Publications

Found 209 results
Author Title Type [ Year(Desc)]
Filters: First Letter Of Last Name is T  [Clear All Filters]
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.
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.
2009
Tyagi, A., R. M. Farrell, K. M. Kelchner, C-Y. Huang, P. Shan 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, no. 1: IOP Publishing, pp. 011002, 2009.
Garrett, G. A., H. Shen, M. Wraback, A. Tyagi, M. C. Schmidt, J. S. Speck, S. P. DenBaars, and S. Nakamaura, "Comparison of time-resolved photoluminescence from InGaN single quantum wells grown on nonpolar and semipolar bulk GaN substrates", physica status solidi (c), vol. 6, no. S2: WILEY-VCH Verlag, 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.
White, ME., O. Bierwagen, MY. Tsai, and JS. Speck, "Electron transport properties of antimony doped Sn O 2 single crystalline thin films grown by plasma-assisted molecular beam epitaxy", Journal of Applied Physics, vol. 106, no. 9: AIP, pp. 093704, 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.
Tsai, MY., ME. White, and JS. Speck, "Investigation of (110) Sn O 2 growth mechanisms on Ti O 2 substrates by plasma-assisted molecular beam epitaxy", Journal of Applied Physics, vol. 106, no. 2: AIP, pp. 024911, 2009.
Bierwagen, O., M. E. White, M-Y. Tsai, T. Nagata, and J. S. Speck, "Non-alloyed Schottky and ohmic contacts to as-grown and oxygen-plasma treated n-type SnO2 (110) and (101) thin films", Applied Physics Express, vol. 2, no. 10: IOP Publishing, pp. 106502, 2009.
Tyagi, A., F. Wu, E. C. Young, A. Chakraborty, H. Ohta, R. Bhat, K. Fujito, S. P. DenBaars, S. Nakamura, and J. S. Speck, "Partial strain relaxation via misfit dislocation generation at heterointerfaces in (Al, In) GaN epitaxial layers grown on semipolar (11 2\= 2) GaN free standing substrates", Applied Physics Letters, vol. 95, no. 25: AIP, pp. 251905, 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.
Bierwagen, O., M. E. White, M-Y. Tsai, and J. S. Speck, "Plasma-assisted molecular beam epitaxy of high quality In 2 O 3 (001) thin films on Y-Stabilized ZrO 2 (001) using in as an auto surfactant", Applied Physics Letters, vol. 95, no. 26: AIP, pp. 262105, 2009.
Tamboli, A. C., M. C. Schmidt, S. Rajan, J. S. Speck, U. K. Mishra, S. P. DenBaars, and E. L. Hu, "Smooth top-down photoelectrochemical etching of m-plane GaN", Journal of The Electrochemical Society, vol. 156, no. 1: The Electrochemical Society, pp. H47–H51, 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.

Pages