Publications

Found 673 results
Author Title Type [ Year(Asc)]
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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.
Reurings, F., F. Tuomisto, C. S. Gallinat, G. Koblmüller, and J. S. Speck, "Vacancy defects probed with positron annihilation spectroscopy in In-polar InN grown by plasma-assisted molecular beam epitaxy: Effects of growth conditions", physica status solidi (c), vol. 6, no. S2: WILEY-VCH Verlag, 2009.
2008
Raman, A., S. Dasgupta, S. Rajan, J. S. Speck, and U. K. Mishra, "AlGaN channel high electron mobility transistors: Device performance and power-switching figure of merit", Japanese Journal of Applied Physics, vol. 47, no. 5R: IOP Publishing, pp. 3359, 2008.
Hashimoto, T., F. Wu, J. S. Speck, and S. Nakamura, "Ammonothermal growth of bulk GaN", Journal of Crystal Growth, vol. 310, no. 17: Elsevier, pp. 3907–3910, 2008.
McLaurin, M. B., A. Hirai, E. Young, F. Wu, and J. S. Speck, "Basal plane stacking-fault related anisotropy in X-ray rocking curve widths of m-plane GaN", Japanese Journal of Applied Physics, vol. 47, no. 7R: IOP Publishing, pp. 5429, 2008.
Sato, H., H. Hirasawa, H. Asamizu, N. Fellows, A. Tyagi, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "The Blue Laser Diode'The Blue Laser Diode', 1997", Journal of light and visual environment, vol. 32, no. 2, pp. 107–110, 2008.
Bierwagen, O., T. Ive, C. G. Van de Walle, and J. S. Speck, "Causes of incorrect carrier-type identification in van der Pauw–Hall measurements", Applied Physics Letters, vol. 93, no. 24: AIP, pp. 242108, 2008.
Yamada, H., K. Iso, M. Saito, H. Hirasawa, N. Fellows, H. Masui, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Comparison of InGaN/GaN light emitting diodes grown on m-plane and a-plane bulk GaN substrates", physica status solidi (RRL)-Rapid Research Letters, vol. 2, no. 2: Wiley Online Library, pp. 89–91, 2008.
Kim, K. Choong, M. C. Schmidt, F. Wu, A. Hirai, M. B. McLaurin, S. P. DenBaars, S. Nakamura, and J. S. Speck, CRYSTAL GROWTH OF M-PLANE AND SEMIPOLAR PLANES OF (Al, In, Ga, B) N ON VARIOUS SUBSTRATES, 2008.
Imer, B. M., J. S. Speck, and S. P. DenBaars, Defect reduction of non-polar and semi-polar III-Nitrides with sidewall lateral epitaxial overgrowth (SLEO), 2008.
Asamizu, H., M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Demonstration of 426 nm InGaN/GaN laser diodes fabricated on free-standing semipolar (1122) gallium nitride substrates", Applied physics express, vol. 1, no. 9: IOP Publishing, pp. 091102, 2008.
Speck, J. S., Development of Advanced Ill-Nitride Materials: DTIC Document, 2008.
Speck, J. S., Development of III-Nitride Materials for IR Applications: DTIC Document, 2008.
Koblmüller, G., R. Chu, F. Wu, U. K. Mishra, and J. S. Speck, "Dislocation reduction in AlGaN/GaN heterostructures on 4H-SiC by molecular beam epitaxy in the thermal decomposition regime", Applied physics express, vol. 1, no. 6: IOP Publishing, pp. 061103, 2008.
Fehlberg, T. B., C. S. Gallinat, G. A. Umana-Membreno, G. Koblmüller, B. D. Nener, J. S. Speck, and G. Parish, "Effect of MBE growth conditions on multiple electron transport in InN", Journal of Electronic Materials, vol. 37, no. 5: Springer US, pp. 593–596, 2008.
Imer, B., B. Haskell, S. Rajan, S. Keller, U. K. Mishra, S. Nakamura, J. S. Speck, and S. P. DenBaars, "Electrical characterization of low defect density nonpolar (11\= 2 0) a-plane GaN grown with sidewall lateral epitaxial overgrowth (SLEO)", Journal of Materials Research, vol. 23, no. 2: Cambridge University Press, pp. 551–555, 2008.
Metcalfe, G. D., H. Shen, M. Wraback, A. Hirai, F. Wu, and J. S. Speck, "Enhanced terahertz radiation from high stacking fault density nonpolar GaN", Applied Physics Letters, vol. 92, no. 24: AIP, pp. 241106, 2008.
Brown, D. F., S. Keller, F. Wu, J. S. Speck, S. P. DenBaars, and U. K. Mishra, "Growth and characterization of N-polar GaN films on SiC by metal organic chemical vapor deposition", Journal of Applied Physics, vol. 104, no. 2: AIP, pp. 024301, 2008.

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