Publications

Found 673 results
Author Title Type [ Year(Asc)]
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2018
Espenlaub, A. C., A. I. Alhassan, S. Nakamura, C. Weisbuch, and J. S. Speck, "Auger-generated hot carrier current in photo-excited forward biased single quantum well blue light emitting diodes", Applied Physics Letters, vol. 112, no. 14: AIP Publishing, pp. 141106, 2018.
Filoche, M., M. Piccardo, C-K. Li, Y-R. Wu, J. S. Speck, B. Bonef, R. M. Farrell, S. Mayboroda, J-M. Lentali, L. Martinelli, et al., "Carrier localization induced by alloy disorder in nitride devices: theory and experiments (Conference Presentation)", Gallium Nitride Materials and Devices XIII, vol. 10532: International Society for Optics and Photonics, pp. 105320S, 2018.
Farzana, E., E. Ahmadi, J. S. Speck, A. R. Arehart, and S. A. Ringel, "Deep level defects in Ge-doped (010) β-Ga2O3 layers grown by plasma-assisted molecular beam epitaxy", Journal of Applied Physics, vol. 123, no. 16: AIP Publishing, pp. 161410, 2018.
Alhassan, A. I., N. G. Young, R. M. Farrell, C. Pynn, F. Wu, A. Y. Alyamani, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Development of high performance green c-plane III-nitride light-emitting diodes", Optics express, vol. 26, no. 5: Optical Society of America, pp. 5591–5601, 2018.
Bonef, B., R. Cramer, and J. S. Speck, "Erratum:Nanometer scale composition study of MBE grown BGaN performed by atom probe tomography", Journal of Applied Physics, vol. 123, no. 1: AIP Publishing, pp. 019901, 2018.
Hahn, W., J-M. Lentali, P. Polovodov, N. Young, J. S. Speck, C. Weisbuch, M. Filoche, F. Maroun, L. Martinelli, Y. Lassailly, et al., "Experimental evidence of nanometer-scale localized recombination due to random In fluctuations in InGaN/GaN quantum wells (Conference Presentation)", Physics and Simulation of Optoelectronic Devices XXVI, vol. 10526: International Society for Optics and Photonics, pp. 105261N, 2018.
Fireman, MN., H. Li, S. Keller, U. K. Mishra, and J. S. Speck, "Growth of N-polar GaN by ammonia molecular beam epitaxy", Journal of Crystal Growth, vol. 481: North-Holland, pp. 65–70, 2018.
Uždavinys, T. K., D. L. Becerra, M. D. Mensi, R. Ivanov, S. Nakamura, S. P. DenBaars, J. S. Speck, and S. Marcinkevičius, "Impact of alloy composition and well width fluctuations on linewidth broadening and carrier lifetimes in semipolar InGaN quantum wells (Conference Presentation)", Gallium Nitride Materials and Devices XIII, vol. 10532: International Society for Optics and Photonics, pp. 105320P, 2018.
Foronda, H. M., F. Wu, C. Zollner, M. Esmed Alif, B. Saifaddin, A. Almogbel, M. Iza, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Low threading dislocation density aluminum nitride on silicon carbide through the use of reduced temperature interlayers", Journal of Crystal Growth, vol. 483: North-Holland, pp. 134–139, 2018.
Han, S-H., A. Mauze, E. Ahmadi, T. Mates, Y. Oshima, and J. S. Speck, "n-type dopants in (001) β-Ga2O3 grown on (001) β-Ga2O3 substrates by plasma-assisted molecular beam epitaxy", Semiconductor Science and Technology, vol. 33, no. 4: IOP Publishing, pp. 045001, 2018.
Speck, J. S., "Progress in beta-gallium-oxide materials and devices (Conference Presentation)", Oxide-based Materials and Devices IX, vol. 10533: International Society for Optics and Photonics, pp. 1053307, 2018.
Alhassan, A. I., E. C. Young, A. Y. Alyamani, A. Albadri, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Reduced-droop green III–nitride light-emitting diodes utilizing GaN tunnel junction", Applied Physics Express, vol. 11, no. 4: IOP Publishing, pp. 042101, 2018.
Khoury, M., H. Li, B. Bonef, L. Y. Kuritzky, A. J. Mughal, S. Nakamura, J. S. Speck, and S. P. DenBaars, "Semipolar GaN templates on sapphire: 432 nm InGaN light-emitting diodes and light extraction simulations", Applied Physics Express, vol. 11, no. 3: IOP Publishing, pp. 036501, 2018.
Lee, C., C. Shen, C. Cozzan, R. M. Farrell, S. Nakamura, A. Y. Alyamani, B. S. Ooi, J. E. Bowers, S. P. DenBaars, and J. S. Speck, "Semipolar GaN-based laser diodes for Gbit/s white lighting communication: devices to systems", Gallium Nitride Materials and Devices XIII, vol. 10532: International Society for Optics and Photonics, pp. 105321N, 2018.
Shen, C., T. Khee Ng, C. Lee, S. Nakamura, J. S. Speck, S. P. DenBaars, A. Y. Alyamani, M. M. El-Desouki, and B. S. Ooi, "Semipolar InGaN quantum-well laser diode with integrated amplifier for visible light communications", Optics express, vol. 26, no. 6: Optical Society of America, pp. A219–A226, 2018.
Jr, R. M. Farrell, T. J. Baker, A. Chakraborty, B. A. Haskell, M. P. Pattison, R. Sharma, U. K. Mishra, S. P. DenBaars, J. S. Speck, S. Nakamura, et al., TECHNIQUE FOR THE GROWTH AND FABRICATION OF SEMIPOLAR (Ga, Al, In, B) N THIN FILMS, HETEROSTRUCTURES, AND DEVICES, 2018.
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.

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