Publications

Found 89 results
Author Title Type [ Year(Desc)]
Filters: Author is Keller, Stacia  [Clear All Filters]
1996
Keller, S., D. Kapolnek, B. P. Keller, Y. Wu, B. Heying, J. S. Speck, U. K. Mishra, and S. P. DenBaars, "Effect of the trimethylgallium flow during nucleation layer growth on the properties of GaN grown on sapphire", Japanese journal of applied physics, vol. 35, no. 3A: IOP Publishing, pp. L285, 1996.
1999
Chavarkar, P. M., L. Zhao, S. Keller, A. Fisher, J. S. Speck, and U. K. Mishra, "Strain relaxation in InxGa1-xAs lattice engineered substrates", Journal of Electronic Materials, vol. 28, no. 7: The Metals, Minerals, and Materials Society, pp. 1050–1051, 1999.
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
Shen, L., S. Heikman, Y. Wu, D. Buttari, R. Coffie, A. Chini, L. McCarthy, S. Keller, J. Speck, and U. Mishra, "GaN/AlGaN/GaN heterostructure and its application to the dispersion removal in HEMTs", Abstracts of 2003 MRS Spring Meeting, pp. 81, 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.
2005
Chakraborty, A., B. A. Haskell, S. Keller, J. S. Speck, S. P. DenBaars, S. Nakamura, and U. K. Mishra, "Demonstration of nonpolar m-plane InGaN/GaN light-emitting diodes on free-standing m-plane GaN substrates", Japanese journal of applied physics, vol. 44, no. 1L: IOP Publishing, pp. L173, 2005.
Heikman, S., S. Keller, S. Newman, Y. Wu, C. Moe, B. Moran, M. Schmidt, U. K. Mishra, J. S. Speck, and S. P. DenBaars, "Epitaxial lateral overgrowth of high Al composition AlGaN alloys on deep grooved SiC substrates", Japanese journal of applied physics, vol. 44, no. 3L: IOP Publishing, pp. L405, 2005.
Keller, S., P. Cantu, C. Moe, Y. Wu, S. Keller, U. K. Mishra, J. S. Speck, and S. P. DenBaars, "Metalorganic chemical vapor deposition conditions for efficient silicon doping in high Al-composition AlGaN films", Japanese journal of applied physics, vol. 44, no. 10R: IOP Publishing, pp. 7227, 2005.
Moe, C. G., H. Masui, M. C. Schmidt, L. Shen, B. Moran, S. Newman, K. Vampola, T. Mates, S. Keller, J. S. Speck, et al., "Milliwatt power deep ultraviolet light emitting diodes grown on silicon carbide", Japanese journal of applied physics, vol. 44, no. 4L: IOP Publishing, pp. L502, 2005.
Chakraborty, A., S. Keller, C. Meier, B. A. Haskell, S. Keller, P. Waltereit, S. P. DenBaars, S. Nakamura, J. S. Speck, and U. K. Mishra, "Properties of nonpolar a-plane InGaN/ GaN multiple quantum wells grown on lateral epitaxially overgrown a-plane GaN", Applied Physics Letters, vol. 86, no. 3: AIP, pp. 031901, 2005.
2006
Moe, C. G., Y. Wu, J. Piprek, S. Keller, J. S. Speck, S. P. DenBaars, and D. Emerson, "AlGaN/AlN distributed bragg reflectors for deep ultraviolet wavelengths", physica status solidi (a), vol. 203, no. 8: Wiley Online Library, pp. 1915–1919, 2006.
Moe, C. G., Y. Wu, S. Keller, J. S. Speck, S. P. DenBaars, and D. Emerson, "Crystal quality and growth evolution of aluminum nitride on silicon carbide", physica status solidi (a), vol. 203, no. 7: Wiley Online Library, pp. 1708–1711, 2006.
Keller, S., N. Fichtenbaum, F. Wu, G. Lee, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "Effect of the Nucleation Conditions on the Polarity of AlN and GaN Films Grown on C-face 6H–SiC", Japanese journal of applied physics, vol. 45, no. 3L: IOP Publishing, pp. L322, 2006.
Craven, M. D., S. Keller, S. P. DenBaars, T. Margalith, J. Stephen Speck, S. Nakamura, and U. K. Mishra, Non-polar (Al, B, In, Ga) N quantum well and heterostructure materials and devices, 2006.
Chakraborty, A., B. A. Haskell, H. Masui, S. Keller, J. S. Speck, S. P. DenBaars, S. Nakamura, and U. K. Mishra, "Nonpolar m-plane blue-light-emitting diode lamps with output power of 23.5 mW under pulsed operation", Japanese journal of applied physics, vol. 45, no. 2R: IOP Publishing, pp. 739, 2006.
Chichibu, S. F., A. Uedono, T. Onuma, B. A. Haskell, A. Chakraborty, T. Koyama, P. T. Fini, S. Keller, S. P. DenBaars, J. S. Speck, et al., "Origin of defect-insensitive emission probability in In-containing (Al, In, Ga) N alloy semiconductors", Nature materials, vol. 5, no. 10: Nature Publishing Group, pp. 810, 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.
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.
Chakraborty, A., B. A. Haskell, S. Keller, J. Stephen Speck, S. P. DenBaars, S. Nakamura, and U. Kumar Mishra, Fabrication of nonpolar indium gallium nitride thin films, heterostructures and devices by metalorganic chemical vapor deposition, 2007.
Chu, R., C. Soo Suh, M. Hoi Wong, N. Fichtenbaum, D. Brown, L. McCarthy, S. Keller, F. Wu, J. S. Speck, and U. K. Mishra, "Impact of $$\backslash$hbox ${$CF$}$ _ ${$4$}$ $ Plasma Treatment on GaN", IEEE Electron Device Letters, vol. 28, no. 9: IEEE, pp. 781–783, 2007.
Ikeda, H., T. Okamura, K. Matsukawa, T. Sota, M. Sugawara, T. Hoshi, P. Cantu, R. Sharma, J. F. Kaeding, S. Keller, et al., "Impact of strain on free-exciton resonance energies in wurtzite AlN", Journal of Applied Physics, vol. 102, no. 12: AIP, pp. 123707, 2007.
Wong, M. Hoi, Y. Pei, T. Palacios, L. Shen, A. Chakraborty, L. S. McCarthy, S. Keller, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "Low nonalloyed Ohmic contact resistance to nitride high electron mobility transistors using N-face growth", Applied Physics Letters, vol. 91, no. 23: AIP, pp. 232103, 2007.
Fichtenbaum, N. A., C. J. Neufeld, C. Schaake, Y. Wu, M. Hoi Wong, M. Grundmann, S. Keller, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "Metalorganic chemical vapor deposition regrowth of InGaN and GaN on N-polar pillar and stripe nanostructures", Japanese journal of applied physics, vol. 46, no. 3L: IOP Publishing, pp. L230, 2007.
Wong, M. Hoi, S. Rajan, RM. Chu, T. Palacios, C-S. Suh, L. S. McCarthy, S. Keller, J. S. Speck, and U. K. Mishra, "N-face high electron mobility transistors with a GaN-spacer", physica status solidi (a), vol. 204, no. 6: Wiley Online Library, pp. 2049–2053, 2007.
Rajan, S., E. Hsieh, M. Hoi Wong, S. Keller, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "N-polar GaN Electronics", Physics of Semiconductor Devices, 2007. IWPSD 2007. International Workshop on: IEEE, pp. 368–368, 2007.

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