Publications

Found 215 results
Author Title Type [ Year(Desc)]
Filters: First Letter Of Last Name is Z  [Clear All Filters]
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.
Huang, C-Y., Q. Yan, Y. Zhao, K. Fujito, D. Feezell, C. G. Van de Walle, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Influence of Mg-doped barriers on semipolar (20 2\= 1) multiple-quantum-well green light-emitting diodes", Applied Physics Letters, vol. 99, no. 14: AIP, pp. 141114, 2011.
Roy, T., EX. Zhang, YS. Puzyrev, X. Shen, DM. Fleetwood, RD. Schrimpf, G. Koblmueller, R. Chu, C. Poblenz, N. Fichtenbaum, et al., "Temperature-dependence and microscopic origin of low frequency 1/f noise in GaN/AlGaN high electron mobility transistors", Applied Physics Letters, vol. 99, no. 20: AIP, pp. 203501, 2011.
2012
Mazumder, B., MH. Wong, CA. Hurni, JY. Zhang, UK. Mishra, and JS. Speck, "Asymmetric interfacial abruptness in N-polar and Ga-polar GaN/AlN/GaN heterostructures", Applied Physics Letters, vol. 101, no. 9: AIP, pp. 091601, 2012.
Zhang, Z., CA. Hurni, AR. Arehart, J. Yang, RC. Myers, JS. Speck, and SA. Ringel, "Deep traps in nonpolar m-plane GaN grown by ammonia-based molecular beam epitaxy", Applied Physics Letters, vol. 100, no. 5: AIP, pp. 052114, 2012.
Mazumder, B., MH. Wong, CA. Hurni, JY. Zhang, UK. Mishra, and JS. Speck, "Erratum:ìAsymmetric interfacial abruptness in N-polar and Ga-polar GaN/AlN/GaN heterostructuresî[Appl. Phys. Lett. 101, 091601 (2012)]", Applied Physics Letters, vol. 101, no. 22: AIP, pp. 229902, 2012.
Zhao, Y., S. Tanaka, C-Y. Huang, D. F. Feezell, J. S. Speck, S. P. DenBaars, and S. Nakamura, High indium uptake and high polarization ratio for group-iii nitride optoelectronic devices fabricated on a semipolar (20-2-1) plane of a gallium nitride substrate, 2012.
Pan, C-C., S. Tanaka, F. Wu, Y. Zhao, J. S. Speck, S. Nakamura, S. P. DenBaars, and D. Feezell, "High-power, low-efficiency-droop semipolar (2021) single-quantum-well blue light-emitting diodes", Applied Physics Express, vol. 5, no. 6: IOP Publishing, pp. 062103, 2012.
Zhao, Y., Q. Yan, C-Y. Huang, S-C. Huang, P. Shan Hsu, S. Tanaka, C-C. Pan, Y. Kawaguchi, K. Fujito, C. G. Van de Walle, et al., "Indium incorporation and emission properties of nonpolar and semipolar InGaN quantum wells", Applied Physics Letters, vol. 100, no. 20: AIP, pp. 201108, 2012.
Zhang, Z., CA. Hurni, AR. Arehart, JS. Speck, and SA. Ringel, "Influence of V/III growth flux ratio on trap states in m-plane GaN grown by ammonia-based molecular beam epitaxy", Applied Physics Letters, vol. 101, no. 15: AIP, pp. 152104, 2012.
Pan, C-C., T. Gilbert, N. Pfaff, S. Tanaka, Y. Zhao, D. Feezell, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Reduction in thermal droop using thick single-quantum-well structure in semipolar (2021) blue light-emitting diodes", Applied Physics Express, vol. 5, no. 10: IOP Publishing, pp. 102103, 2012.
Zhao, Y., C-Y. Huang, S. Tanaka, C-C. Pan, K. Fujito, D. Feezell, J. S. Speck, S. DenBaars, and S. Nakamura, "Semipolar (20-2-1) Blue and Green InGaN Light-Emitting Diodes", CLEO: Applications and Technology: Optical Society of America, pp. JTh4J–2, 2012.
Huang, C-Y., Y. Zhao, M. Hardy, D. Feezell, J. S. Speck, S. DenBaars, and S. Nakamura, "Semipolar (20-2-1) Laser Diodes (λ= 505nm) with Wavelength-Stable InGaN/GaN Quantum Wells", CLEO: Science and Innovations: Optical Society of America, pp. CTu2N–5, 2012.
Zhong, H., A. Tyagi, J. Stephen Speck, S. P. DenBaars, and S. Nakamura, Thin p-type gallium nitride and aluminum gallium nitride electron-blocking layer free gallium nitride-based light emitting diodes, 2012.
2013
Kawaguchi, Y., S-C. Huang, R. M. Farrell, Y. Zhao, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Dependence of electron overflow on emission wavelength and crystallographic orientation in single-quantum-well III–nitride light-emitting diodes", Applied Physics Express, vol. 6, no. 5: IOP Publishing, pp. 052103, 2013.
DenBaars, S. P., D. Feezell, K. Kelchner, S. Pimputkar, C-C. Pan, C-C. Yen, S. Tanaka, Y. Zhao, N. Pfaff, R. Farrell, et al., "Development of gallium-nitride-based light-emitting diodes (LEDs) and laser diodes for energy-efficient lighting and displays", Acta Materialia, vol. 61, no. 3: Pergamon, pp. 945–951, 2013.
Zhao, Y., S. Ho Oh, F. Wu, Y. Kawaguchi, S. Tanaka, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Green semipolar (2021) InGaN light-emitting diodes with small wavelength shift and narrow spectral linewidth", Applied Physics Express, vol. 6, no. 6: IOP Publishing, pp. 062102, 2013.
Zhao, Y., S. Ho Oh, F. Wu, Y. Kawaguchi, S. Tanaka, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Green semipolar (202̄1̄) InGaN light-emitting diodes with small wavelength shift and narrow spectral linewidth", Applied Physics Express, vol. 6, 6, 2013.
Zhang, Z., AR. Arehart, E. Cinkilic, J. Chen, EX. Zhang, DM. Fleetwood, RD. Schrimpf, B. McSkimming, JS. Speck, and SA. Ringel, "Impact of proton irradiation on deep level states in n-GaN", Applied Physics Letters, vol. 103, no. 4: AIP, pp. 042102, 2013.
Zhang, Z., AR. Arehart, E. Cinkilic, J. Chen, EX. Zhang, DM. Fleetwood, RD. Schrimpf, B. McSkimming, JS. Speck, and SA. Ringel, "Impact of proton irradiation on deep level states in n-GaN", Applied Physics Letters, vol. 103, no. 4: AIP, pp. 042102, 2013.
Marcinkevičius, S., Y. Zhao, KM. Kelchner, S. Nakamura, SP. DenBaars, and JS. Speck, "Near-field investigation of spatial variations of (20 2\= 1\=) InGaN quantum well emission spectra", Applied Physics Letters, vol. 103, no. 13: AIP, pp. 131116, 2013.
Zhao, Y., Q. Yan, D. Feezell, K. Fujito, C. G. Van de Walle, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Optical polarization characteristics of semipolar (303\= 1) and (303\= 1\=) InGaN/GaN light-emitting diodes", Optics express, vol. 21, no. 101: Optical Society of America, pp. A53–A59, 2013.
Chen, J., Y. S. Puzyrev, C. Xuan Zhang, E. Xia Zhang, M. W. McCurdy, D. M. Fleetwood, R. D. Schrimpf, S. T. Pantelides, S. W. Kaun, E. C. H. Kyle, et al., "Proton-induced dehydrogenation of defects in AlGaN/GaN HEMTs", IEEE Transactions on Nuclear Science, vol. 60, no. 6: IEEE, pp. 4080–4086, 2013.

Pages