Publications

Found 333 results
Author Title Type [ Year(Desc)]
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2009
Akopian, N., A. Vardi, G. Bahir, V. Garber, E. Ehrenfreund, D. Gershoni, C. Poblenz, CR. Elsass, IP. Smorchkova, and JS. Speck, "Fermi edge singularity observed in GaN/AlGaN heterointerfaces", Applied Physics Letters, vol. 94, no. 22: AIP, pp. 223502, 2009.
Ben-Yaacov, T., T. Ive, C. G. Van de Walle, U. K. Mishra, J. S. Speck, and S. P. DenBaars, "Growth of In-doped ZnO films by metalorganic chemical vapor deposition on GaN (0001) templates", physica status solidi (c), vol. 6, no. 6: Wiley Online Library, pp. 1464–1467, 2009.
Wong, M. Hoi, Y. Pei, D. F. Brown, S. Keller, J. S. Speck, and U. K. Mishra, "High performance MBE-grown N-face microwave GaN HEMTs with> 70% PAE", Device Research Conference, 2009. DRC 2009: IEEE, pp. 157–158, 2009.
Wong, M. Hoi, Y. Pei, D. F. Brown, S. Keller, J. S. Speck, and U. K. Mishra, "High-performance N-face GaN microwave MIS-HEMTs with> 70% power-added efficiency", IEEE Electron Device Letters, vol. 30, no. 8: IEEE, pp. 802–804, 2009.
Ive, T., T. Ben-Yaacov, C. G. Van de Walle, U. K. Mishra, S. P. DenBaars, and J. S. Speck, "Homoepitaxial growth and characterization of ZnO (0001) thin films grown by metalorganic chemical vapor epitaxy", physica status solidi (c), vol. 6, no. 6: Wiley Online Library, pp. 1460–1463, 2009.
Newman, S. A., D. S. Kamber, T. J. Baker, Y. Wu, F. Wu, Z. Chen, S. Namakura, J. S. Speck, and S. P. DenBaars, "Lateral epitaxial overgrowth of (0001) AlN on patterned sapphire using hydride vapor phase epitaxy", Applied Physics Letters, vol. 94, no. 12: AIP, pp. 121906, 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.
Tyagi, A., F. Wu, E. C. Young, A. Chakraborty, H. Ohta, R. Bhat, K. Fujito, S. P. DenBaars, S. Nakamura, and J. S. Speck, "Partial strain relaxation via misfit dislocation generation at heterointerfaces in (Al, In) GaN epitaxial layers grown on semipolar (11 2\= 2) GaN free standing substrates", Applied Physics Letters, vol. 95, no. 25: AIP, pp. 251905, 2009.
Bierwagen, O., M. E. White, M-Y. Tsai, and J. S. Speck, "Plasma-assisted molecular beam epitaxy of high quality In 2 O 3 (001) thin films on Y-Stabilized ZrO 2 (001) using in as an auto surfactant", Applied Physics Letters, vol. 95, no. 26: AIP, pp. 262105, 2009.
Masui, H., D. S. Kamber, S. E. Brinkley, F. Wu, T. J. Baker, H. Zhong, M. Iza, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Spontaneous formation of ${$1 1Ø 0 1$}$ InGaN quantum wells on a (1 1 2Ø 2) GaN template and their electroluminescence characteristics", Semiconductor Science and Technology, vol. 25, no. 1: IOP Publishing, pp. 015003, 2009.
Masui, H., D. S. Kamber, S. E. Brinkley, F. Wu, T. J. Baker, H. Zhong, M. Iza, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Spontaneous formation of ${$1 1Ø 0 1$}$ InGaN quantum wells on a (1 1 2Ø 2) GaN template and their electroluminescence characteristics", Semiconductor Science and Technology, vol. 25, no. 1: IOP Publishing, pp. 015003, 2009.
Nagata, T., G. Koblmüller, O. Bierwagen, C. S. Gallinat, and J. S. Speck, "Surface structure and chemical states of a-plane and c-plane InN films", Applied Physics Letters, vol. 95, no. 13: AIP, pp. 132104, 2009.
2010
Young, E. C., A. E. Romanov, C. S. Gallinat, A. Hirai, G. E. Beltz, and J. S. Speck, "Anisotropy of tensile stresses and cracking in nonbasal plane Al x Ga 1- x N/GaN heterostructures", Applied Physics Letters, vol. 96, no. 4: AIP, pp. 041913, 2010.
Speck, J. S., B. A. Haskell, M. P Pattison, and T. J. Baker, Etching technique for the fabrication of thin (Al, In, Ga) N layers, 2010.
Brown, D. F., S. Keller, T. E. Mates, J. S. Speck, S. P. DenBaars, and U. K. Mishra, "Growth and characterization of In-polar and N-polar InAlN by metal organic chemical vapor deposition", Journal of Applied Physics, vol. 107, no. 3: AIP, pp. 033509, 2010.
Bierwagen, O., and J. S. Speck, "High electron mobility In 2 O 3 (001) and (111) thin films with nondegenerate electron concentration", Applied Physics Letters, vol. 97, no. 7: AIP, pp. 072103, 2010.
Kaeding, J. F., D-S. Lee, M. Iza, T. J. Baker, H. Sato, B. A. Haskell, J. S. Speck, S. P. DenBaars, S. Nakamura, and others, Method for improved growth of semipolar (Al, In, Ga, B) N, 2010.
Kaeding, J. F., D-S. Lee, M. Iza, T. J. Baker, H. Sato, B. A. Haskell, J. S. Speck, S. P. DenBaars, and S. Nakamura, Method for improved growth of semipolar (al, in, ga, b) n, 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.
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.
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.
Schley, P., J. Räthel, E. Sakalauskas, G. Gobsch, M. Wieneke, J. Bläsing, A. Krost, G. Koblmüller, JS. Speck, and RDAM. Goldhahn, "Optical anisotropy of A-and M-plane InN grown on free-standing GaN substrates", physica status solidi (a), vol. 207, no. 5: Wiley Online Library, pp. 1062–1065, 2010.
Hurni, C. A., O. Bierwagen, J. R. Lang, B. M. McSkimming, C. S. Gallinat, E. C. Young, D. A. Browne, U. K. Mishra, and J. S. Speck, "pn junctions on Ga-face GaN grown by NH 3 molecular beam epitaxy with low ideality factors and low reverse currents", Applied Physics Letters, vol. 97, no. 22: AIP, pp. 222113, 2010.

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