Publications

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2012
Metcalfe, G. D., C. S. Gallinat, H. Shen, M. Wraback, S. Wienecke, E. C. Young, and J. S. Speck, "Effects of strain relaxation on the photoluminescence of semipolar InGaN", Lasers and Electro-Optics (CLEO), 2012 Conference on: IEEE, pp. 1–2, 2012.
Metcalfe, G. D., C. S. Gallinat, H. Shen, M. Wraback, S. Wienecke, E. C. Young, and J. S. Speck, "Effects of strain relaxation on the photoluminescence of semipolar InGaN", Lasers and Electro-Optics (CLEO), 2012 Conference on: IEEE, pp. 1–2, 2012.
Bierwagen, O., T. Nagata, M. E. White, M-Y. Tsai, and J. S. Speck, "Electron transport in semiconducting SnO 2: Intentional bulk donors and acceptors, the interface, and the surface", Journal of Materials Research, vol. 27, no. 17: Cambridge University Press, pp. 2232–2236, 2012.
Bierwagen, I., T. Nagata, M. E. White, M-Y. Tsai, and J. S. Speck, "Electron transport in semiconducting SnO2: Intentional bulk donors and acceptors, the interface, and the surface–CORRIGENDUM", Journal of Materials Research, vol. 27, no. 19: Cambridge University Press, pp. 2578–2578, 2012.
Singisetti, U., M. Hoi Wong, J. S. Speck, and U. K. Mishra, "Enhancement-Mode N-Polar GaN MOS-HFET With 5-nm GaN Channel, 510-mS/mm $ g_ ${$m$}$ $, and 0.66-$$\backslash$Omega$\backslash$cdot$\backslash$hbox ${$mm$}$ $ $ R_ ${$$\backslash$rm on$}$ $", IEEE Electron Device Letters, vol. 33, no. 1: IEEE, pp. 26–28, 2012.
Mazumder, B., MH. Wong, CA. Hurni, JY. Zhang, UK. Mishra, and JS. Speck, "Erratum:ìAsymmetric interfacial abruptness in N-polar and Ga-polar GaN/AlN/GaN heterostructuresî[Appl. Phys. Lett. 101, 091601 (2012)]", Applied Physics Letters, vol. 101, no. 22: AIP, pp. 229902, 2012.
Dasgupta, S., F. Wu, J. S. Speck, U. K. Mishra, and others, "Growth and Characterization of N-Polar GaN Films on Si (111) by Plasma Assisted Molecular Beam Epitaxy", Japanese Journal of Applied Physics, vol. 51, no. 11R: IOP Publishing, pp. 115503, 2012.
Corrion, AL., F. Wu, and JS. Speck, "Growth regimes during homoepitaxial growth of GaN by ammonia molecular beam epitaxy", Journal of Applied Physics, vol. 112, no. 5: AIP, pp. 054903, 2012.
Das, NC., ML. Reed, AV. Sampath, H. Shen, M. Wraback, RM. Farrell, M. Iza, SC. Cruz, , NG. Young, et al., "Heterogeneous integration of InGaN and Silicon solar cells for enhanced energy harvesting", Photovoltaic Specialists Conference (PVSC), 2012 38th IEEE: IEEE, pp. 003076–003079, 2012.
Matioli, E., S. Brinkley, K. M. Kelchner, Y-L. Hu, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, "High-brightness polarized light-emitting diodes", Light: Science & Applications, vol. 1, no. 8: Nature Publishing Group, pp. e22, 2012.
Pan, C-C., S. Tanaka, F. Wu, Y. Zhao, J. S. Speck, S. Nakamura, S. P. DenBaars, and D. Feezell, "High-power, low-efficiency-droop semipolar (2021) single-quantum-well blue light-emitting diodes", Applied Physics Express, vol. 5, no. 6: IOP Publishing, pp. 062103, 2012.
Farahani, SK. Vasheghani, TD. Veal, AM. Sanchez, O. Bierwagen, ME. White, S. Gorfman, PA. Thomas, JS. Speck, and CF. McConville, "Influence of charged-dislocation density variations on carrier mobility in heteroepitaxial semiconductors: The case of SnO 2 on sapphire", Physical Review B, vol. 86, no. 24: American Physical Society, pp. 245315, 2012.
Wu, Y-R., C-P. Wang, K-C. Wang, and J. S. Speck, "Influences of Indium Fluctuation to carrier transport and the Current-voltage Turn-on Behavior in the InGaN Quantum Well LEDs", CLEO: Applications and Technology: Optical Society of America, pp. JTh2A–72, 2012.
Wu, Y-R., C-P. Wang, K-C. Wang, and J. S. Speck, "Influences of Indium Fluctuation to carrier transport and the Current-voltage Turn-on Behavior in the InGaN Quantum Well LEDs", CLEO: Applications and Technology: Optical Society of America, pp. JTh2A–72, 2012.
Wu, Y-R., C-P. Wang, K-C. Wang, and J. S. Speck, "Influences of Indium Fluctuation to carrier transport and the Current-voltage Turn-on Behavior in the InGaN Quantum Well LEDs", CLEO: Applications and Technology: Optical Society of America, pp. JTh2A–72, 2012.
Speck, J. S., C. C. A. Weisbuch, and E. de Nazaret Matioli, Light emitting devices with embedded void-gap structures through bonding of structured materials on active devices, jan # " 26", 2012.
Farrell, RM., EC. Young, F. Wu, SP. DenBaars, and JS. Speck, "Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices", Semiconductor Science and Technology, vol. 27, no. 2: IOP Publishing, pp. 024001, 2012.
Wong, M. Hoi, F. Wu, C. A. Hurni, S. Choi, J. S. Speck, and U. K. Mishra, "Molecular beam epitaxy of InAlN lattice-matched to GaN with homogeneous composition using ammonia as nitrogen source", Applied Physics Letters, vol. 100, no. 7: AIP, pp. 072107, 2012.
Wong, M. Hoi, F. Wu, C. A. Hurni, S. Choi, J. S. Speck, and U. K. Mishra, "Molecular beam epitaxy of InAlN lattice-matched to GaN with homogeneous composition using ammonia as nitrogen source", Applied Physics Letters, vol. 100, no. 7: AIP, pp. 072107, 2012.
Choi, S., F. Wu, R. Shivaraman, E. C. Young, and J. S. Speck, "Observation of columnar microstructure in lattice-matched InAlN/GaN grown by plasma assisted molecular beam epitaxy", Applied Physics Letters, vol. 100, no. 23: AIP, pp. 232102, 2012.
Hodges, C., N. Killat, SW. Kaun, MH. Wong, F. Gao, T. Palacios, UK. Mishra, JS. Speck, D. Wolverson, and M. Kuball, "Optical investigation of degradation mechanisms in AlGaN/GaN high electron mobility transistors: Generation of non-radiative recombination centers", Applied Physics Letters, vol. 100, no. 11: AIP, pp. 112106, 2012.
Hodges, C., N. Killat, SW. Kaun, MH. Wong, F. Gao, T. Palacios, UK. Mishra, JS. Speck, D. Wolverson, and M. Kuball, "Optical investigation of degradation mechanisms in AlGaN/GaN high electron mobility transistors: Generation of non-radiative recombination centers", Applied Physics Letters, vol. 100, no. 11: AIP, pp. 112106, 2012.
Matioli, E. de Nazaret, C. C. A. Weisbuch, J. S. Speck, and E. L. Hu, Optoelectronic devices with embedded void structures, 2012.
Koslow, I. L., M. T. Hardy, P. Shan Hsu, P-Y. Dang, F. Wu, A. Romanov, Y-R. Wu, E. C. Young, S. Nakamura, J. S. Speck, et al., "Performance and polarization effects in (11 2\= 2) long wavelength light emitting diodes grown on stress relaxed InGaN buffer layers", Applied Physics Letters, vol. 101, no. 12: AIP, pp. 121106, 2012.
Koslow, I. L., M. T. Hardy, P. Shan Hsu, P-Y. Dang, F. Wu, A. Romanov, Y-R. Wu, E. C. Young, S. Nakamura, J. S. Speck, et al., "Performance and polarization effects in (11 2\= 2) long wavelength light emitting diodes grown on stress relaxed InGaN buffer layers", Applied Physics Letters, vol. 101, no. 12: AIP, pp. 121106, 2012.

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