Publications

Found 522 results
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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.
Armstrong, A., A. Chakraborty, JS. Speck, SP. DenBaars, UK. Mishra, and SA. Ringel, "Quantitative observation and discrimination of AlGaN-and GaN-related deep levels in Al Ga N/ Ga N heterostructures using capacitance deep level optical spectroscopy", Applied physics letters, vol. 89, no. 26: AIP, pp. 262116, 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.
Corrion, A., C. Poblenz, P. Waltereit, T. Palacios, S. Rajan, U. K. Mishra, and J. S. Speck, "Review of recent developments in growth of AlGaN/GaN high-electron mobility transistors on 4H-SiC by plasma-assisted molecular beam epitaxy", IEICE transactions on electronics, vol. 89, no. 7: The Institute of Electronics, Information and Communication Engineers, pp. 906–912, 2006.
Corrion, A., C. Poblenz, P. Waltereit, T. Palacios, S. Rajan, U. K. Mishra, and J. S. Speck, "Special Section on Heterostructure Microelectronics with TWHM2005-GaN-Based Devices-Review of Recent Developments in Growth of AlGaN/GaN High-Electron Mobility Transistors on 4H-SiC by", IEICE Transactions on Electronics, vol. 89, no. 7: Tokyo, Japan: Institute of Electronics, Information and Communication Engineers, c1992-, pp. 906–912, 2006.
Imer, B., F. Wu, M. D. Craven, J. S. Speck, and S. P. DenBaars, "Stability of (1100) m-Plane GaN Films Grown by Metalorganic Chemical Vapor Deposition", Japanese journal of applied physics, vol. 45, no. 11R: IOP Publishing, pp. 8644, 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.
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.
2007
Choi, Y-S., M. Iza, E. Matioli, G. Koblmüller, J. S. Speck, C. Weisbuch, and E. L. Hu, "2.5 λ microcavity InGaN light-emitting diodes fabricated by a selective dry-etch thinning process", Applied Physics Letters, vol. 91, no. 6: AIP, pp. 061120, 2007.
Feezell, D. F., M. C. Schmidt, R. M. Farrell, K-C. Kim, M. Saito, K. Fujito, D. A. Cohen, J. S. Speck, S. P. DenBaars, and S. Nakamura, "AlGaN-cladding-free nonpolar InGaN/GaN laser diodes", Japanese journal of applied physics, vol. 46, no. 4L: IOP Publishing, pp. L284, 2007.
Recht, F., L. McCarthy, L. Shen, C. Poblenz, A. Corrion, JS. Speck, and UK. Mishra, "AlGaN/GaN HEMTs with large angle implanted nonalloyed ohmic contacts", Device Research Conference, 2007 65th Annual: IEEE, pp. 37–38, 2007.
Pei, Y., C. Suh, R. Chu, F. Recht, L. Shen, A. Corrion, C. Poblenz, J. Speck, and UK. Mishra, "AlGaN/GaNHEMT with High PAE and Breakdown Voltage Grown by Ammonia MBE", Device Research Conference, 2007 65th Annual: IEEE, pp. 129–130, 2007.
Pei, Y., C. Suh, R. Chu, F. Recht, L. Shen, A. Corrion, C. Poblenz, J. Speck, and UK. Mishra, "AlGaN/GaNHEMT with High PAE and Breakdown Voltage Grown by Ammonia MBE", Device Research Conference, 2007 65th Annual: IEEE, pp. 129–130, 2007.
Armstrong, A., A. Chakraborty, J. S. Speck, S. P. DenBaars, U. K. Mishra, and S. A. Ringel, "Characterization and Discrimination of AlGaN-and GaN-related Deep Levels in AlGaN/GaN Heterostructures", AIP Conference Proceedings, vol. 893, no. 1: AIP, pp. 223–224, 2007.
Nakamura, S., SP. DenBaars, JS. Speck, MC. Schmidt, KC. Kim, RM. Farrell, DF. Feezell, DA. Cohen, M. Saito, H. Sato, et al., "CK-1-1 Recent Performance of Nonpolar/Semipolar GaN-based Blue LEDs/LDs", ?????????????????????, vol. 2007, no. 2: ??????????????, 2007.
Armstrong, A., A. Corrion, C. Poblenz, UK. Mishra, JS. Speck, and SA. Ringel, "Comparison of deep level spectra in p-type and n-type GaN grown by molecular beam epitaxy [phys. stat. sol.(b) 244, No. 6, 1867–1871 (2007)]", physica status solidi (b), vol. 244, no. 12: Wiley Online Library, pp. 4692–4692, 2007.
Chu, R., CS. Suh, MH. Wong, N. Fichtenbaum, D. Brown, L. McCarthy, S. Keller, F. Wu, JS. Speck, and UK. Mishra, "Compound Semiconductor Devices-Impact of CF4 Plasma Treatment on GaN", IEEE Electron Device Letters, vol. 28, no. 9, pp. 781, 2007.
Farrell, R. M., D. F. Feezell, M. C. Schmidt, D. A. Haeger, K. M. Kelchner, K. Iso, H. Yamada, M. Saito, K. Fujito, D. A. Cohen, et al., "Continuous-wave operation of AlGaN-cladding-free nonpolar m-plane InGaN/GaN laser diodes", Japanese Journal of Applied Physics, vol. 46, no. 8L: IOP Publishing, pp. L761, 2007.
Shen, L., Y. Pei, L. McCarthy, C. Poblenz, A. Corrion, N. Fichtenbaum, S. Keller, SP. DenBaars, JS. Speck, and UK. Mishra, "Deep-recessed GaN HEMTs using selective etch technology exhibiting high microwave performance without surface passivation", Microwave Symposium, 2007. IEEE/MTT-S International: IEEE, pp. 623–626, 2007.
Zhong, H., A. Tyagi, NN. Fellows, RB. Chung, M. Saito, K. Fujito, JS. Speck, SP. DenBaars, and S. Nakamura, "Demonstration of high power blue-green light emitting diode on semipolar (1122) bulk GaN substrate", Electronics Letters, vol. 43, no. 15: IET Digital Library, pp. 825–827, 2007.
Schmidt, M. C., K-C. Kim, R. M. Farrell, D. F. Feezell, D. A. Cohen, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Demonstration of nonpolar m-plane InGaN/GaN laser diodes", Japanese journal of applied physics, vol. 46, no. 3L: IOP Publishing, pp. L190, 2007.
Chakraborty, A., C. G. Moe, Y. Wu, T. Mates, S. Keller, J. S. Speck, S. P. DenBaars, and U. K. Mishra, "Electrical and structural characterization of Mg-doped p-type Al 0.69 Ga 0.31 N films on SiC substrate", Journal of Applied Physics, vol. 101, no. 5: AIP, pp. 053717, 2007.
Chern, G. D., H. Shen, M. Wraback, G. Koblmüller, C. S. Gallinat, and J. S. Speck, "Excitation Wavelength Dependence of Terahertz Emission from Indium Nitride Multiple Quantum Wells", Lasers and Electro-Optics, 2007. CLEO 2007. Conference on: IEEE, pp. 1–2, 2007.
Chern, G. D., E. D. Readinger, H. Shen, M. Wraback, C. S. Gallinat, G. Koblmüller, and J. S. Speck, "Excitation Wavelength Dependence Of Terahertz Emission From Indium Nitride Thin Films", AIP Conference Proceedings, vol. 893, no. 1: AIP, pp. 513–514, 2007.

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