Publications

Found 333 results
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2015
Yeluri, R., J. Lu, C. A. Hurni, D. A. Browne, S. Chowdhury, S. Keller, J. S. Speck, and U. K. Mishra, "Design, fabrication, and performance analysis of GaN vertical electron transistors with a buried p/n junction", Applied Physics Letters, vol. 106, no. 18: AIP Publishing, pp. 183502, 2015.
Browne, D. A., B. Mazumder, Y-R. Wu, and J. S. Speck, "Electron transport in unipolar InGaN/GaN multiple quantum well structures grown by NH3 molecular beam epitaxy", Journal of Applied Physics, vol. 117, no. 18: AIP Publishing, pp. 185703, 2015.
Papadogianni, A., M. E. White, J. S. Speck, Z. Galazka, and O. Bierwagen, "Hall and Seebeck measurements estimate the thickness of a (buried) carrier system: Identifying interface electrons in In-doped SnO2 films", Applied Physics Letters, vol. 107, no. 25: AIP Publishing, pp. 252105, 2015.
Gelžinyt\.e, K., R. Ivanov, S. Marcinkevičius, Y. Zhao, DL. Becerra, S. Nakamura, SP. DenBaars, and JS. Speck, "High spatial uniformity of photoluminescence spectra in semipolar (20 2 1) plane InGaN/GaN quantum wells", Journal of Applied Physics, vol. 117, no. 2: AIP Publishing, pp. 023111, 2015.
Ivanov, R., S. Marcinkevičius, Y. Zhao, DL. Becerra, S. Nakamura, SP. DenBaars, and JS. Speck, "Impact of carrier localization on radiative recombination times in semipolar (20 2\= 1) plane InGaN/GaN quantum wells", Applied Physics Letters, vol. 107, no. 21: AIP Publishing, pp. 211109, 2015.
Wu, Y-R., C-K. Wu, C-K. Li, D. A. Browne, and J. S. Speck, "Study of percolation transport in the InGaN/AlGaN LEDs with random alloy fluctuation", Conference on Lasers and Electro-Optics/Pacific Rim: Optical Society of America, pp. 25H2_2, 2015.
2014
Feneberg, M., C. Lidig, K. Lange, M. E. White, M. Y. Tsai, J. S. Speck, O. Bierwagen, and R. Goldhahn, "Anisotropy of the electron effective mass in rutile SnO2 determined by infrared ellipsometry", physica status solidi (a), vol. 211, no. 1: Wiley Online Library, pp. 82–86, 2014.
Korhonen, E., F. Tuomisto, O. Bierwagen, JS. Speck, and Z. Galazka, "Compensating vacancy defects in Sn-and Mg-doped In 2 O 3", Physical Review B, vol. 90, no. 24: American Physical Society, pp. 245307, 2014.
Mogilatenko, A., H. Kirmse, O. Bierwagen, M. Schmidbauer, M-Y. Tsai, I. Häusler, M. E. White, and J. S. Speck, "Effect of heavy Ga doping on defect structure of SnO2 layers", physica status solidi (a), vol. 211, no. 1: Wiley Online Library, pp. 87–92, 2014.
Kaun, S. W., E. Ahmadi, B. Mazumder, F. Wu, E. C. H. Kyle, P. G. Burke, U. K. Mishra, and J. S. Speck, "GaN-based high-electron-mobility transistor structures with homogeneous lattice-matched InAlN barriers grown by plasma-assisted molecular beam epitaxy", Semiconductor Science and Technology, vol. 29, no. 4: IOP Publishing, pp. 045011, 2014.
Kyle, E. C. H., S. W. Kaun, P. G. Burke, F. Wu, Y-R. Wu, and J. S. Speck, "High-electron-mobility GaN grown on free-standing GaN templates by ammonia-based molecular beam epitaxy", Journal of applied physics, vol. 115, no. 19: AIP, pp. 193702, 2014.
Young, NG., EE. Perl, RM. Farrell, M. Iza, S. Keller, JE. Bowers, S. Nakamura, SP. DenBaars, and JS. Speck, "High-performance broadband optical coatings on InGaN/GaN solar cells for multijunction device integration", Applied Physics Letters, vol. 104, no. 16: AIP, pp. 163902, 2014.
Watanabe, K., T. Ohsawa, I. Sakaguchi, O. Bierwagen, M. E. White, M-Y. Tsai, R. Takahashi, E. M. Ross, Y. Adachi, J. S. Speck, et al., "Investigation of charge compensation in indium-doped tin dioxide by hydrogen insertion via annealing under humid conditions", Applied Physics Letters, vol. 104, no. 13: AIP, pp. 132110, 2014.
Yeluri, R., J. Lu, D. Browne, C. A. Hurni, S. Chowdhury, S. Keller, J. S. Speck, and U. K. Mishra, "Low ON-resistance and high current GaN vertical electron transistors with buried p-GaN layers", Device Research Conference (DRC), 2014 72nd Annual: IEEE, pp. 253–254, 2014.
Kaeding, J. F., D-S. Lee, M. Iza, T. J. Baker, H. Sato, B. A. Haskell, J. S. Speck, S. P. DenBaars, S. Nakamura, and others, Miscut semipolar optoelectronic device, jul # " 3", 2014.
Feneberg, M., C. Lidig, K. Lange, R. Goldhahn, M. D. Neumann, N. Esser, O. Bierwagen, M. E. White, M. Y. Tsai, and J. S. Speck, "Ordinary and extraordinary dielectric functions of rutile SnO2 up to 20 eV", Applied Physics Letters, vol. 104, no. 23: AIP, pp. 231106, 2014.
Bierwagen, O., and J. S. Speck, "Plasma-assisted molecular beam epitaxy of Sn-doped In2O3: Sn incorporation, structural changes, doping limits, and compensation", physica status solidi (a), vol. 211, no. 1: Wiley Online Library, pp. 48–53, 2014.
Keller, S., H. Li, M. Laurent, Y. Hu, N. Pfaff, J. Lu, D. F. Brown, N. A. Fichtenbaum, J. S. Speck, S. P. DenBaars, et al., "Recent progress in metal-organic chemical vapor deposition of N-polar group-III nitrides", Semiconductor Science and Technology, vol. 29, no. 11: IOP Publishing, pp. 113001, 2014.
von Wenckstern, H., D. Splith, F. Schmidt, M. Grundmann, O. Bierwagen, JS. Speck, and others, "Schottky contacts to In ${$sub 2$}$ O ${$sub 3$}$", APL Materials, vol. 2, no. 4, 2014.
von Wenckstern, H., D. Splith, F. Schmidt, M. Grundmann, O. Bierwagen, and J. S. Speck, "Schottky contacts to In2O3", APL Materials, vol. 2, no. 4: AIP, pp. 046104, 2014.
Perl, E. E., W. E. McMahon, R. M. Farrell, S. P. DenBaars, J. S. Speck, and J. E. Bowers, "Surface structured optical coatings with near-perfect broadband and wide-angle antireflective properties", Nano letters, vol. 14, no. 10: ACS Publications, pp. 5960–5964, 2014.
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, 2014.
Korhonen, E., F. Tuomisto, O. Bierwagen, JS. Speck, ME. White, and Z. Galazka, "Vacancy complexes in Sb-doped SnO 2", AIP Conference Proceedings, vol. 1583, no. 1: AIP, pp. 368–371, 2014.
Farahani, SK. Vasheghani, TD. Veal, JJ. Mudd, DO. Scanlon, GW. Watson, O. Bierwagen, ME. White, JS. Speck, and CF. McConville, "Valence-band density of states and surface electron accumulation in epitaxial SnO 2 films", Physical Review B, vol. 90, no. 15: American Physical Society, pp. 155413, 2014.
2013
Bryant, B. N., E. C. Young, F. Wu, K. Fujito, S. Nakamura, and J. S. Speck, "Basal Plane Stacking Fault Suppression by Nitrogen Carrier Gas in m-plane GaN Regrowth by Hydride Vapor Phase Epitaxy", Applied Physics Express, vol. 6, no. 11: IOP Publishing, pp. 115502, 2013.

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