Publications

Found 673 results
Author Title Type [ Year(Desc)]
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.
2017
Megalini, L., B. Bonef, B. C. Cabinian, H. Zhao, A. Taylor, J. S. Speck, J. E. Bowers, and J. Klamkin, "1550-nm InGaAsP multi-quantum-well structures selectively grown on v-groove-patterned SOI substrates", Applied Physics Letters, vol. 111, no. 3: AIP Publishing, pp. 032105, 2017.
Khoury, M., H. Li, L. Y. Kuritzky, A. J. Mughal, P. DeMierry, S. Nakamura, J. S. Speck, and S. P. DenBaars, "444 nm InGaN light emitting diodes on low-defect-density GaN templates on patterned sapphire", Applied Physics Express, vol. 10, no. 10: IOP Publishing, pp. 106501, 2017.
Foronda, H. M., B. Mazumder, E. C. Young, M. A. Laurent, Y. Li, S. P. DenBaars, and J. S. Speck, "Analysis of Vegardís law for lattice matching InxAl1- xN to GaN by metalorganic chemical vapor deposition", Journal of Crystal Growth, vol. 475: North-Holland, pp. 127–135, 2017.
Shen, J-X., D. Wickramaratne, C. E. Dreyer, A. Alkauskas, E. Young, J. S. Speck, and C. G. Van de Walle, "Calcium as a nonradiative recombination center in InGaN", Applied Physics Express, vol. 10, no. 2: IOP Publishing, pp. 021001, 2017.
Li, H., B. Mazumder, B. Bonef, S. Keller, S. Wienecke, J. S. Speck, S. P. DenBaars, and U. K. Mishra, "Characterization of N-polar AlN in GaN/AlN/(Al, Ga) N heterostructures grown by metal-organic chemical vapor deposition", Semiconductor Science and Technology, vol. 32, no. 11: IOP Publishing, pp. 115004, 2017.
Bonef, B., R. Cramer, F. Wu, and J. S. Speck, "Correlated Transmission Electron Microscopy and Atom Probe Tomography study of Boron distribution in BGaN", Microscopy and Microanalysis, vol. 23, no. S1: Cambridge University Press, pp. 668–669, 2017.
Ahmadi, E., O. S. Koksaldi, X. Zheng, T. Mates, Y. Oshima, U. K. Mishra, and J. S. Speck, "Demonstration of β-(Al x Ga1- x) 2O3/β-Ga2O3 modulation doped field-effect transistors with Ge as dopant grown via plasma-assisted molecular beam epitaxy", Applied Physics Express, vol. 10, no. 7: IOP Publishing, pp. 071101, 2017.
Mensi, M., R. Ivanov, T. K. Uz?davinys, K. M. Kelchner, S. Nakamura, S. P. DenBaars, J. S. Speck, and S. Marcinkevic?ius, "Direct measurement of nanoscale lateral carrier diffusion: toward scanning diffusion microscopy", ACS Photonics: American Chemical Society, 2017.
Li, H., M. Khoury, B. Bonef, A. I. Alhassan, A. J. Mughal, E. Azimah, M. E. A. Samsudin, P. De Mierry, S. Nakamura, J. S. Speck, et al., "Efficient Semipolar (11–22) 550 nm Yellow/Green InGaN Light-Emitting Diodes on Low Defect Density (11–22) GaN/Sapphire Templates", ACS applied materials & interfaces, vol. 9, no. 41: American Chemical Society, pp. 36417–36422, 2017.
Marcinkevičius, S., T. K. Uždavinys, H. M. Foronda, D. E. Cohen, J. S. Speck, and C. Weisbuch, "Evaluation of intervalley energy of GaN conduction band by ultrafast pump-probe spectroscopy (Conference Presentation)", Gallium Nitride Materials and Devices XII, vol. 10104: International Society for Optics and Photonics, pp. 101040L, 2017.
Mazumder, B., S. Broderick, K. Rajan, J. Peralta, H. Foronda, and J. S. Speck, "Field Evaporation Behavior of Ternary Compound Semiconductor In x Al ix N", Microscopy and Microanalysis, vol. 23, no. S1: Cambridge University Press, pp. 636–637, 2017.
Ahmadi, E., O. S. Koksaldi, S. W. Kaun, Y. Oshima, D. B. Short, U. K. Mishra, and J. S. Speck, "Ge doping of β-Ga2O3 films grown by plasma-assisted molecular beam epitaxy", Applied Physics Express, vol. 10, no. 4: IOP Publishing, pp. 041102, 2017.
Lee, C., C. Shen, C. Cozzan, R. M. Farrell, J. S. Speck, S. Nakamura, B. S. Ooi, and S. P. DenBaars, "Gigabit-per-second white light-based visible light communication using near-ultraviolet laser diode and red-, green-, and blue-emitting phosphors", Optics express, vol. 25, no. 15: Optical Society of America, pp. 17480–17487, 2017.

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