Publications

Found 673 results
Author Title Type [ Year(Asc)]
Filters: Author is Speck, James S  [Clear All Filters]
2016
Von Dollen, P., S. Pimputkar, M. Abo Alreesh, S. Nakamura, and J. S. Speck, "A new system for sodium flux growth of bulk GaN. Part II: in situ investigation of growth processes", Journal of Crystal Growth, vol. 456: North-Holland, pp. 67–72, 2016.
Hwang, D., B. P. Yonkee, B. Saif Addin, R. M. Farrell, S. Nakamura, J. S. Speck, and S. DenBaars, "Photoelectrochemical liftoff of LEDs grown on freestanding c-plane GaN substrates", Optics Express, vol. 24, no. 20: Optical Society of America, pp. 22875–22880, 2016.
Hirai, A., Z. Jia, M. Saito, H. Yamada, K. Iso, S. P. DenBaars, S. Nakamura, and J. S. Speck, Planar nonpolar group-III nitride films grown on miscut substrates, 2016.
Hestroffer, K., C. Lund, H. Li, S. Keller, J. S. Speck, and U. K. Mishra, "Plasma-assisted molecular beam epitaxy growth diagram of InGaN on (0001) GaN for the optimized synthesis of InGaN compositional grades", physica status solidi (b), vol. 253, no. 4, pp. 626–629, 2016.
Hestroffer, K., C. Lund, H. Li, S. Keller, J. S. Speck, and U. K. Mishra, "Plasma-assisted molecular beam epitaxy growth diagram of InGaN on (0001) GaN for the optimized synthesis of InGaN compositional grades (Phys. Status Solidi B 4/2016)", physica status solidi (b), vol. 253, no. 4, pp. 792–792, 2016.
Mensi, M. D., D. L. Becerra, R. Ivanov, S. Marcinkevičius, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Properties of near-field photoluminescence in green emitting single and multiple semipolar (20< span style=", Optical Materials Express, vol. 6, no. 1: Optical Society of America, pp. 39–45, 2016.
Pimputkar, S., S. Nakamura, and J. S. Speck, Reactor vessels for ammonothermal and flux-based growth of group-iii nitride crystals, 2016.
Oh, S. Ho, B. P. Yonkee, M. Cantore, R. M. Farrell, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Semipolar III–nitride light-emitting diodes with negligible efficiency droop up to 1 W", Applied Physics Express, vol. 9, no. 10: IOP Publishing, pp. 102102, 2016.
Lee, S., S. Mishkat-Ul-Masabih, J. T. Leonard, D. F. Feezell, D. A. Cohen, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Smooth and selective photo-electrochemical etching of heavily doped GaN: Si using a mode-locked 355 nm microchip laser", Applied Physics Express, vol. 10, no. 1: IOP Publishing, pp. 011001, 2016.
Griffiths, S., S. Pimputkar, J. S. Speck, and S. Nakamura, "On the solubility of gallium nitride in supercritical ammonia–sodium solutions", Journal of Crystal Growth, vol. 456: North-Holland, pp. 5–14, 2016.
Dreyer, C. E., A. Alkauskas, J. L. Lyons, J. S. Speck, and C. G. Van de Walle, "Sources of Shockley-Read-Hall recombination in III-nitride light emitters", APS Meeting Abstracts, 2016.
Pimputkar, S., T. F. Malkowski, S. Griffiths, A. Espenlaub, S. Suihkonen, J. S. Speck, and S. Nakamura, "Stability of materials in supercritical ammonia solutions", The Journal of Supercritical Fluids, vol. 110: Elsevier, pp. 193–229, 2016.
2015
Lee, C., C. Shen, H. M. Oubei, M. Cantore, B. Janjua, T. Khee Ng, R. M. Farrell, M. M. El-Desouki, J. S. Speck, S. Nakamura, et al., "2 Gbit/s data transmission from an unfiltered laser-based phosphor-converted white lighting communication system", Optics express, vol. 23, no. 23: Optical Society of America, pp. 29779–29787, 2015.
Lee, C., C. Zhang, M. Cantore, R. M. Farrell, S. Ho Oh, T. Margalith, J. S. Speck, S. Nakamura, J. E. Bowers, and S. P. DenBaars, "4 Gbps direct modulation of 450 nm GaN laser for high-speed visible light communication", Optics express, vol. 23, no. 12: Optical Society of America, pp. 16232–16237, 2015.
Iza, M., J. S. Speck, S. Nakamura, and S. P. DenBaars, (Al, In, Ga, B) N DEVICE STRUCTURES ON A PATTERNED SUBSTRATE, 2015.
Feezell, D. F., M. C. Schmidt, K-C. Kim, R. M. Farrell, D. A. Cohen, J. S. Speck, S. P. DenBaars, and S. Nakamura, Al (x) Ga (1-x) N-cladding-free nonpolar III-nitride based laser diodes and light emitting diodes, may # " 26", 2015.
Pimputkar, S., J. S. Speck, S. Nakamura, and S-ichiro. Kawabata, Ammonothermal growth of group-III nitride crystals on seeds with at least two surfaces making an acute, right or obtuse angle with each other, 2015.
Megalini, L., D. L. Becerra, R. M. Farrell, A. Pourhashemi, J. S. Speck, S. Nakamura, S. P. DenBaars, and D. A. Cohen, "Continuous-wave operation of a InGaN laser diode with a photoelectrochemically etched current aperture", Applied Physics Express, vol. 8, no. 4: IOP Publishing, pp. 042701, 2015.
Fireman, M. N., D. A. Browne, B. Mazumder, J. S. Speck, and U. K. Mishra, "Demonstration of isotype GaN/AlN/GaN heterobarrier diodes by NH3-molecular beam epitaxy", Applied Physics Letters, vol. 106, no. 20: AIP Publishing, pp. 202106, 2015.
Yeluri, R., J. Lu, C. A. Hurni, D. A. Browne, S. Chowdhury, S. Keller, J. S. Speck, and U. K. Mishra, "Design, fabrication, and performance analysis of GaN vertical electron transistors with a buried p/n junction", Applied Physics Letters, vol. 106, no. 18: AIP Publishing, pp. 183502, 2015.
Weisbuch, C., M. Piccardo, L. Martinelli, J. Iveland, J. Peretti, and J. S. Speck, "The efficiency challenge of nitride light-emitting diodes for lighting", physica status solidi (a), vol. 212, no. 5, pp. 899–913, 2015.
Kuritzky, L. Y., D. J. Myers, J. Nedy, K. M. Kelchner, S. Nakamura, S. P. DenBaars, C. Weisbuch, and J. S. Speck, "Electroluminescence characteristics of blue InGaN quantum wells on m-plane GaN ìdouble miscutî substrates", Applied Physics Express, vol. 8, no. 6: IOP Publishing, pp. 061002, 2015.
Browne, D. A., B. Mazumder, Y-R. Wu, and J. S. Speck, "Electron transport in unipolar InGaN/GaN multiple quantum well structures grown by NH3 molecular beam epitaxy", Journal of Applied Physics, vol. 117, no. 18: AIP Publishing, pp. 185703, 2015.
Papadogianni, A., M. E. White, J. S. Speck, Z. Galazka, and O. Bierwagen, "Hall and Seebeck measurements estimate the thickness of a (buried) carrier system: Identifying interface electrons in In-doped SnO2 films", Applied Physics Letters, vol. 107, no. 25: AIP Publishing, pp. 252105, 2015.
McSkimming, B. M., C. Chaix, and J. S. Speck, "High active nitrogen flux growth of GaN by plasma assisted molecular beam epitaxy", Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, vol. 33, no. 5: AVS, pp. 05E128, 2015.

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