Publications

Found 217 results
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2008
Sato, H., H. Hirasawa, H. Asamizu, N. Fellows, A. Tyagi, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "The Blue Laser Diode'The Blue Laser Diode', 1997", Journal of light and visual environment, vol. 32, no. 2, pp. 107–110, 2008.
Sato, H., H. Hirasawa, H. Asamizu, N. Fellows, A. Tyagi, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High power and high efficiency semipolar InGaN light emitting diodes", Journal of Light & Visual Environment, vol. 32, no. 2: The Illuminating Engineering Institute of Japan, pp. 107–110, 2008.
Tyagi, A., H. Zhong, R. B. Chung, D. F. Feezell, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "InGaN/GaN laser diodes on semipolar (10$$\backslash$bar 1$ $$\backslash$bar 1$) bulk GaN substrates", physica status solidi (c), vol. 5, no. 6: WILEY-VCH Verlag, pp. 2108–2110, 2008.
Zhong, H., A. Tyagi, JS. Speck, and S. Nakamura, "Piezoelectric Field in Semi-Polar InGaN/GaN Quantum Wells H. Shen, GA Garrett, and M. Wraback US Army Research Laboratory 2800 Powder Mill Road, Adelphi, MD 20783", Phys. Lett, vol. 92, pp. 221110, 2008.
White, ME., MY. Tsai, F. Wu, and JS. Speck, "Plasma-assisted molecular beam epitaxy and characterization of Sn O 2 (101) on r-plane sapphire", Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, vol. 26, no. 5: AVS, pp. 1300–1307, 2008.
Tsai, MY., ME. White, and JS. Speck, "Plasma-assisted molecular beam epitaxy of SnO2 on TiO2", Journal of Crystal Growth, vol. 310, no. 18: North-Holland, pp. 4256–4261, 2008.
Tyagi, A., Y-. Da Lin, D. A. Cohen, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Stimulated emission at blue-green (480 nm) and green (514 nm) wavelengths from nonpolar (m-plane) and semipolar (1122) InGaN multiple quantum well laser diode structures", Applied physics express, vol. 1, no. 9: IOP Publishing, pp. 091103, 2008.
Garrett, G. A., H. Shen, M. Wraback, A. Tyagi, M. C. Schmidt, Z. Jia, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Time-resolved optical studies of InGaN LED structures grown on semipolar and nonpolar bulk GaN substrates", Conference on Lasers and Electro-Optics: Optical Society of America, pp. CMAA1, 2008.
2007
Zhong, H., A. Tyagi, NN. Fellows, RB. Chung, M. Saito, K. Fujito, JS. Speck, SP. DenBaars, and S. Nakamura, "Demonstration of high power blue-green light emitting diode on semipolar (1122) bulk GaN substrate", Electronics Letters, vol. 43, no. 15: IET Digital Library, pp. 825–827, 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.
2005
Hansen, P. J., Y. Terao, Y. Wu, R. A. York, U. K. Mishra, and JS. Speck, "LiNbO 3 thin film growth on (0001)-GaN", Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena, vol. 23, no. 1: AVS, pp. 162–167, 2005.
2004
Hansen, PJ., L. Shen, Y. Wu, A. Stonas, Y. Terao, S. Heikman, D. Buttari, TR. Taylor, SP. DenBaars, UK. Mishra, et al., "Al Ga N/ Ga N metal-oxide-semiconductor heterostructure field-effect transistors using barium strontium titanate", Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena, vol. 22, no. 5: AVS, pp. 2479–2485, 2004.
Hansen, PJ., L. Shen, Y. Wu, A. Stonas, Y. Terao, S. Heikman, D. Buttari, TR. Taylor, SP. DenBaars, UK. Mishra, et al., "Al Ga N/ Ga N metal-oxide-semiconductor heterostructure field-effect transistors using barium strontium titanate", Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena, vol. 22, no. 5: AVS, pp. 2479–2485, 2004.
Tenne, DA., A. Soukiassian, XX. Xi, TR. Taylor, PJ. Hansen, JS. Speck, and RA. York, "Effect of thermal strain on the ferroelectric phase transition in polycrystalline Ba 0.5 Sr 0.5 Ti O 3 thin films studied by Raman spectroscopy", Applied physics letters, vol. 85, no. 18: AIP, pp. 4124–4126, 2004.
Tenne, DA., A. Soukiassian, XX. Xi, TR. Taylor, PJ. Hansen, JS. Speck, and RA. York, "Effect of thermal strain on the ferroelectric phase transition in polycrystalline Ba 0.5 Sr 0.5 Ti O 3 thin films studied by Raman spectroscopy", Applied physics letters, vol. 85, no. 18: AIP, pp. 4124–4126, 2004.

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