Publications

Found 15 results
Author Title Type [ Year(Asc)]
Filters: Author is Mishra, Umesh K and First Letter Of Title is S  [Clear All Filters]
2012
Dasgupta, S., J. Lu, J. S. Speck, U. K. Mishra, and others, "Scaled self-aligned N-polar GaN/AlGaN MIS-HEMTs with $ f_ ${$T$}$ $ of 275 GHz", IEEE Electron Device Letters, vol. 33, no. 7: IEEE, pp. 961–963, 2012.
Dasgupta, S., J. Lu, J. S. Speck, U. K. Mishra, and others, "Self-aligned N-polar GaN/InAlN MIS-HEMTs with record extrinsic transconductance of 1105 mS/mm", IEEE Electron Device Letters, vol. 33, no. 6: IEEE, pp. 794–796, 2012.
2011
Dasgupta, S., D. F. Brown, U. Singisetti, S. Keller, J. S. Speck, U. K. Mishra, and others, "Self-aligned technology for N-polar GaN/Al (Ga) N MIS-HEMTs", IEEE Electron Device Letters, vol. 32, no. 1: IEEE, pp. 33–35, 2011.
Farrell, R. M., D. A. Haeger, P. Shan Hsu, U. K. Mishra, S. P. DenBaars, J. S. Speck, and S. Nakamura, STRUCTURE AND METHOD FOR ACHIEVING SELECTIVE ETCHING IN (Ga, Al, In, B) N LASER DIODES, 2011.
2010
Singisetti, U., M. Hoi Wong, S. Dasgupta, B. L. Swenson, B. J. Thibeault, J. S. Speck, U. K. Mishra, and others, "Scalable E-mode N-polar GaN MISFET devices and process with self-aligned source/drain regrowth", Device Research Conference (DRC), 2010: IEEE, pp. 191–192, 2010.
2009
Fujiwara, T., S. Keller, M. Higashiwaki, J. S. Speck, S. P. DenBaars, and U. K. Mishra, "Si Delta-Doped m-Plane AlGaN/GaN Heterojunction Field-Effect Transistors", Applied physics express, vol. 2, no. 6: IOP Publishing, pp. 061003, 2009.
Tamboli, A. C., M. C. Schmidt, S. Rajan, J. S. Speck, U. K. Mishra, S. P. DenBaars, and E. L. Hu, "Smooth top-down photoelectrochemical etching of m-plane GaN", Journal of The Electrochemical Society, vol. 156, no. 1: The Electrochemical Society, pp. H47–H51, 2009.
2008
Chu, R., C. Poblenz, M. Hoi Wong, S. Dasgupta, S. Rajan, Y. Pei, F. Recht, L. Shen, J. S. Speck, and U. K. Mishra, "Semiconductor, superconductor, spintronic, dielectric, and organic materials-Improved Performance of Plasma-Assisted Molecular Beam Epitaxy Grown AlGaN/GaN High Electron Mobility Transistors with Gate-Recess and CF4-Treatment", Applied Physics Express, vol. 1, no. 6, pp. 61101, 2008.
Nidhi, S. Rajan, S. Keller, F. Wu, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "Study of interface barrier of SiN x/GaN interface for nitrogen-polar GaN based high electron mobility transistors", Journal of Applied Physics, vol. 103, no. 12: AIP, pp. 124508, 2008.
2007
Chakraborty, A., B. A. Haskell, F. Wu, S. Keller, S. P. DenBaars, S. Nakamura, J. S. Speck, and U. K. Mishra, "Structural and Optical Properties of Nonpolar InGaN/GaN Multiple Quantum Wells Grown on Planar and Lateral Epitaxially Overgrown m-Plane GaN Films", Japanese Journal of Applied Physics, vol. 46, no. 2R: IOP Publishing, pp. 542, 2007.
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.
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.
2004
Waltereit, P., C. Poblenz, S. Rajan, F. Wu, U. K. Mishra, and J. S. Speck, "Structural properties of GaN buffer layers on 4H-SiC (0001) grown by plasma-assisted molecular beam epitaxy for high electron mobility transistors", Japanese journal of applied physics, vol. 43, no. 12A: IOP Publishing, pp. L1520, 2004.
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.
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.