Publications

Found 1586 results
Author Title Type [ Year(Asc)]
2018
Farzana, E., H. M. Foronda, C. M. Jackson, T. Razzak, Z. Zhang, J. S. Speck, A. R. Arehart, and S. A. Ringel, "Characterization of traps in InAlN by optically and thermally stimulated deep level defect spectroscopies", Journal of Applied Physics, vol. 124, pp. 145703, 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.
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.
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.
Neal, A. T., S. Mou, S. Rafique, H. Zhao, E. Ahmadi, J. S. Speck, K. T. Stevens, J. D. Blevins, D. B. Thomson, N. Moser, et al., "Donors and deep acceptors in β-Ga2O3", Applied Physics Letters, vol. 113, pp. 062101, 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, S. Nakamura, J. S. Speck, C. Weisbuch, M. Filoche, Y.-R. Wu, M. Piccardo, et al., "Evidence of nanoscale Anderson localization induced by intrinsic compositional disorder in InGaN/GaN quantum wells by scanning tunneling luminescence spectroscopy", Phys. Rev. B, vol. 98, pp. 045305, Jul, 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.
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.
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.
Kimmel, A.-C.L., T. F. Malkowski, S. Griffiths, B. Hertweck, T. G. Steigerwald, L. P. Freund, S. Neumeier, M. Göken, J. S. Speck, and E. Schluecker, "High-temperature corrosion of Inconel®Alloy 718, Haynes®282®Alloy and CoWAlloy1&2 in supercritical ammonia/ammonium chloride solution", Journal of Crystal Growth, vol. 498, pp. 289 - 300, 2018.
Myers, D. J., K. Gelžinytė, W. Ying Ho, J. Iveland, L. Martinelli, J. Peretti, C. Weisbuch, and J. S. Speck, "Identification of low-energy peaks in electron emission spectroscopy of InGaN/GaN light-emitting diodes", Journal of Applied Physics, vol. 124, pp. 055703, 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.
Vogt, P., A. Mauze, F. Wu, B. Bonef, and J. S. Speck, "Metal-oxide catalyzed epitaxy (MOCATAXY): the example of the O plasma-assisted molecular beam epitaxy of β-(Al x Ga 1− x ) 2 O 3 /β-Ga 2 O 3 heterostructures", Applied Physics Express, vol. 11, pp. 115503, 2018.
Speck, JS., and JB. Vander Sande, "Microstructural investigation of a melt spun nickel-base superalloy with boron additions.[Ni-11% Cr-5% Al-4% Ti with B additions of 0. 06, 0. 12, and 0. 6%]", TMS (The Metallurgical Society) Paper Selection;(USA), vol. 56, no. CONF-840909–, 2018.
Jiang, R., X. Shen, J. Fang, P. Wang, E. X. Zhang, J. Chen, D. M. Fleetwood, R. D. Schrimpf, S. W. Kaun, E. C. H. Kyle, et al., "Multiple Defects Cause Degradation After High Field Stress in AlGaN/GaN HEMTs", IEEE Transactions on Device and Materials Reliability, vol. 18, pp. 364-376, Sept, 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.
Mounir, C., I. L. Koslow, T. Wernicke, M. Kneissl, L. Y. Kuritzky, N. L. Adamski, S. Ho Oh, C. D. Pynn, S. P. DenBaars, S. Nakamura, et al., "On the optical polarization properties of semipolar ( 20 2 ¯ 1 ) and ( 20 2 ¯ 1 ¯) InGaN/GaN quantum wells", Journal of Applied Physics, vol. 123, no. 8: AIP Publishing, pp. 085705, 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.
Kuritzky, L. Y., C. Weisbuch, and J. S. Speck, "Prospects for 100% wall-plug efficient III-nitride LEDs", Opt. Express, vol. 26, pp. 16600–16608, Jun, 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.
Borgatti, F., JA. Berger, D. Céolin, J. Sky Zhou, J. J. Kas, M. Guzzo, CF. McConville, F. Offi, G. Panaccione, A. Regoutz, et al., "Revisiting the origin of satellites in core-level photoemission of transparent conducting oxides: The case of n-doped SnO 2", Physical Review B, vol. 97, no. 15: American Physical Society, pp. 155102, 2018.

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