Publications

Found 632 results
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2008
Chu, R., C. Poblenz, M. Hoi Wong, S. Dasgupta, S. Rajan, Y. Pei, F. Recht, L. Shen, J. S. Speck, and U. K. Mishra, "Semiconductor, superconductor, spintronic, dielectric, and organic materials-Improved Performance of Plasma-Assisted Molecular Beam Epitaxy Grown AlGaN/GaN High Electron Mobility Transistors with Gate-Recess and CF4-Treatment", Applied Physics Express, vol. 1, no. 6, pp. 61101, 2008.
Hashimoto, T., F. Wu, M. Saito, K. Fujito, J. S. Speck, and S. Nakamura, "Status and perspectives of the ammonothermal growth of GaN substrates", Journal of Crystal Growth, vol. 310, no. 5: Elsevier, pp. 876–880, 2008.
Corrion, AL., C. Poblenz, F. Wu, and JS. Speck, "Structural and morphological properties of GaN buffer layers grown by ammonia molecular beam epitaxy on SiC substrates for AlGaN/GaN high electron mobility transistors", Journal of Applied Physics, vol. 103, no. 9: AIP, pp. 093529, 2008.
Nidhi, S. Rajan, S. Keller, F. Wu, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "Study of interface barrier of SiN x/GaN interface for nitrogen-polar GaN based high electron mobility transistors", Journal of Applied Physics, vol. 103, no. 12: AIP, pp. 124508, 2008.
Choi, Y-S., M. Iza, E. Matioli, G. Koblmüller, J. S. Speck, C. Weisbuch, and E. L. Hu, "Submicron-thick microcavity InGaN light emitting diodes", Light-Emitting Diodes: Research, Manufacturing, and Applications XII, vol. 6910: International Society for Optics and Photonics, pp. 69100R, 2008.
Choi, Y., M. Iza, E. Matioli, G. Koblmüller, JS. Speck, C. Weisbuch, and EL. Hu, "Submicron-thick microcavity InGaN light emitting diodes [6910-27]", PROCEEDINGS-SPIE THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, vol. 6910: International Society for Optical Engineering; 1999, pp. 6910, 2008.
Metcalfe, G. D., E. D. Readinger, H. Shen, M. Wraback, A. Hirai, E. Young, and J. S. Speck, "Terahertz emission from nonpolar gallium nitride", Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on: IEEE, pp. 1–2, 2008.
Garrett, G. A., H. Shen, M. Wraback, A. Tyagi, M. C. Schmidt, Z. Jia, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Time-resolved optical studies of InGaN LED structures grown on semipolar and nonpolar bulk GaN substrates", Conference on Lasers and Electro-Optics: Optical Society of America, pp. CMAA1, 2008.
2007
Choi, Y-S., M. Iza, E. Matioli, G. Koblmüller, J. S. Speck, C. Weisbuch, and E. L. Hu, "2.5 λ microcavity InGaN light-emitting diodes fabricated by a selective dry-etch thinning process", Applied Physics Letters, vol. 91, no. 6: AIP, pp. 061120, 2007.
Newman, S. A., D. S. Kamber, Y. Wu, E. Letts, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Cantilever Epitaxy of AlN using Hydride Vapor Phase Epitaxy", APS Meeting Abstracts, 2007.
Chu, R., CS. Suh, MH. Wong, N. Fichtenbaum, D. Brown, L. McCarthy, S. Keller, F. Wu, JS. Speck, and UK. Mishra, "Compound Semiconductor Devices-Impact of CF4 Plasma Treatment on GaN", IEEE Electron Device Letters, vol. 28, no. 9, pp. 781, 2007.
Chu, R., CS. Suh, MH. Wong, N. Fichtenbaum, D. Brown, L. McCarthy, S. Keller, F. Wu, JS. Speck, and UK. Mishra, "Compound Semiconductor Devices-Impact of CF4 Plasma Treatment on GaN", IEEE Electron Device Letters, vol. 28, no. 9, pp. 781, 2007.
Hirai, A., BA. Haskell, MB. McLaurin, F. Wu, MC. Schmidt, KC. Kim, TJ. Baker, SP. DenBaars, S. Nakamura, and JS. Speck, "Defect-mediated surface morphology of nonpolar m-plane GaN", Applied physics letters, vol. 90, no. 12: AIP, pp. 121119, 2007.
Getty, A. R. K., A. David, Y. Wu, C. Weisbuch, and J. S. Speck, "Demonstration of distributed Bragg Reflectors for deep ultraviolet applications", Japanese Journal of Applied Physics, vol. 46, no. 8L: IOP Publishing, pp. L767, 2007.
Getty, A. R. K., A. David, Y. Wu, C. Weisbuch, and J. S. Speck, "Demonstration of distributed Bragg Reflectors for deep ultraviolet applications", Japanese Journal of Applied Physics, vol. 46, no. 8L: IOP Publishing, pp. L767, 2007.
Chakraborty, A., C. G. Moe, Y. Wu, T. Mates, S. Keller, J. S. Speck, S. P. DenBaars, and U. K. Mishra, "Electrical and structural characterization of Mg-doped p-type Al 0.69 Ga 0.31 N films on SiC substrate", Journal of Applied Physics, vol. 101, no. 5: AIP, pp. 053717, 2007.
Chern, G. D., H. Shen, M. Wraback, G. Koblmüller, C. S. Gallinat, and J. S. Speck, "Excitation Wavelength Dependence of Terahertz Emission from Indium Nitride Multiple Quantum Wells", Lasers and Electro-Optics, 2007. CLEO 2007. Conference on: IEEE, pp. 1–2, 2007.
Chern, G. D., E. D. Readinger, H. Shen, M. Wraback, C. S. Gallinat, G. Koblmüller, and J. S. Speck, "Excitation Wavelength Dependence Of Terahertz Emission From Indium Nitride Thin Films", AIP Conference Proceedings, vol. 893, no. 1: AIP, pp. 513–514, 2007.
Hashimoto, T., F. Wu, J. S. Speck, and S. Nakamura, "A GaN bulk crystal with improved structural quality grown by the ammonothermal method", Nature materials, vol. 6, no. 8: Nature Publishing Group, pp. 568, 2007.
Imer, B., F. Wu, J. S. Speck, and S. P. DenBaars, "Growth evolution in sidewall lateral epitaxial overgrowth (SLEO)", Journal of Crystal Growth, vol. 306, no. 2: Elsevier, pp. 330–338, 2007.
Hashimoto, T., F. Wu, J. S. Speck, and S. Nakamura, "Growth of bulk GaN crystals by the basic ammonothermal method", Japanese Journal of Applied Physics, vol. 46, no. 10L: IOP Publishing, pp. L889, 2007.
Hashimoto, T., F. Wu, J. S. Speck, and S. Nakamura, "Growth of bulk GaN with low dislocation density by the ammonothermal method using polycrystalline GaN nutrient", Japanese journal of applied physics, vol. 46, no. 6L: IOP Publishing, pp. L525, 2007.
Koblmüller, G., F. Wu, T. Mates, JS. Speck, S. Fernández-Garrido, and E. Calleja, "High electron mobility GaN grown under N-rich conditions by plasma-assisted molecular beam epitaxy", Applied Physics Letters, vol. 91, no. 22: AIP, pp. 221905, 2007.
Zhong, H., A. Tyagi, N. N. Fellows, F. Wu, R. B. Chung, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High power and high efficiency blue light emitting diode on freestanding semipolar (10 1 1) bulk GaN substrate", Applied physics letters, vol. 90, no. 23: AIP, pp. 233504, 2007.
Chu, R., C. Soo Suh, M. Hoi Wong, N. Fichtenbaum, D. Brown, L. McCarthy, S. Keller, F. Wu, J. S. Speck, and U. K. Mishra, "Impact of $$\backslash$hbox ${$CF$}$ _ ${$4$}$ $ Plasma Treatment on GaN", IEEE Electron Device Letters, vol. 28, no. 9: IEEE, pp. 781–783, 2007.

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