Publications

Found 696 results
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2006
Wraback, M., G. D. Chern, E. D. Readinger, P. H. Shen, G. Koblmueller, C. S. Gallinat, J. S. Speck, and W. J. Schaff, Indium Nitride: A New Material for High Efficiency, Compact, 1550NM Laser-Based Terahertz Sources in Explosives Detection and Concealed Weapons Imaging: DTIC Document, 2006.
Gallinat, C. S., G. Koblmüller, J. S. Brown, S. Bernardis, J. S. Speck, G. D. Chern, E. D. Readinger, H. Shen, and M. Wraback, "In-polar InN grown by plasma-assisted molecular beam epitaxy", Applied physics letters, vol. 89, no. 3: AIP, pp. 032109, 2006.
Barabash, RI., G. E. Ice, W. Liu, C. Roder, S. Figge, S. Einfeldt, D. Hommel, TM. Katona, JS. Speck, SP. DenBaars, et al., "Mapping misorientation and crystallographic tilt in GaN layers via polychromatic microdiffraction", physica status solidi (b), vol. 243, no. 7: Wiley Online Library, pp. 1508–1513, 2006.
Paskova, T., R. Kroeger, PP. Paskov, S. Figge, D. Hommel, B. Monemar, B. Haskell, P. Fini, JS. Speck, and S. Nakamura, "Microscopic emission properties of nonpolar α-plane GaN grown by HVPE", Gallium Nitride Materials and Devices, vol. 6121: International Society for Optics and Photonics, pp. 612106, 2006.
Craven, M. D., S. Keller, S. P. DenBaars, T. Margalith, J. Stephen Speck, S. Nakamura, and U. K. Mishra, Non-polar (Al, B, In, Ga) N quantum well and heterostructure materials and devices, 2006.
Chakraborty, A., B. A. Haskell, H. Masui, S. Keller, J. S. Speck, S. P. DenBaars, S. Nakamura, and U. K. Mishra, "Nonpolar m-plane blue-light-emitting diode lamps with output power of 23.5 mW under pulsed operation", Japanese journal of applied physics, vol. 45, no. 2R: IOP Publishing, pp. 739, 2006.
Keller, S., C. Schaake, NA. Fichtenbaum, CJ. Neufeld, Y. Wu, K. McGroddy, A. David, SP. DenBaars, C. Weisbuch, JS. Speck, et al., "Optical and structural properties of GaN nanopillar and nanostripe arrays with embedded In Ga N/ Ga N multi-quantum wells", Journal of Applied Physics, vol. 100, no. 5: AIP, pp. 054314, 2006.
Koblmüller, G., CS. Gallinat, S. Bernardis, JS. Speck, GD. Chern, ED. Readinger, H. Shen, and M. Wraback, "Optimization of the surface and structural quality of N-face InN grown by molecular beam epitaxy", Applied physics letters, vol. 89, no. 7: AIP, pp. 071902, 2006.
Chichibu, S. F., A. Uedono, T. Onuma, B. A. Haskell, A. Chakraborty, T. Koyama, P. T. Fini, S. Keller, S. P. DenBaars, J. S. Speck, et al., "Origin of defect-insensitive emission probability in In-containing (Al, In, Ga) N alloy semiconductors", Nature materials, vol. 5, no. 10: Nature Publishing Group, pp. 810, 2006.
Chichibu, S. F., A. Uedono, T. Onuma, B. A. Haskell, A. Chakraborty, T. Koyama, P. T. Fini, S. Keller, S. P. DenBaars, J. S. Speck, et al., "Origin of defect-insensitive emission probability in In-containing (Al, In, Ga) N alloy semiconductors", Nature materials, vol. 5, no. 10: Nature Publishing Group, pp. 810, 2006.
Koyama, T., T. Onuma, H. Masui, A. Chakraborty, BA. Haskell, S. Keller, UK. Mishra, JS. Speck, S. Nakamura, SP. DenBaars, et al., "Prospective emission efficiency and in-plane light polarization of nonpolar m-plane In x Ga 1- x N/ Ga N blue light emitting diodes fabricated on freestanding GaN substrates", Applied physics letters, vol. 89, no. 9: AIP, pp. 091906, 2006.
Koyama, T., T. Onuma, H. Masui, A. Chakraborty, BA. Haskell, S. Keller, UK. Mishra, JS. Speck, S. Nakamura, SP. DenBaars, et al., "Prospective emission efficiency and in-plane light polarization of nonpolar m-plane In x Ga 1- x N/ Ga N blue light emitting diodes fabricated on freestanding GaN substrates", Applied physics letters, vol. 89, no. 9: AIP, pp. 091906, 2006.
Brown, J. S., G. Koblmüller, R. Averbeck, H. Riechert, and J. S. Speck, "Quadrupole mass spectrometry desorption analysis of Ga adsorbate on AlN (0001)", Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, vol. 24, no. 6: AVS, pp. 1979–1984, 2006.
Kaeding, JF., H. Asamizu, H. Sato, M. Iza, TE. Mates, SP. DenBaars, JS. Speck, and S. Nakamura, "Realization of high hole concentrations in Mg doped semipolar (10 1\= 1\=) GaN", Applied physics letters, vol. 89, no. 20: AIP, pp. 202104, 2006.
Onuma, T., S. Keller, SP. DenBaars, JS. Speck, S. Nakamura, UK. Mishra, T. Sota, and SF. Chichibu, "Recombination dynamics of a 268 nm emission peak in Al 0.53 In 0.11 Ga 0.36 N/ Al 0.58 In 0.02 Ga 0.40 N multiple quantum wells", Applied Physics Letters, vol. 88, no. 11: AIP, pp. 111912, 2006.
Chakraborty, A., K. Choong Kim, F. Wu, B. A. Haskell, S. Keller, J. S. Speck, S. Nakamura, S. P. DenBaars, and U. K. Mishra, "Structural and electroluminescence characteristics of nonpolar light-emitting diodes fabricated on lateral epitaxially overgrown a-Plane GaN", Japanese journal of applied physics, vol. 45, no. 11R: IOP Publishing, pp. 8659, 2006.
Chakraborty, A., K. Choong Kim, F. Wu, B. A. Haskell, S. Keller, J. S. Speck, S. Nakamura, S. P. DenBaars, and U. K. Mishra, "Structural and electroluminescence characteristics of nonpolar light-emitting diodes fabricated on lateral epitaxially overgrown a-Plane GaN", Japanese journal of applied physics, vol. 45, no. 11R: IOP Publishing, pp. 8659, 2006.
Shen, L., T. Palacios, C. Poblenz, A. Corrion, A. Chakraborty, N. Fichtenbaum, S. Keller, SP. DenBaars, JS. Speck, and UK. Mishra, "Unpassivated high power deeply recessed GaN HEMTs with fluorine-plasma surface treatment", IEEE Electron Device Letters, vol. 27, no. 4: IEEE, pp. 214–216, 2006.
Dora, Y., S. Han, D. Klenov, P. J. Hansen, K-soo. No, U. K. Mishra, S. Stemmer, and J. S. Speck, "ZrO 2 gate dielectrics produced by ultraviolet ozone oxidation for GaN and AlGaN/ GaN transistors", Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena, vol. 24, no. 2: AVS, pp. 575–581, 2006.
2005
Koblmüller, G., J. Brown, R. Averbeck, H. Riechert, P. Pongratz, and J. S. Speck, "Continuous evolution of Ga adlayer coverages during plasma-assisted molecular-beam epitaxy of (0001) GaN", Applied Physics Letters, vol. 86, no. 4: AIP, pp. 041908, 2005.
Chakraborty, A., B. A. Haskell, S. Keller, J. S. Speck, S. P. DenBaars, S. Nakamura, and U. K. Mishra, "Demonstration of nonpolar m-plane InGaN/GaN light-emitting diodes on free-standing m-plane GaN substrates", Japanese journal of applied physics, vol. 44, no. 1L: IOP Publishing, pp. L173, 2005.
Heikman, S., S. Keller, S. Newman, Y. Wu, C. Moe, B. Moran, M. Schmidt, U. K. Mishra, J. S. Speck, and S. P. DenBaars, "Epitaxial lateral overgrowth of high Al composition AlGaN alloys on deep grooved SiC substrates", Japanese journal of applied physics, vol. 44, no. 3L: IOP Publishing, pp. L405, 2005.
Koblmüller, G., J. Brown, R. Averbeck, H. Riechert, P. Pongratz, and J. S. Speck, "Ga adlayer governed surface defect evolution of (0001) GaN films grown by plasma-assisted molecular beam epitaxy", Japanese journal of applied physics, vol. 44, no. 7L: IOP Publishing, pp. L906, 2005.
Palacios, T., A. Chakraborty, S. Rajan, C. Poblenz, S. Keller, SP. DenBaars, JS. Speck, and UK. Mishra, "High-power AlGaN/GaN HEMTs for Ka-band applications", IEEE Electron Device Letters, vol. 26, no. 11: IEEE, pp. 781–783, 2005.
Garrett, GA., H. Shen, M. Wraback, B. Imer, B. Haskell, JS. Speck, S. Keller, S. Nakamura, and SP. DenBaars, "Intensity dependent time-resolved photoluminescence studies of GaN/AlGaN multiple quantum wells of varying well width on laterally overgrown a-plane and planar c-plane GaN", physica status solidi (a), vol. 202, no. 5: Wiley Online Library, pp. 846–849, 2005.

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