Publications

Found 1602 results
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2012
Huang, C-Y., S. Nakamura, S. P. DenBaars, and J. S. Speck, Magnesium doping in barriers in multiple quantum well structures of iii-nitride-based light emitting devices, may # " 3", 2012.
Farrell, RM., EC. Young, F. Wu, SP. DenBaars, and JS. Speck, "Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices", Semiconductor Science and Technology, vol. 27, no. 2: IOP Publishing, pp. 024001, 2012.
Schmidt, M. C., K. Choong Kim, H. Sato, S. P. DenBaars, J. S. Speck, and S. Nakamura, Metalorganic chemical vapor deposition (MOCVD) growth of high performance non-polar III-nitride optical devices, 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.
Bierwagen, O., and J. S. Speck, "Mg acceptor doping of In2O3 and overcompensation by oxygen vacancies", Applied Physics Letters, vol. 101, no. 10: AIP, pp. 102107, 2012.
Wong, M. Hoi, F. Wu, C. A. Hurni, S. Choi, J. S. Speck, and U. K. Mishra, "Molecular beam epitaxy of InAlN lattice-matched to GaN with homogeneous composition using ammonia as nitrogen source", Applied Physics Letters, vol. 100, no. 7: AIP, pp. 072107, 2012.
Lang, J. R., and J. S. Speck, "NH3-rich growth of InGaN and InGaN/GaN superlattices by NH3-based molecular beam epitaxy", Journal of Crystal Growth, vol. 346, no. 1: North-Holland, pp. 50–55, 2012.
Cardwell, DW., AR. Arehart, C. Poblenz, Y. Pei, JS. Speck, UK. Mishra, SA. Ringel, and JP. Pelz, "Nm-scale measurements of fast surface potential transients in an AlGaN/GaN high electron mobility transistor", Applied Physics Letters, vol. 100, no. 19: AIP, pp. 193507, 2012.
Craven, M. D., S. Keller, S. P. DenBaars, T. Margalith, J. S. Speck, S. Nakamura, and U. K. Mishra, Non-polar (Al, B, In, Ga) N quantum well and heterostructure materials and devices, may # " 29", 2012.
Craven, M. D., S. Keller, S. P. DenBaars, T. Margalith, J. Stephen Speck, S. Nakamura, and U. K. Mishra, NON-POLAR (Al, B, In, Ga) N QUANTUM WELL AND HETEROSTRUCTURE MATERIALS AND DEVICES, 2012.
Choi, S., F. Wu, R. Shivaraman, E. C. Young, and J. S. Speck, "Observation of columnar microstructure in lattice-matched InAlN/GaN grown by plasma assisted molecular beam epitaxy", Applied Physics Letters, vol. 100, no. 23: AIP, pp. 232102, 2012.
Choi, S-B., S-Y. Bae, D-S. Lee, B. Hyun Kong, H. Koun Cho, J-H. Song, B-J. Ahn, J. F. Keading, S. Nakamura, S. P. DenBaars, et al., "Optical Characterization of Double Peak Behavior in 101Ø1 Semipolar Light-Emitting Diodes on Miscut m-Plane Sapphire Substrates", Japanese Journal of Applied Physics, vol. 51, no. 5R: IOP Publishing, pp. 052101, 2012.
Hodges, C., N. Killat, SW. Kaun, MH. Wong, F. Gao, T. Palacios, UK. Mishra, JS. Speck, D. Wolverson, and M. Kuball, "Optical investigation of degradation mechanisms in AlGaN/GaN high electron mobility transistors: Generation of non-radiative recombination centers", Applied Physics Letters, vol. 100, no. 11: AIP, pp. 112106, 2012.
Matioli, E. de Nazaret, C. C. A. Weisbuch, J. S. Speck, and E. L. Hu, Optoelectronic devices with embedded void structures, 2012.
Koslow, I. L., M. T. Hardy, P. Shan Hsu, P-Y. Dang, F. Wu, A. Romanov, Y-R. Wu, E. C. Young, S. Nakamura, J. S. Speck, et al., "Performance and polarization effects in (11 2\= 2) long wavelength light emitting diodes grown on stress relaxed InGaN buffer layers", Applied Physics Letters, vol. 101, no. 12: AIP, pp. 121106, 2012.
Hirai, A., Z. Jia, M. Saito, H. Yamada, K. Iso, S. P. DenBaars, S. Nakamura, and J. S. Speck, Planar nonpolar m-plane group III nitride films grown on miscut substrates, 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.
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.
Dasgupta, S., J. Lu, J. S. Speck, U. K. Mishra, and others, "Scaled self-aligned N-polar GaN/AlGaN MIS-HEMTs with $ f_ ${$T$}$ $ of 275 GHz", IEEE Electron Device Letters, vol. 33, no. 7: IEEE, pp. 961–963, 2012.
Dasgupta, S., J. Lu, J. S. Speck, U. K. Mishra, and others, "Self-aligned N-polar GaN/InAlN MIS-HEMTs with record extrinsic transconductance of 1105 mS/mm", IEEE Electron Device Letters, vol. 33, no. 6: IEEE, pp. 794–796, 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.
Hardy, M. T., S. P. DenBaars, J. S. Speck, and S. Nakamura, Strain compensated short-period superlattices on semipolar or nonpolar gan for defect reduction and stress engineering, 2012.

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