Publications

Found 30 results
Author Title Type [ Year(Asc)]
Filters: Author is Speck, James S and First Letter Of Title is N  [Clear All Filters]
2018
Han, S-H., A. Mauze, E. Ahmadi, T. Mates, Y. Oshima, and J. S. Speck, "n-type dopants in (001) β-Ga2O3 grown on (001) β-Ga2O3 substrates by plasma-assisted molecular beam epitaxy", Semiconductor Science and Technology, vol. 33, no. 4: IOP Publishing, pp. 045001, 2018.
2017
Bonef, B., R. Cramer, and J. S. Speck, "Nanometer scale composition study of MBE grown BGaN performed by atom probe tomography", Journal of Applied Physics, vol. 121, no. 22: AIP Publishing, pp. 225701, 2017.
Rolland, N., F. Vurpillot, S. Duguay, B. Mazumder, J. S. Speck, and D. Blavette, "New Atom Probe Tomography Reconstruction Algorithm for Multilayered Samples: Beyond the Hemispherical Constraint", Microscopy and Microanalysis, vol. 23, no. 2: Cambridge University Press, pp. 247–254, 2017.
Forman, C. A., S. Lee, E. C. Young, J. T. Leonard, D. A. Cohen, B. P. Yonkee, T. Margalith, R. M. Farrell, S. P. DenBaars, J. S. Speck, et al., "Nonpolar GaN-based vertical-cavity surface-emitting lasers", Photonics Conference (IPC), 2017 IEEE: IEEE, pp. 233–234, 2017.
2016
Speck, J. S., New Faces of GaN: Growth, Doping and Devices, 2016.
Von Dollen, P., S. Pimputkar, M. Abo Alreesh, H. Albrithen, S. Suihkonen, S. Nakamura, and J. S. Speck, "A new system for sodium flux growth of bulk GaN. Part I: System development", Journal of Crystal Growth, vol. 456: North-Holland, pp. 58–66, 2016.
Von Dollen, P., S. Pimputkar, M. Abo Alreesh, S. Nakamura, and J. S. Speck, "A new system for sodium flux growth of bulk GaN. Part II: in situ investigation of growth processes", Journal of Crystal Growth, vol. 456: North-Holland, pp. 67–72, 2016.
2015
Ahmadi, E., F. Wu, H. Li, S. W. Kaun, M. Tahhan, K. Hestroffer, S. Keller, J. S. Speck, and U. K. Mishra, "N-face GaN/AlN/GaN/InAlN and GaN/AlN/AlGaN/GaN/InAlN high-electron-mobility transistor structures grown by plasma-assisted molecular beam epitaxy on vicinal substrates", Semiconductor Science and Technology, vol. 30, no. 5: IOP Publishing, pp. 055012, 2015.
DenBaars, S. P., M. C. Schmidt, K. Choong Kim, J. S. Speck, and S. Nakamura, Non-polar and semi-polar light emitting devices, 2015.
2012
Craven, M. D., S. Keller, S. P. DenBaars, T. Margalith, J. S. Speck, S. Nakamura, and U. K. Mishra, Non-polar (Al, B, In, Ga) N quantum well and heterostructure materials and devices, may # " 29", 2012.
2011
Haeger, D. A., C. Holder, R. M. Farrell, P. Shan Hsu, K. M. Kelchner, K. Fujito, D. A. Cohen, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Near UV AlGaN-cladding free nonpolar InGaN/GaN laser diodes", Device Research Conference (DRC), 2011 69th Annual: IEEE, pp. 261–262, 2011.
Pimputkar, S., D. S. Kamber, J. S. Speck, and S. Nakamura, Novel vessel designs and relative placements of the source material and seed crystals with respect to the vessel for the ammonothermal growth of group-iii nitride crystals, 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.
2010
Wong, M. Hoi, Y. Pei, D. Brown, J. S. Speck, U. K. Mishra, M. L. Schuette, H. Kim, V. Balasubramanian, and W. Lu, "N-face GaN-based microwave metal-insulator-semiconductor high electron mobility transistors by plasma-assisted molecular beam epitaxy", Proceedings of CS MANTECH Conference. Oregon, USA, pp. 189–192, 2010.
Metcalfe, G. D., H. Shen, M. Wraback, A. Hirai, G. Koblmüller, C. S. Gallinat, and J. S. Speck, "Nitride semiconductors as terahertz sources based on spontaneous and piezoelectric polarization", physica status solidi (c), vol. 7, no. 10: Wiley Online Library, pp. 2455–2458, 2010.
Dasgupta, S., Y. Pei, B. L. Swenson, S. Keller, J. S. Speck, U. K. Mishra, and others, "N-polar GaN/AlN MIS-HEMT for Ka-band power applications", IEEE Electron Device Letters, vol. 31, no. 12: IEEE, pp. 1437–1439, 2010.
Mishra, U. K., M. Hoi Wong, S. Dasgupta, D. F. Brown, B. L. Swenson, S. Keller, J. S. Speck, and others, "N-polar GaN-based MIS-HEMTs for mixed signal applications", Microwave Symposium Digest (MTT), 2010 IEEE MTT-S International: IEEE, pp. 1130–1133, 2010.
Bierwagen, O., and J. S. Speck, "Nucleation of islands and continuous high-quality In 2 O 3 (001) films during plasma-assisted molecular beam epitaxy on Y-stabilized ZrO 2 (001)", Journal of Applied Physics, vol. 107, no. 11: AIP, pp. 113519, 2010.
2009
Bierwagen, O., M. E. White, M-Y. Tsai, T. Nagata, and J. S. Speck, "Non-alloyed Schottky and ohmic contacts to as-grown and oxygen-plasma treated n-type SnO2 (110) and (101) thin films", Applied Physics Express, vol. 2, no. 10: IOP Publishing, pp. 106502, 2009.
Dasgupta, S., D. F. Brown, S. Keller, J. S. Speck, U. K. Mishra, and others, "N-polar GaN-based highly scaled self-aligned MIS-HEMTs with state-of-the-art f T. L G product of 16.8 GHz-μm", Electron Devices Meeting (IEDM), 2009 IEEE International: IEEE, pp. 1–3, 2009.
2008
Wong, M. Hoi, Y. Pei, R. Chu, S. Rajan, B. L. Swenson, D. F. Brown, S. Keller, S. P. DenBaars, J. S. Speck, and U. K. Mishra, "N-face metal–insulator–semiconductor high-electron-mobility transistors with AlN back-barrier", IEEE Electron Device Letters, vol. 29, no. 10: IEEE, pp. 1101–1104, 2008.
Masui, H., H. Yamada, K. Iso, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Non-polar-oriented InGaN light-emitting diodes for liquid-crystal-display backlighting", Journal of the Society for Information Display, vol. 16, no. 4: Wiley Online Library, pp. 571–578, 2008.
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., A. Chini, M. Hoi Wong, J. S. Speck, and U. K. Mishra, "N-polar Ga N/ Al Ga N/ Ga N high electron mobility transistors", Journal of Applied Physics, vol. 102, no. 4: AIP, pp. 044501, 2007.

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