Publications

Found 1586 results
Author Title Type [ Year(Desc)]
2017
Alema, F., B. Hertog, A. V. Osinsky, P. Mukhopadhyay, M. Toporkov, W. V. Schoenfeld, E. Ahmadi, and J. Speck, "Vertical solar blind Schottky photodiode based on homoepitaxial Ga 2 O 3 thin film", Oxide-based Materials and Devices VIII, vol. 10105: International Society for Optics and Photonics, pp. 101051M, 2017.
Fireman, MN., H. Li, S. Keller, U. K. Mishra, and J. S. Speck, "Vertical transport in isotype InAlN/GaN dipole induced diodes grown by molecular beam epitaxy", Journal of Applied Physics, vol. 121, no. 20: AIP Publishing, pp. 205702, 2017.
Browne, D. A., M. N. Fireman, B. Mazumder, L. Y. Kuritzky, Y-R. Wu, and J. S. Speck, "Vertical transport through AlGaN barriers in heterostructures grown by ammonia molecular beam epitaxy and metalorganic chemical vapor deposition", Semiconductor Science and Technology, vol. 32, no. 2: IOP Publishing, pp. 025010, 2017.
Kelchner, K. M., J. S. Speck, N. A. Pfaff, and S. P. DenBaars, White light source employing a III-nitride based laser diode pumping a phosphor, 2017.
Jiang, R., E. Xia Zhang, M. W. McCurdy, J. Chen, X. Shen, P. Wang, D. M. Fleetwood, R. D. Schrimpf, S. W. Kaun, E. C. H. Kyle, et al., "Worst-case bias for proton and 10-keV X-ray irradiation of AlGaN/GaN HEMTs", IEEE Transactions on Nuclear Science, vol. 64, no. 1: IEEE, pp. 218–225, 2017.
2018
Seres, J., E. Seres, C. Serrat, E. C. Young, J. S. Speck, and T. Schumm, All-solid-state VUV frequency comb at 160 nm using multi-harmonic generation in a non-linear femtosecond enhancement cavity, dec, 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., 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.

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