Publications

Found 301 results
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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.
Recht, F., L. McCarthy, S. Rajan, A. Chakraborty, C. Poblenz, A. Corrion, JS. Speck, and UK. Mishra, "Nonalloyed ohmic contacts in AlGaN/GaN HEMTs by ion implantation with reduced activation annealing temperature", IEEE electron device letters, vol. 27, no. 4: IEEE, pp. 205–207, 2006.
Recht, F., L. McCarthy, S. Rajan, A. Chakraborty, C. Poblenz, A. Corrion, JS. Speck, and UK. Mishra, "Nonalloyed ohmic contacts in AlGaN/GaN HEMTs by ion implantation with reduced activation annealing temperature", IEEE electron device letters, vol. 27, no. 4: IEEE, pp. 205–207, 2006.
Recht, F., L. McCarthy, S. Rajan, A. Chakraborty, C. Poblenz, A. Corrion, JS. Speck, and UK. Mishra, "Nonalloyed ohmic contacts in AlGaN/GaN HEMTs by ion implantation with reduced activation", Info: Postprints, UC Santa Barbara, 2006.
Recht, F., L. McCarthy, S. Rajan, A. Chakraborty, C. Poblenz, A. Corrion, JS. Speck, and UK. Mishra, "Nonalloyed ohmic contacts in AlGaN/GaN HEMTs by ion implantation with reduced activation", Info: Postprints, UC Santa Barbara, 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.
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.
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.
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.
Roder, C., S. Einfeldt, S. Figge, D. Hommel, T. Paskova, B. Monemar, BA. Haskell, PT. Fini, JS. Speck, and S. Nakamura, "Strain in a-plane GaN layers grown on r-plane sapphire substrates", physica status solidi (a), vol. 203, no. 7: Wiley Online Library, pp. 1672–1675, 2006.
Romanov, AE., TJ. Baker, S. Nakamura, JS. Speck, and ERATO/JST. U. C. S. B. Group, "Strain-induced polarization in wurtzite III-nitride semipolar layers", Journal of Applied Physics, vol. 100, no. 2: AIP, pp. 023522, 2006.
2005
Rajan, S., A. Chini, M. Wong, Y. Fu, F. Wu, JS. Speck, UK. Mishra, M. J. Grundmann, and C. Suh, Advanced Transistor Structures Based on N-face GaN , 2005.
Romanov, AE., P. Waltereit, and JS. Speck, "Buried stressors in nitride semiconductors: Influence on electronic properties", Journal of applied physics, vol. 97, no. 4: AIP, pp. 043708, 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.
Poblenz, C., P. Waltereit, S. Rajan, UK. Mishra, JS. Speck, P. Chin, I. Smorchkova, and B. Heying, "Effect of AlN nucleation layer growth conditions on buffer leakage in Al Ga N/ Ga N high electron mobility transistors grown by molecular beam epitaxy (MBE)", Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena, vol. 23, no. 4: AVS, pp. 1562–1567, 2005.
Chini, A., S. Rajan, M. Wong, Y. Fu, JS. Speck, and UK. Mishra, "Fabrication and Characterization of N-Face AlGaN/GaN/AlGaN HEMTs", Device Research Conference Digest, 2005. DRC'05. 63rd, vol. 1: IEEE, pp. 63–64, 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.
Rajan, S., M. Wong, Y. Fu, F. Wu, JS. Speck, and UK. Mishra, "Growth and electrical characterization of N-face AlGaN/GaN heterostructures", Japanese journal of applied physics, vol. 44, no. 11L: IOP Publishing, pp. L1478, 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.
Armstrong, A., AR. Arehart, D. Green, UK. Mishra, JS. Speck, and SA. Ringel, "Impact of deep levels on the electrical conductivity and luminescence of gallium nitride codoped with carbon and silicon", Journal of Applied physics, vol. 98, no. 5: AIP, pp. 053704, 2005.
Yu, H., L. McCarthy, S. Rajan, S. Keller, S. DenBaars, J. Speck, and U. Mishra, "Ion implanted AlGaN-GaN HEMTs with nonalloyed ohmic contacts", IEEE electron device letters, vol. 26, no. 5: IEEE, pp. 283–285, 2005.
Rajan, S., A. Chakraborty, U. K. Mishra, C. Poblenz, P. Waltereit, and J. S. Speck, "MBE-Grown AIGaN/GaN HEMTs on SiC", High Performance Devices, pp. 108–113, 2005.
Farag, N., M. Bobeth, W. Pompe, AE. Romanov, and JS. Speck, "Modeling of twinning in epitaxial (001)-oriented La 0.67 Sr 0.33 MnO 3 thin films", Journal of applied physics, vol. 97, no. 11: AIP, pp. 113516, 2005.

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