Publications

Found 853 results
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2019
Reilly, C. E., B. Bonef, S. Nakamura, J. S. Speck, S. P. DenBaars, and S. Keller, "Characterization of InGaN quantum dots grown by metalorganic chemical vapor deposition", Semiconductor Science and Technology, vol. 34, pp. 125002, oct, 2019.
Khoury, M., H. Li, H. Zhang, B. Bonef, M. S. Wong, F. Wu, D. Cohen, P. De Mierry, P. Vennéguès, J. S. Speck, et al., "Demonstration of Electrically Injected Semipolar Laser Diodes Grown on Low-Cost and Scalable Sapphire Substrates", ACS Applied Materials & Interfaces, vol. 11, pp. 47106-47111, 2019.
Khoury, M., H. Li, H. Zhang, B. Bonef, M. S. Wong, F. Wu, D. Cohen, P. De Mierry, P. Vennéguès, J. S. Speck, et al., "Demonstration of Electrically Injected Semipolar Laser Diodes Grown on Low-Cost and Scalable Sapphire Substrates", ACS Applied Materials & Interfaces, vol. 11, pp. 47106-47111, 2019.
Hilfiker, M., U. Kilic, A. Mock, V. Darakchieva, S. Knight, R. Korlacki, A. Mauze, Y. Zhang, J. Speck, and M. Schubert, "Dielectric function tensor (1.5 eV to 9.0 eV), anisotropy, and band to band transitions of monoclinic β-(AlxGa1–x)2O3 (x ≤ 0.21) films", Applied Physics Letters, vol. 114, pp. 231901, 2019.
Hamdy, K. W., E. C. Young, A. I. Alhassan, D. L. Becerra, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Efficient tunnel junction contacts for high-power semipolar III-nitride edge-emitting laser diodes", Opt. Express, vol. 27, pp. 8327–8334, Mar, 2019.
SaifAddin, B. K., A. Almogbel, C. J. Zollner, H. Foronda, A. Alyamani, A. Albadri, M. Iza, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Fabrication technology for high light-extraction ultraviolet thin-film flip-chip (UV TFFC) LEDs grown on SiC", Semiconductor Science and Technology, vol. 34, pp. 035007, 01/2019.
Lheureux, G., S. Mehari, D. Cohen, P. Chan, H. Zhang, K. Hamdy, C. Reilly, R. Anderson, E. Zeitz, R. Seshadri, et al., "GaN High-Power Lasers for solid-state lighting", OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED): Optical Society of America, 2019.
Wang, J., E. Young, B. SaifAddin, C. Zollner, A. Almogbel, M. Fireman, M. Izza, S. Nakamura, S. Denbaars, and J. Speck, "Hybrid III-Nitride Tunnel Junctions for Low Excess Voltage Blue LEDs and UVC LEDs", 2019 Compound Semiconductor Week (CSW), May, 2019.
Saifaddin, B. K., M. Iza, H. Foronda, A. Almogbel, C. J. Zollner, F. Wu, A. Alyamani, A. Albadri, S. Nakamura, S. P. DenBaars, et al., "Impact of roughening density on the light extraction efficiency of thin-film flip-chip ultraviolet LEDs grown on SiC", Opt. Express, vol. 27, pp. A1074–A1083, Aug, 2019.
Alreesh, M. Abo, P. Von Dollen, T. F. Malkowski, T. Mates, H. Albrithen, S. DenBaars, S. Nakamura, and J. S. Speck, "Investigation of oxygen and other impurities and their effect on the transparency of a Na flux grown GaN crystal", Journal of Crystal Growth, vol. 508, pp. 50 - 57, 2019.
Baj, M., L. H. Dmowski, A. Kwiatkowski, J. Przybytek, X. Wang, G. Koblmüller, C. S. Gallinat, and J. S. Speck, "Puzzle of non-surface related 2D electron gas in n-InN epitaxial samples", Journal of Applied Physics, vol. 126, pp. 045705, 2019.
Kamikawa, T., S. Gandrothula, M. Araki, H. Li, V. Bonito Oliva, F. Wu, D. Cohen, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Realization of thin-film m-plane InGaN laser diode fabricated by epitaxial lateral overgrowth and mechanical separation from a reusable growth substrate", Opt. Express, vol. 27, pp. 24717–24723, Aug, 2019.
Almogbel, A., B. SaifAddin, C. Zollner, M. Iza, H. Albrithen, A. Alyamani, A. Albadri, S. Nakamura, S. Denbaars, and J. Speck, "Recent progress in AlGaN UV-C LEDs grown on SiC", 2019 Compound Semiconductor Week (CSW), May, 2019.
Zollner, C. J., A. Almogbel, Y. Yao, B. K. SaifAddin, F. Wu, M. Iza, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Reduced dislocation density and residual tension in AlN grown on SiC by metalorganic chemical vapor deposition", Applied Physics Letters, vol. 115, pp. 161101, 2019.
Kang, C. Hong, G. Liu, C. Lee, O. Alkhazragi, J. M. Wagstaff, K-H. Li, F. Alhawaj, T. Khee Ng, J. S. Speck, S. Nakamura, et al., "Semipolar (202̅1̅) InGaN/GaN micro-photodetector for gigabit-per-second visible light communication", Applied Physics Express, vol. 13, pp. 014001, nov, 2019.
Mehari, S., D. A. Cohen, D. L. Becerra, H. Zhang, C. Weisbuch, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Semipolar III-nitride laser diodes for solid-state lighting", Novel In-Plane Semiconductor Lasers XVIII: International Society for Optics and Photonics, 2019.
Wong, M. S., C. Lee, D. J. Myers, D. Hwang, J. A. Kearns, T. Li, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Size-independent peak efficiency of III-nitride micro-light-emitting-diodes using chemical treatment and sidewall passivation", Applied Physics Express, vol. 12, pp. 097004, aug, 2019.
2018
Reparaz, J. S., P. K. da Silva, A. H. Romero, J. Serrano, M. R. Wagner, G. Callsen, S. J. Choi, J. S. Speck, and A. R. Goñi, "Comparative study of the pressure dependence of optical-phonon transverse-effective charges and linewidths in wurtzite InN", Phys. Rev. B, vol. 98, pp. 165204, Oct, 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.
Saifaddin, B., C. J. Zollner, A. Almogbel, H. Foronda, F. Wu, A. Albadri, A. Al Yamani, M. Iza, S. Nakamura, S. P. DenBaars, et al., "Developments in AlGaN and UV-C LEDs grown on SiC", Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XXII, vol. 10554: International Society for Optics and Photonics, pp. 105541E, 2018.
Malkowski, T. F., J. S. Speck, S. P. DenBaars, and S. Nakamura, "An exploratory study of acidic ammonothermal growth in a TZM autoclave at high temperatures", Journal of Crystal Growth, vol. 499, pp. 85 - 89, 2018.
Griffiths, S., S. Pimputkar, J. Kearns, T.F. Malkowski, M.F. Doherty, J.S. Speck, and S. Nakamura, "Growth kinetics of basic ammonothermal gallium nitride crystals", Journal of Crystal Growth, vol. 501, pp. 74 - 80, 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.

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