S. Speck, "Lattice tilt and misfit dislocations in (1122) semipolar GaN heteroepitaxy", Applied physics express, vol. 3, no. 1: IOP Publishing, pp. 011004, 2010.
Yang, CK., P. Roblin, F. De Groote, SA. Ringel, S. Rajan, JP. Teyssier, C. Poblenz, Y. Pei, J. Speck, and UK. Mishra, "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.
Huang, C-Y., Y-. Da Lin, A. Tyagi, A. Chakraborty, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Optical waveguide simulations for the optimization of InGaN-based green laser diodes", Journal of Applied Physics, vol. 107, no. 2: AIP, pp. 023101, 2010.
Shen, H., GA. Garrett, M. Wraback, H. Zhong, A. Tyagi, SP. DenBaars, S. Nakamura, and JS. Speck, "Polarization field crossover in semi-polar InGaN/GaN single quantum wells", physica status solidi (c), vol. 7, no. 10: Wiley Online Library, pp. 2378–2381, 2010.

Pages