Publications

Found 673 results
Author Title Type [ Year(Desc)]
Filters: Author is Speck, James S  [Clear All Filters]
2001
Speck, J. S., P. M. Petroff, and G. E. Beltz, Periodic Lattices of Interacting Self-Assembled Quantum Dots: DTIC Document, 2001.
Acikel, B., Y. Liu, A. S. Nagra, T. R. Taylor, P. J. Hansen, J. S. Speck, and R. A. York, "Phase shifters using (Ba, Sr) TiO/sub 3/thin films on sapphire and glass substrates", Microwave Symposium Digest, 2001 IEEE MTT-S International, vol. 2: IEEE, pp. 1191–1194, 2001.
Speck, J. S., "The role of threading dislocations in the physical properties of GaN and its alloys", Materials Science Forum, vol. 353: Trans Tech Publications, pp. 769–778, 2001.
2002
Simpkins, B. S., Y. T Edward, P. Waltereit, and J. S. Speck, "Distinguishing negatively-charged and highly conductive dislocations in gallium nitride using scanning Kelvin probe and conductive atomic force microscopy", MRS Online Proceedings Library Archive, vol. 743: Cambridge University Press, 2002.
Davis, R. F., A. M. Roskowski, E. A. Preble, J. S. Speck, B. Heying, J. A. Freitas, EVAN. R. Glaser, and WILLIAM. E. Carlos, "Gallium nitride materials-progress, status, and potential roadblocks", Proceedings of the IEEE, vol. 90, no. 6: IEEE, pp. 993–1005, 2002.
Liu, Y., T. R. Taylor, J. S. Speck, and R. A. York, "High-isolation BST-MEMS switches", Microwave Symposium Digest, 2002 IEEE MTT-S International, vol. 1: IEEE, pp. 227–230, 2002.
Acikel, B., T. R. Taylor, P. J. Hansen, J. S. Speck, and R. A. York, "A new high performance phase shifter using Ba/sub x/Sr/sub 1-x/TiO 3 thin films", IEEE Microwave and wireless components letters, vol. 12, no. 7: IEEE, pp. 237–239, 2002.
Acikel, B., T. R. Taylor, P. J. Hansen, J. S. Speck, and R. A. York, "A new X-band 180/spl deg/high performance phase shifter using (Ba, Sr) TiO/sub 3/thin films", Microwave Symposium Digest, 2002 IEEE MTT-S International, vol. 3: IEEE, pp. 1467–1469, 2002.
Ullrich, A., W. Pompe, J. S. Speck, and AE. Romanov, "Peculiarities of domain patterns in epitaxially grown ferroelectric thin films", Solid State Phenomena, vol. 87: Trans Tech Publications, pp. 245–254, 2002.
Jena, D., S. Heikman, D. Green, D. Buttari, R. Coffie, H. Xing, S. Keller, S. DenBaars, J. S. Speck, U. K. Mishra, et al., "Realization of wide electron slabs by polarization bulk doping in graded III–V nitride semiconductor alloys", Applied Physics Letters, vol. 81, no. 23: AIP, pp. 4395–4397, 2002.
2003
Sato, H., P. Waltereit, D. S. Green, C. Poblenz, T. Katona, S. P. DenBaars, J. S. Speck, H. Tamura, and C. Funaoka, "Blue light-emitting diodes grown by plasma-assisted molecular beam epitaxy", physica status solidi (c), no. 7: Wiley Online Library, pp. 2193–2197, 2003.
Craven, M. D., P. Waltereit, F. Wu, J. S. Speck, and S. P. DenBaars, "Characterization of a-plane GaN/(Al, Ga) N multiple quantum wells grown via metalorganic chemical vapor deposition", Japanese journal of applied physics, vol. 42, no. 3A: IOP Publishing, pp. L235, 2003.
Serraiocco, J. L., P. J. Hansen, T. R. Taylor, J. S. Speck, and R. A. York, "Compact ferroelectric reflection phase shifters at X-band", Microwave Symposium Digest, 2003 IEEE MTT-S International, vol. 3: IEEE, pp. 1993–1996, 2003.
Brandt, O., Y. Jun Sun, H-P. Schönherr, K. H. Ploog, P. Waltereit, S-H. Lim, and J. S. Speck, "Improved synthesis of (In, Ga) N/GaN multiple quantum wells by plasma-assisted molecular-beam epitaxy", Applied physics letters, vol. 83, no. 1: AIP, pp. 90–92, 2003.
Jena, D., S. Heikman, J. S. Speck, A. Gossard, U. K. Mishra, A. Link, and O. Ambacher, "Magnetotransport properties of a polarization-doped three-dimensional electron slab in graded AlGaN", Physical Review B, vol. 67, no. 15: APS, pp. 153306, 2003.
Sun, Y. Jun, O. Brandt, S. Cronenberg, S. Dhar, H. T. Grahn, K. H. Ploog, P. Waltereit, and J. S. Speck, "Nonpolar In x Ga 1- x N/GaN (11\= 0 0) multiple quantum wells grown on γ- LiAlO 2 (100) by plasma-assisted molecular-beam epitaxy", Physical Review B, vol. 67, no. 4: APS, pp. 041306, 2003.
Heikman, S., S. Keller, Y. Wu, J. S. Speck, S. P. DenBaars, and U. K. Mishra, "Polarization effects in AlGaN/GaN and GaN/AlGaN/GaN heterostructures", Journal of applied physics, vol. 93, no. 12: AIP, pp. 10114–10118, 2003.
Sun, Y. Jun, O. Brandt, S. Cronenberg, S. Dhar, H. T. Grahn, K. H. Ploog, P. Waltereit, and J. S. Speck, "RAPID COMMUNICATIONS-Semiconductors II: Surfaces, interfaces, microstructures, and related topics-Nonpolar InxGa1-xN/GaN (1100) multiple quantum wells grown on g-LiAlO2 (100) by plasma-assisted", Physical Review-Section B-Condensed Matter, vol. 67, no. 4: Woodbury, NY: published by the American Physical Society through the American Institute of Physics, c1998-, pp. 41306R, 2003.
Jena, D., S. Heikman, J. S. Speck, A. Gossard, U. K. Mishra, A. Link, and O. Ambacher, "Semiconductors II: Surfaces, interfaces, microstructures, and related topics-Magnetotransport properties of a polarization-doped three-dimensional electron slab in graded AlGaN (4", Physical Review-Section B-Condensed Matter, vol. 67, no. 15: Woodbury, NY: published by the American Physical Society through the American Institute of Physics, c1998-, pp. 153306–153306, 2003.
Petroff, P. M., J. S. Speck, J. Anna Johnson, and H. Lee, Strain-engineered, self-assembled, semiconductor quantum dot lattices, 2003.
Yu, E. T., Y. Arakawa, A. Rizzi, and J. S. Speck, Symposium L: GaN and Related Alloys: DTIC Document, 2003.
2004
Hashimoto, T., K. Fujito, F. Wu, B. A. Haskell, P. T. Fini, J. S. Speck, and S. Nakamura, "Ammonothermal growth of GaN utilizing negative temperature dependence of solubility in basic ammonia", MRS Online Proceedings Library Archive, vol. 831: Cambridge University Press, 2004.
Sun, Y. Jun, O. Brandt, S. Cronenberg, S. Dhar, H. T. Grahn, K. H. Ploog, P. Waltereit, and J. S. Speck, "Erratum: Nonpolar In x Ga 1- x N/G a N (1 1\= 0 0) multiple quantum wells grown on γ- L i A l O 2 (100) by plasma-assisted molecular-beam epitaxy [Phys. Rev. B 67, 041306 (R)(2003)]", Physical Review B, vol. 69, no. 12: APS, pp. 129902, 2004.
Katona, T. M., T. Margalith, C. Moe, M. C. Schmidt, S. Nakamura, J. S. Speck, and S. P. DenBaars, "Growth and fabrication of short-wavelength UV LEDs", Third International Conference on Solid State Lighting, vol. 5187: International Society for Optics and Photonics, pp. 250–260, 2004.
Kaeding, J. F., Y. Wu, T. Fujii, R. Sharma, P. T. Fini, J. S. Speck, and S. Nakamura, "Growth and laser-assisted liftoff of low dislocation density AlN thin films for deep-UV light-emitting diodes", Journal of crystal growth, vol. 272, no. 1-4: North-Holland, pp. 257–263, 2004.

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