Publications

Found 215 results
Author Title Type [ Year(Desc)]
Filters: First Letter Of Last Name is Z  [Clear All Filters]
2007
Tyagi, A., H. Zhong, N. N. Fellows, M. Iza, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High brightness violet InGaN/GaN light emitting diodes on semipolar (1011) bulk GaN substrates", Japanese Journal of Applied Physics, vol. 46, no. 2L: IOP Publishing, pp. L129, 2007.
Tyagi, A., H. Zhong, N. N. Fellows, M. Iza, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High Brightness Violet InGaN/GaN Light Emitting Diodes on Semipolar (101̄1̄) Bulk GaN Substrates", Japanese Journal of Applied Physics, vol. 46, pp. L129-L131, 2007.
Zhong, H., A. Tyagi, N. N. Fellows, F. Wu, R. B. Chung, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High power and high efficiency blue light emitting diode on freestanding semipolar (10 1 1) bulk GaN substrate", Applied physics letters, vol. 90, no. 23: AIP, pp. 233504, 2007.
Sato, H., A. Tyagi, H. Zhong, N. Fellows, R. B. Chung, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High power and high efficiency green light emitting diode on free-standing semipolar (112̅2) bulk GaN substrate", physica status solidi (RRL)-Rapid Research Letters, vol. 1, no. 4: WILEY-VCH Verlag, pp. 162–164, 2007.
Nakamura, S., S. P. DenBaars, J. S. Speck, M. C. Schmidt, K. C. Kim, R. M. Farrell, D. F. Feezell, D. A. Cohen, M. Saito, H. Sato, et al., "Recent Performance of Nonpolar/Semipolar GaN-based Blue LEDs/LDs", LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings, Oct, 2007.
Tyagi, A., H. Zhong, R. B. Chung, D. F. Feezell, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Semipolar (1011) InGaN", Japanese journal of applied physics, vol. 46, no. 17-19: Japanese journal of applied physics, 2007.
Tyagi, A., H. Zhong, R. B. Chung, D. F. Feezell, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Semipolar (1011) InGaN/GaN laser diodes on bulk GaN substrates", Japanese Journal of Applied Physics, vol. 46, no. 5L: IOP Publishing, pp. L444, 2007.
2009
Shen, H., M. Wraback, H. Zhong, A. Tyagi, SP. DenBaars, S. Nakamura, and JS. Speck, "Determination of polarization field in a semipolar (11 2\= 2) In Ga/ Ga N single quantum well using Franz–Keldysh oscillations in electroreflectance", Applied Physics Letters, vol. 94, no. 24: AIP, pp. 241906, 2009.
Zhong, H., A. Tyagi, N. Pfaff, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Enhancing the light extraction efficiency of blue semipolar (1011) nitride-based light emitting diodes through surface patterning", Japanese Journal of Applied Physics, vol. 48, no. 3R: IOP Publishing, pp. 030201, 2009.
Xu, G., Y. J. Ding, I. B. Zotova, C. E. Stutz, D. E. Diggs, N. Fernelius, F. K. Hopkins, C. S. Gallinat, G. Koblmüller, and J. S. Speck, "Observation of clamping of photoluminescence intensities from nonlinear degenerate electron gas in InN", International Quantum Electronics Conference: Optical Society of America, pp. IMH6, 2009.
Shen, P. H., G. Garrett, M. Wraback, H. Zhong, A. Tyagi, J. Speck, and S. Nakamura, "Piezoelectric Field in Semi-Polar InGaN/GaN Quantum Wells", Meeting Abstracts, no. 21: The Electrochemical Society, pp. 885–885, 2009.
Masui, H., D. S. Kamber, S. E. Brinkley, F. Wu, T. J. Baker, H. Zhong, M. Iza, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Spontaneous formation of ${$1 1Ø 0 1$}$ InGaN quantum wells on a (1 1 2Ø 2) GaN template and their electroluminescence characteristics", Semiconductor Science and Technology, vol. 25, no. 1: IOP Publishing, pp. 015003, 2009.
Xu, G., Y. J. Ding, H. Zhao, M. Jamil, N. Tansu, I. B. Zotova, C. E. Stutz, D. E. Diggs, N. Fernelius, F. K. Hopkins, et al., "THz generation from InN films based on interference between optical rectification and photocurrent surge", Conference on Lasers and Electro-Optics: Optical Society of America, pp. CTuG5, 2009.
Xu, G., Y. J. Ding, H. Zhao, M. Jamil, N. Tansu, I. B. Zotova, C. E. Stutz, D. E. Diggs, N. Fernelius, F. K. Hopkins, et al., "THz generation from InN films based on interference between optical rectification and photocurrent surge", Conference on Lasers and Electro-Optics: Optical Society of America, pp. CTuG5, 2009.
Xu, G., Y. J. Ding, H. Zhao, G. Liu, M. Jamil, N. Tansu, I. B. Zotova, C. E. Stutz, D. E. Diggs, N. Fernelius, et al., "THz generation from InN films due to destructive interference between optical rectification and photocurrent surge", Semiconductor Science and Technology, vol. 25, no. 1: IOP Publishing, pp. 015004, 2009.
Xu, G., Y. J. Ding, H. Zhao, G. Liu, M. Jamil, N. Tansu, I. B. Zotova, C. E. Stutz, D. E. Diggs, N. Fernelius, et al., "THz generation from InN films due to destructive interference between optical rectification and photocurrent surge", Semiconductor Science and Technology, vol. 25, no. 1: IOP Publishing, pp. 015004, 2009.
Shen, H., M. Wraback, H. Zhong, A. Tyagi, SP. DenBaars, S. Nakamura, and JS. Speck, "Unambiguous evidence of the existence of polarization field crossover in a semipolar InGaN/GaN single quantum well", Applied Physics Letters, vol. 95, no. 3: AIP, pp. 033503, 2009.
2011
Roy, T., Y. S. Puzyrev, E. Xia Zhang, S. DasGupta, S. A. Francis, D. M. Fleetwood, R. D. Schrimpf, U. K. Mishra, J. S. Speck, and S. T. Pantelides, "1/f Noise in GaN HEMTs grown under Ga-rich, N-rich, and NH3-rich conditions", Microelectronics Reliability, vol. 51, no. 2: Pergamon, pp. 212–216, 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.
Zhang, Z., C. Hurni, A. Arehart, J. Speck, and S. Ringel, "Deep Traps in M-Plane GaN Grown by Ammonia MBE", 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.

Pages