Publications

Found 673 results
Author Title Type [ Year(Desc)]
Filters: Author is Speck, James S  [Clear All Filters]
2009
D'evelyn, M. P., J. S. Speck, M. T. Coulter, and S. Nakamura, Heater device and method for high pressure processing of crystalline materials, 2009.
Wong, M. Hoi, Y. Pei, D. F. Brown, S. Keller, J. S. Speck, and U. K. Mishra, "High performance MBE-grown N-face microwave GaN HEMTs with> 70% PAE", Device Research Conference, 2009. DRC 2009: IEEE, pp. 157–158, 2009.
Wong, M. Hoi, Y. Pei, J. S. Speck, and U. K. Mishra, "High power N-face GaN high electron mobility transistors grown by molecular beam epitaxy with optimization of AlN nucleation", Applied Physics Letters, vol. 94, no. 18: AIP, pp. 182103, 2009.
Wong, M. Hoi, Y. Pei, D. F. Brown, S. Keller, J. S. Speck, and U. K. Mishra, "High-performance N-face GaN microwave MIS-HEMTs with> 70% power-added efficiency", IEEE Electron Device Letters, vol. 30, no. 8: IEEE, pp. 802–804, 2009.
Ive, T., T. Ben-Yaacov, C. G. Van de Walle, U. K. Mishra, S. P. DenBaars, and J. S. Speck, "Homoepitaxial growth and characterization of ZnO (0001) thin films grown by metalorganic chemical vapor epitaxy", physica status solidi (c), vol. 6, no. 6: Wiley Online Library, pp. 1460–1463, 2009.
Newman, S. A., D. S. Kamber, T. J. Baker, Y. Wu, F. Wu, Z. Chen, S. Namakura, J. S. Speck, and S. P. DenBaars, "Lateral epitaxial overgrowth of (0001) AlN on patterned sapphire using hydride vapor phase epitaxy", Applied Physics Letters, vol. 94, no. 12: AIP, pp. 121906, 2009.
Sato, H., R. B. Chung, F. Wu, J. S. Speck, S. P. DenBaars, and S. Nakamura, MOCVD GROWTH TECHNIQUE FOR PLANAR SEMIPOLAR (Al, In, Ga, B) N BASED LIGHT EMITTING DIODES, 2009.
Hardy, M. T., K. M. Kelchner, Y-. Da Lin, P. Shan Hsu, K. Fujito, H. Ohta, J. S. Speck, S. Nakamura, and S. P. DenBaars, "m-Plane GaN-based blue superluminescent diodes fabricated using selective chemical wet etching", Applied Physics Express, vol. 2, no. 12: IOP Publishing, pp. 121004, 2009.
Da Lin, Y-., C-Y. Huang, M. T. Hardy, P. Shan Hsu, K. Fujito, A. Chakraborty, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "m-plane pure blue laser diodes with p-GaN", Applied physics letters, vol. 95, no. 8: American Institute of Physics, 2009.
Da Lin, Y-., C-Y. Huang, M. T. Hardy, P. Shan Hsu, K. Fujito, A. Chakraborty, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "m-plane pure blue laser diodes with p-GaN/n-AlGaN-based asymmetric cladding and InGaN-based wave-guiding layers", Applied Physics Letters, vol. 95, no. 8: AIP, pp. 081110, 2009.
Bierwagen, O., M. E. White, M-Y. Tsai, T. Nagata, and J. S. Speck, "Non-alloyed Schottky and ohmic contacts to as-grown and oxygen-plasma treated n-type SnO2 (110) and (101) thin films", Applied Physics Express, vol. 2, no. 10: IOP Publishing, pp. 106502, 2009.
Dasgupta, S., D. F. Brown, S. Keller, J. S. Speck, U. K. Mishra, and others, "N-polar GaN-based highly scaled self-aligned MIS-HEMTs with state-of-the-art f T. L G product of 16.8 GHz-μm", Electron Devices Meeting (IEDM), 2009 IEEE International: IEEE, pp. 1–3, 2009.
Xu, G., Y. J. Ding, I. B. Zotova, C. E. Stutz, D. E. Diggs, N. Fernelius, F. K. Hopkins, C. S. Gallinat, G. Koblmüller, and J. S. Speck, "Observation of clamping of photoluminescence intensities from nonlinear degenerate electron gas in InN", International Quantum Electronics Conference: Optical Society of America, pp. IMH6, 2009.
Tyagi, A., F. Wu, E. C. Young, A. Chakraborty, H. Ohta, R. Bhat, K. Fujito, S. P. DenBaars, S. Nakamura, and J. S. Speck, "Partial strain relaxation via misfit dislocation generation at heterointerfaces in (Al, In) GaN epitaxial layers grown on semipolar (11 2\= 2) GaN free standing substrates", Applied Physics Letters, vol. 95, no. 25: AIP, pp. 251905, 2009.
Iso, K., H. Yamada, M. Saito, A. Hirai, S. P. DenBaars, J. S. Speck, and S. Nakamura, Planar nonpolar m-plane group iii-nitride films grown on miscut substrates, 2009.
Bierwagen, O., M. E. White, M-Y. Tsai, and J. S. Speck, "Plasma-assisted molecular beam epitaxy of high quality In 2 O 3 (001) thin films on Y-Stabilized ZrO 2 (001) using in as an auto surfactant", Applied Physics Letters, vol. 95, no. 26: AIP, pp. 262105, 2009.
Speck, J. S., Progress in the MBE Growth of InN, 2009.
Pimputkar, S., J. S. Speck, S. P. DenBaars, and S. Nakamura, "Prospects for LED lighting", Nature photonics, vol. 3, no. 4: Nature Publishing Group, pp. 180, 2009.
Masui, H., M. Schmidt, N. Fellows, H. Yamada, K. Iso, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Recent progress in nonpolar LEDs as polarized light emitters", physica status solidi (a), vol. 206, no. 2: Wiley Online Library, pp. 203–205, 2009.
Gallinat, C. S., G. Koblmüller, and J. S. Speck, "The role of threading dislocations and unintentionally incorporated impurities on the bulk electron conductivity of In-face InN", Applied Physics Letters, vol. 95, no. 2: AIP, pp. 022103, 2009.
Fujiwara, T., S. Keller, M. Higashiwaki, J. S. Speck, S. P. DenBaars, and U. K. Mishra, "Si Delta-Doped m-Plane AlGaN/GaN Heterojunction Field-Effect Transistors", Applied physics express, vol. 2, no. 6: IOP Publishing, pp. 061003, 2009.
Tamboli, A. C., M. C. Schmidt, S. Rajan, J. S. Speck, U. K. Mishra, S. P. DenBaars, and E. L. Hu, "Smooth top-down photoelectrochemical etching of m-plane GaN", Journal of The Electrochemical Society, vol. 156, no. 1: The Electrochemical Society, pp. H47–H51, 2009.
Masui, H., D. S. Kamber, S. E. Brinkley, F. Wu, T. J. Baker, H. Zhong, M. Iza, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Spontaneous formation of ${$1 1Ø 0 1$}$ InGaN quantum wells on a (1 1 2Ø 2) GaN template and their electroluminescence characteristics", Semiconductor Science and Technology, vol. 25, no. 1: IOP Publishing, pp. 015003, 2009.
Nagata, T., G. Koblmüller, O. Bierwagen, C. S. Gallinat, and J. S. Speck, "Surface structure and chemical states of a-plane and c-plane InN films", Applied Physics Letters, vol. 95, no. 13: AIP, pp. 132104, 2009.
Metcalfe, G. D., H. Shen, M. Wraback, G. Koblmüller, C. S. Gallinat, and J. S. Speck, "Terahertz emission from nonpolar indium nitride", Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on: IEEE, pp. 1–2, 2009.

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