Publications

Found 19 results
Author Title Type [ Year(Desc)]
Filters: Author is Chung, Roy B  [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.
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
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.
Sato, H., R. B. Chung, H. Hirasawa, N. Fellows, H. Masui, F. Wu, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, et al., "Optical properties of yellow light-emitting diodes grown on semipolar (11 2 2) bulk GaN substrates", Applied Physics Letters, vol. 92, no. 22: AIP, pp. 221110, 2008.
2009
Sato, H., R. B. Chung, F. Wu, J. S. Speck, S. P. DenBaars, and S. Nakamura, MOCVD GROWTH TECHNIQUE FOR PLANAR SEMIPOLAR (Al, In, Ga, B) N BASED LIGHT EMITTING DIODES, 2009.
2011
Chung, R. B., F. Wu, R. Shivaraman, S. Keller, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Growth study and impurity characterization of AlxIn1- xN grown by metal organic chemical vapor deposition", Journal of Crystal Growth, vol. 324, no. 1: North-Holland, pp. 163–167, 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.
Chung, R. B., Z. Chen, J. S. Speck, S. P. DenBaars, and S. Nakamura, Optoelectronic device based on non-polar and semi-polar aluminum indium nitride and aluminum indium gallium nitride alloys, 2011.
Chung, R. B., O. Bierwagen, F. Wu, S. Keller, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Semiconductors, dielectrics, and organic materials-101001 Temperature Dependent Capacitance-Voltage Analysis of Unintentionally Doped and Si Doped Al0. 82 In0. 18N Grown on GaN", Japanese Journal of Applied Physics, vol. 50, no. 10, 2011.
Chung, R. B., E. C. Young, D. A. Haeger, S. P. DenBaars, J. S. Speck, and D. A. Cohen, "Semipolar AlN on bulk GaN for UV-C diode lasers", Quantum Electronics and Laser Science Conference: Optical Society of America, pp. JTuB2, 2011.
Chung, R. B., O. Bierwagen, F. Wu, S. Keller, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Temperature Dependent Capacitance–Voltage Analysis of Unintentionally Doped and Si Doped Al0. 82In0. 18N Grown on GaN", Japanese Journal of Applied Physics, vol. 50, no. 10R: IOP Publishing, pp. 101001, 2011.
2012
Haeger, D. A., E. C. Young, R. B. Chung, F. Wu, N. A. Pfaff, M. Tsai, K. Fujito, S. P. DenBaars, J. S. Speck, S. Nakamura, et al., "384 nm laser diode grown on a (20 2\= 1) semipolar relaxed AlGaN buffer layer", Applied Physics Letters, vol. 100, no. 16: AIP, pp. 161107, 2012.
Garrett, G. A., P. Rotella, H. Shen, M. Wraback, D. A. Haeger, R. B. Chung, N. Pfaff, E. C. Young, S. P. DenBaars, J. S. Speck, et al., "Carrier dynamics in active regions for ultraviolet optoelectronics grown on thick, relaxed AlGaN on semipolar bulk GaN", physica status solidi (b), vol. 249, no. 3: Wiley Online Library, pp. 507–510, 2012.
Chung, R. B., H. Tse Chen, C-C. Pan, J. S. Speck, S. P. DenBaars, and S. Nakamura, Method for fabrication of (al, in, ga) nitride based vertical light emitting diodes with enhanced current spreading of n-type electrode, jun # " 7", 2012.
Sato, H., H. Hirasawa, R. B. Chung, S. P. DenBaars, J. S. Speck, and S. Nakamura, Method for fabrication of semipolar (Al, In, Ga, B) N based light emitting diodes, 2012.
Chung, R. B., C. Han, S. P. DenBaars, J. S. Speck, and S. Nakamura, METHOD FOR REDUCTION OF EFFICIENCY DROOP USING AN (Al, In, Ga) N/Al (x) In (1-x) N SUPERLATTICE ELECTRON BLOCKING LAYER IN NITRIDE BASED LIGHT EMITTING DIODES, jun # " 7", 2012.
Chung, R. B., C. Han, C-C. Pan, N. Pfaff, J. S. Speck, S. P. DenBaars, and S. Nakamura, "The reduction of efficiency droop by Al0. 82In0. 18N/GaN superlattice electron blocking layer in (0001) oriented GaN-based light emitting diodes", Applied Physics Letters, vol. 101, no. 13: AIP, pp. 131113, 2012.