Publications

Found 110 results
Author Title Type [ Year(Desc)]
Filters: First Letter Of Title is H  [Clear All Filters]
2008
Weisbuch, C. C. A., J. S. Speck, and S. P. DenBaars, High efficiency white, single or multi-color light emitting diodes (leds) by index matching structures, may # " 29", 2008.
Sato, H., H. Hirasawa, H. Asamizu, N. Fellows, A. Tyagi, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High power and high efficiency semipolar InGaN light emitting diodes", Journal of Light & Visual Environment, vol. 32, no. 2: The Illuminating Engineering Institute of Japan, pp. 107–110, 2008.
Weisbuch, C. C. A., A. J. F. David, J. S. Speck, and S. P. DenBaars, Horizontal emitting, vertical emitting, beam shaped, distributed feedback (DFB) lasers by growth over a patterned substrate, 2008.
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.
Navarro, A., C. Rivera, J. Pereiro, E. Munoz, B. Imer, SP. DenBaars, and JS. Speck, "High responsivity A-plane GaN-based metal-semiconductor-metal photodetectors for polarization-sensitive applications", Applied Physics Letters, vol. 94, no. 21: AIP, pp. 213512, 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.
2010
Saito, M., S. P. DenBaars, J. S. Speck, and S. Nakamura, Hexagonal wurtzite single crystal and hexagonal wurtzite single crystal substrate, 2010.
Bierwagen, O., and J. S. Speck, "High electron mobility In 2 O 3 (001) and (111) thin films with nondegenerate electron concentration", Applied Physics Letters, vol. 97, no. 7: AIP, pp. 072103, 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.
Da Lin, Y-., S. Yamamoto, C-Y. Huang, C-L. Hsiung, F. Wu, K. Fujito, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High quality InGaN/AlGaN multiple quantum wells for semipolar InGaN green laser diodes", Applied Physics Express, vol. 3, no. 8: IOP Publishing, pp. 082001, 2010.
Da Lin, Y-., S. Yamamoto, C-Y. Huang, C-L. Hsiung, F. Wu, K. Fujito, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High Quality InGaN/AlGaN Multiple Quantum Wells for Semipolar InGaN Green Laser Diodes", Applied Physics Express, vol. 3, pp. 082001, 2010.
Raring, J. W., M. C. Schmidt, C. Poblenz, Y-C. Chang, M. J. Mondry, B. Li, J. Iveland, B. Walters, M. R. Krames, R. Craig, et al., "High-efficiency blue and true-green-emitting laser diodes based on non-c-plane oriented GaN substrates", Applied physics express, vol. 3, no. 11: IOP Publishing, pp. 112101, 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.
Raring, J. W., E. M. Hall, M. C. Schmidt, C. Poblenz, B. Li, N. Pfister, D. F. Feezell, R. Craig, J. S. Speck, S. P. DenBaars, et al., "High-power high-efficiency continuous-wave InGaN laser diodes in the violet, blue, and green wavelength regimes", Gallium Nitride Materials and Devices V, vol. 7602: International Society for Optics and Photonics, pp. 760218, 2010.
Koblmüller, G., RM. Chu, A. Raman, UK. Mishra, and JS. Speck, "High-temperature molecular beam epitaxial growth of AlGaN/GaN on GaN templates with reduced interface impurity levels", Journal of Applied Physics, vol. 107, no. 4: AIP, pp. 043527, 2010.
Miller, N., JW. Ager III, HM. Smith III, MA. Mayer, KM. Yu, EE. Haller, W. Walukiewicz, WJ. Schaff, C. Gallinat, G. Koblmüller, et al., "Hole transport and photoluminescence in Mg-doped InN", Journal of Applied Physics, vol. 107, no. 11: AIP, pp. 113712, 2010.
2011
Bierwagen, O., S. Choi, and J. S. Speck, "Hall and Seebeck profiling: Determining surface, interface, and bulk electron transport properties in unintentionally doped InN", Physical Review B, vol. 84, no. 23: APS, pp. 235302, 2011.
DenBaars, S. P., S. Nakamura, and J. S. Speck, High efficiency light emitting diode (LED), jun # " 7", 2011.
Lang, J., C. Neufeld, C. Hurni, S. Cruz, E. Matioli, U. Mishra, and J. Speck, "High External Quantum Efficiency and Fill-Factor InGaN-Based Solar Cells 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.
Lang, J. R., CJ. Neufeld, CA. Hurni, SC. Cruz, E. Matioli, UK. Mishra, and JS. Speck, "High external quantum efficiency and fill-factor InGaN/GaN heterojunction solar cells grown by NH 3-based molecular beam epitaxy", Applied Physics Letters, vol. 98, no. 13: AIP, pp. 131115, 2011.
Matioli, E., C. Neufeld, M. Iza, S. C. Cruz, A. A. Al-Heji, X. Chen, R. M. Farrell, S. Keller, S. DenBaars, U. Mishra, et al., "High internal and external quantum efficiency InGaN/GaN solar cells", Applied Physics Letters, vol. 98, no. 2: AIP, pp. 021102, 2011.

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