Publications

Found 158 results
Author Title Type [ Year(Asc)]
Filters: Author is Mishra, Umesh K  [Clear All Filters]
2011
Roy, T., Y. S. Puzyrev, E. Xia Zhang, S. DasGupta, S. A. Francis, D. M. Fleetwood, R. D. Schrimpf, U. K. Mishra, J. S. Speck, and S. T. Pantelides, "1/f Noise in GaN HEMTs grown under Ga-rich, N-rich, and NH3-rich conditions", Microelectronics Reliability, vol. 51, no. 2: Pergamon, pp. 212–216, 2011.
Farrell, R. M., D. A. Haeger, P. Shan Hsu, M. T. Hardy, K. M. Kelchner, K. Fujito, D. F. Feezell, U. K. Mishra, S. P. DenBaars, J. S. Speck, et al., "AlGaN-cladding-free m-plane InGaN/GaN laser diodes with p-type AlGaN etch stop layers", Applied physics express, vol. 4, no. 9: IOP Publishing, pp. 092105, 2011.
Wong, M. Hoi, U. Singisetti, J. Lu, J. S. Speck, and U. K. Mishra, "Anomalous output conductance in N-polar GaN-based MIS-HEMTs", Device Research Conference (DRC), 2011 69th Annual: IEEE, pp. 211–212, 2011.
Kaun, S. W., M. Hoi Wong, S. Dasgupta, S. Choi, R. Chung, U. K. Mishra, and J. S. Speck, "Device physics-024101 Effects of Threading Dislocation Density on the Gate Leakage of AlGaN/GaN Heterostructures for High Electron Mobility Transistors", Applied Physics Express, vol. 4, no. 2, 2011.
Neufeld, C. J., S. C. Cruz, R. M. Farrell, M. Iza, J. R. Lang, S. Keller, S. Nakamura, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "Effect of doping and polarization on carrier collection in InGaN quantum well solar cells", Applied Physics Letters, vol. 98, no. 24: AIP, pp. 243507, 2011.
Kaun, S. W., M. Hoi Wong, S. Dasgupta, S. Choi, R. Chung, U. K. Mishra, and J. S. Speck, "Effects of threading dislocation density on the gate leakage of AlGaN/GaN heterostructures for high electron mobility transistors", Applied physics express, vol. 4, no. 2: IOP Publishing, pp. 024101, 2011.
Fujiwara, T., R. Yeluri, D. Denninghoff, J. Lu, S. Keller, J. S. Speck, S. P. DenBaars, and U. K. Mishra, "Enhancement-mode m-plane AlGaN/GaN heterojunction field-effect transistors with+ 3 V of threshold voltage using Al2O3 deposited by atomic layer deposition", Applied physics express, vol. 4, no. 9: IOP Publishing, pp. 096501, 2011.
Singisetti, U., M. Hoi Wong, S. Dasgupta, J. S. Speck, and U. K. Mishra, "Enhancement-mode N-polar GaN metal–insulator–semiconductor field effect transistors with current gain cutoff frequency of 120 GHz", Applied physics express, vol. 4, no. 2: IOP Publishing, pp. 024103, 2011.
Singisetti, U., M. Hoi Wong, S. Dasgupta, B. Swenson, B. J. Thibeault, J. S. Speck, U. K. Mishra, and others, "Enhancement-mode N-polar GaN MISFETs with self-aligned source/drain regrowth", IEEE Electron Device Letters, vol. 32, no. 2: IEEE, pp. 137–139, 2011.
Dasgupta, S., A. Raman, J. S. Speck, U. K. Mishra, and others, "Experimental demonstration of III-nitride hot-electron transistor with GaN base", IEEE Electron Device Letters, vol. 32, no. 9: IEEE, pp. 1212–1214, 2011.
Keller, S., Y. Dora, S. Chowdhury, F. Wu, X. Chen, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "Growth and characterization of N-polar GaN and AlGaN/GaN HEMTs on (111) silicon", physica status solidi (c), vol. 8, no. 7-8: Wiley Online Library, pp. 2086–2088, 2011.
Dasgupta, S., S. Choi, F. Wu, J. S. Speck, U. K. Mishra, and others, "Growth, structural, and electrical characterizations of N-polar InAlN by plasma-assisted molecular beam epitaxy", Applied physics express, vol. 4, no. 4: IOP Publishing, pp. 045502, 2011.
Toledo, N. G., S. C. Cruz, C. J. Neufeld, J. R. Lang, M. A. Scarpulla, T. Buehl, A. C. Gossard, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "Integrated non-III-nitride/III-nitride tandem solar cell", Device Research Conference (DRC), 2011 69th Annual: IEEE, pp. 265–266, 2011.
Marchand, H., B. J. Moran, U. K. Mishra, and J. S. Speck, Method of controlling stress in group-iii nitride films deposited on substrates, 2011.
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, 2011.
Rajan, S., C. Soo Suh, J. S. Speck, and U. K. Mishra, N-polar aluminum gallium nitride/gallium nitride enhancement-mode field effect transistor, 2011.
Dasgupta, S., S. Keller, J. S. Speck, U. K. Mishra, and others, "N-Polar GaN/AlN MIS-HEMT With $ f_ ${$$\backslash$rm MAX$}$ $ of 204 GHz for Ka-Band Applications", IEEE Electron Device Letters, vol. 32, no. 12: IEEE, pp. 1683–1685, 2011.
Neufeld, C. J., S. C. Cruz, R. M. Farrell, M. Iza, S. Keller, S. Nakamura, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "Observation of positive thermal power coefficient in InGaN/GaN quantum well solar cells", Applied Physics Letters, vol. 99, no. 7: AIP, pp. 071104, 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.
Singisett, U., M. Hoi Wong, J. S. Speck, and U. K. Mishra, "Vertically scaled 5 nm GaN channel enhancement-mode N-polar GaN MOS-HFET with 560 mS/mm g m and 0.76 Ω-mm R on", Device Research Conference (DRC), 2011 69th Annual: IEEE, pp. 1–2, 2011.

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