Publications

Found 63 results
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Filters: Author is Speck, James  [Clear All Filters]
2011
Browne, D., E. Young, and J. Speck, "Investigation of Indium and Impurity Incorporation of InGaN Films on Polar, Nonpolar, and Semipolar GaN Orientations Grown by Ammonia MBE", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 2011.
Hurni, C., P. Burke, J. Lang, B. McSkimming, E. Young, U. Mishra, and J. Speck, "Low temperature p-GaN grown by NH 3-MBE", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 2011.
Hsu, P. Shan, E. Young, A. Romanov, K. Fujito, J. Speck, and S. Nakamura, "Misfit Dislocation Formation in Partially Strain-Relaxed(11-22) Semipolar InGaN", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 2011.
Hardy, M., F. Wu, P. Shan Hsu, I. Koslow, E. Young, J. Speck, and S. DenBaars, "Observation of m-Plane Slip and Relaxation Orthogonal to the Projected c-Direction in(20-21) InGaN/GaN Partially Relaxed Layers", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 2011.
Feezell, D., J. Speck, S. DenBaars, and S. Nakamura, "Optoelectronic Devices Grown on Nonpolar and Semipolar Free-Standing GaN Substrates", 2011 International Conference on Compound Semiconductor Manufacturing Technology, CS MANTECH 2011, 01, 2011.
Matioli, E., S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, "Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals", Applied Physics Letters, vol. 98, no. 25: AIP, pp. 251112, 2011.
Chung, R., E. Young, D. Haeger, S. DenBaars, J. Speck, and D. Cohen, "Semipolar AlGaN Buffers for Deep Ultraviolet Diode Lasers", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 2011.
Koslow, I., M. Hardy, P-S. Hsu, E. Young, S. Nakamura, J. Speck, and S. DenBaars, "Strain Relaxation in Semipolar Nitrides for Optoelectronic Device Applications", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 2011.
Toledo, N., C. Neufeld, M. Scarpulla, T. Buehl, S. Cruz, A. Gossard, S. DenBaars, J. Speck, and U. Mishra, "Wafer Bonded GaAs-Sapphire for Photovoltaic Applications via Adhesive Bonding", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 2011.
2010
Matioli, E., B. Fleury, E. Rangel, T. Melo, E. Hu, J. Speck, and C. Weisbuch, "High extraction efficiency GaN-based photonic-crystal light-emitting diodes: Comparison of extraction lengths between surface and embedded photonic crystals", Applied physics express, vol. 3, no. 3: IOP Publishing, pp. 032103, 2010.
Matioli, E., E. Rangel, M. Iza, B. Fleury, N. Pfaff, J. Speck, E. Hu, and C. Weisbuch, "High extraction efficiency light-emitting diodes based on embedded air-gap photonic-crystals", Applied physics letters, vol. 96, no. 3: AIP, pp. 031108, 2010.
Speck, J., E. Hu, C. Weisbuch, Y-S. Choi, K. McGroddy, G. Koblmüller, E. Matioli, E. Rangel, F. Rol, and D. Simeonov, High-Efficiency Nitride-Base Photonic Crystal Light Sources: The Regents Of The University Of California, 2010.
Matioli, E., B. Fleury, E. Rangel, E. Hu, J. Speck, and C. Weisbuch, "Measurement of extraction and absorption parameters in GaN-based photonic-crystal light-emitting diodes", Journal of applied physics, vol. 107, no. 5: AIP, pp. 053114, 2010.
Yang, C. Kai, P. Roblin, F. De Groote, S. A. Ringel, S. Rajan, J. Pierre Teyssier, C. Poblenz, Y. Pei, J. Speck, and U. K. Mishra, "Pulsed-IV pulsed-RF cold-FET parasitic extraction of biased AlGaN/GaN HEMTs using large signal network analyzer", IEEE transactions on microwave theory and techniques, vol. 58, no. 5: IEEE, pp. 1077–1088, 2010.
2009
Suh, I., P. Roblin, Y. Ko, C-K. Yang, A. Malonis, A. Arehart, S. Ringel, C. Poblenz, Y. Pei, J. Speck, et al., "Additive phase noise measurements of AlGaN/GaN HEMTs using a large signal network analyzer and a tunable monochromatic light source", Microwave Measurement Symposium, 2009 74th ARFTG: IEEE, pp. 1–5, 2009.
Yang, C-K., P. Roblin, A. Malonis, A. Arehart, S. Ringel, C. Poblenz, Y. Pei, J. Speck, and U. Mishra, "Characterization of traps in AlGaN/GaN HEMTs with a combined large signal network analyzer/deep level optical spectrometer system", Microwave Symposium Digest, 2009. MTT'09. IEEE MTT-S International: IEEE, pp. 1209–1212, 2009.
Matioli, E., M. Iza, Y-S. Choi, F. Wu, S. Keller, H. Masui, E. Hu, J. Speck, and C. Weisbuch, "GaN-based embedded 2D photonic crystal LEDs: Numerical optimization and device characterization", physica status solidi (c), vol. 6, no. S2: WILEY-VCH Verlag, 2009.
Matioli, E., S. Keller, F. Wu, Y-S. Choi, E. Hu, J. Speck, and C. Weisbuch, "Growth of embedded photonic crystals for GaN-based optoelectronic devices", Journal of Applied Physics, vol. 106, no. 2: AIP, pp. 024309, 2009.
Shen, P. H., G. Garrett, M. Wraback, H. Zhong, A. Tyagi, J. Speck, and S. Nakamura, "Piezoelectric Field in Semi-Polar InGaN/GaN Quantum Wells", Meeting Abstracts, no. 21: The Electrochemical Society, pp. 885–885, 2009.
Speck, J., "Progress in the growth, characterization and device performance for nonpolar and semipolar GaN-based materials", Conference on Lasers and Electro-Optics: Optical Society of America, pp. CMM1, 2009.
2008
Yamanaka, T., D. Alexson, M. A. Stroscio, M. Dutta, P. Petroff, J. Brown, and J. Speck, "Phonon modes in self-assembled GaN quantum dots", Journal of Applied Physics, vol. 104, no. 9: AIP, pp. 093512, 2008.
2007
Chu, R., L. Shen, N. Fichtenbaum, S. Keller, A. Corrion, C. Poblenz, J. Speck, and U. Mishra, "Surface treatment for leakage reduction in AlGaN/GaN HEMTs", Device Research Conference, 2007 65th Annual: IEEE, pp. 127–128, 2007.
Chern, G. D., H. Shen, M. Wraback, G. Koblmüller, C. Gallinat, and J. Speck, "Terahertz Emission from Indium Nitride Multiple Quantum Wells", Optical Terahertz Science and Technology: Optical Society of America, pp. MA3, 2007.
2006
Chern, G., E. Readinger, H. Shen, M. Wraback, C. Gallinat, G. Koblmueller, and J. Speck, "Comparison of terahertz emission from N-face and In-face indium nitride thin films", APS Meeting Abstracts, 2006.
Kaeding, J. F., M. Iza, H. Sato, S. DenBaars, J. Speck, and S. Nakamura, "Effect of Substrate Miscut on the Direct Growth of Semipolar (101̄1̄) GaN on (100) MgAl 2 O 4 by Metalorganic Chemical Vapor Deposition", Japanese Journal of Applied Physics, vol. 45, 06, 2006.

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