Publications

Found 161 results
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2011
Young, E. C., A. E. Romanov, and J. S. Speck, "Semiconductors, dielectrics, and organic materials-061001 Determination of Composition and Lattice Relaxation in Semipolar Ternary (In, Al, Ga) N Strained Layers from Symmetric X-ray Diffraction Measurements", Applied Physics Express, vol. 4, no. 6, 2011.
Chung, R. B., O. Bierwagen, F. Wu, S. Keller, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Semiconductors, dielectrics, and organic materials-101001 Temperature Dependent Capacitance-Voltage Analysis of Unintentionally Doped and Si Doped Al0. 82 In0. 18N Grown on GaN", Japanese Journal of Applied Physics, vol. 50, no. 10, 2011.
Chung, R., E. Young, D. Haeger, S. DenBaars, J. Speck, and D. Cohen, "Semipolar AlGaN Buffers for Deep Ultraviolet Diode Lasers", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 2011.
Chung, R. B., E. C. Young, D. A. Haeger, S. P. DenBaars, J. S. Speck, and D. A. Cohen, "Semipolar AlN on bulk GaN for UV-C diode lasers", Quantum Electronics and Laser Science Conference: Optical Society of America, pp. JTuB2, 2011.
Tyagi, A., R. M. Farrell, C-Y. Huang, P. Shan Hsu, D. A. Haeger, K. M. Kelchner, H. Ohta, S. Nakamura, S. P. DenBaars, and J. S. Speck, Semipolar iii-nitride laser diodes with etched mirrors, 2011.
Drabold, D. A., A. L. Efros, E. Fortunato, B. Gil, S. T. B. Gönnenwein, N. Grandjean, M. J Gregg, A. Hoffmann, A. A. Kaminskii, C-S. Lee, et al., Stefan Hildebrandt Ingeborg Stass: Wiley Online Library, 2011.
Koslow, I., M. Hardy, P-S. Hsu, E. Young, S. Nakamura, J. Speck, and S. DenBaars, "Strain Relaxation in Semipolar Nitrides for Optoelectronic Device Applications", Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States.[np]. Jun: Minerals, Metals and Materials Society/AIME, 420 Commonwealth Dr., P. O. Box 430 Warrendale PA 15086 United States, 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.
Farrell, R. M., M. T. Hardy, H. Ohta, S. P. DenBaars, J. S. Speck, and S. Nakamura, Structure for Improving the Mirror Facet Cleaving Yield of (Ga, Al, In, B) N Laser Diodes Grown on Nonpolar or Semipolar (Ga, Al, In, B) N Substrates, 2011.
Hardy, M. T., Y-. Da Lin, H. Ohta, S. P. DenBaars, J. S. Speck, S. Nakamura, and K. M. Kelchner, Superluminescent diodes by crystallographic etching, 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.
Wu, F., Y-. Da Lin, A. Chakraborty, H. Ohta, S. P. DenBaars, S. Nakamura, and J. S. Speck, "Stacking fault formation in the long wavelength InGaN/GaN multiple quantum wells grown on m-plane GaN", Applied Physics Letters, vol. 96, no. 23: AIP, pp. 231912, 2010.
Raring, J. W., E. M. Hall, M. C. Schmidt, C. Poblenz, B. Li, N. Pfister, D. Kebort, Y-C. Chang, D. F. Feezell, R. Craig, et al., "State-of-the-art continuous-wave InGaN laser diodes in the violet, blue, and green wavelength regimes", Laser Technology for Defense and Security VI, vol. 7686: International Society for Optics and Photonics, pp. 76860L, 2010.
Nagata, T., O. Bierwagen, M. E. White, M-Y. Tsai, and J. S. Speck, "Study of the Au Schottky contact formation on oxygen plasma treated n-type SnO 2 (101) thin films", Journal of Applied Physics, vol. 107, no. 3: AIP, pp. 033707, 2010.
Linhart, WM., TD. Veal, PDC. King, G. Koblmüller, CS. Gallinat, JS. Speck, and CF. McConville, "Surface, bulk, and interface electronic properties of nonpolar InN", Applied Physics Letters, vol. 97, no. 11: AIP, pp. 112103, 2010.
White, M. E., O. Bierwagen, M-Y. Tsai, and J. S. Speck, "Synthesis and characterization of highly resistive epitaxial indium-doped SnO2", Applied physics express, vol. 3, no. 5: IOP Publishing, pp. 051101, 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.
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.
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.
Hashimoto, T., F. Wu, M. Saito, K. Fujito, J. S. Speck, and S. Nakamura, "Status and perspectives of the ammonothermal growth of GaN substrates", Journal of Crystal Growth, vol. 310, no. 5: Elsevier, pp. 876–880, 2008.
Ive, T., T. Ben-Yaacov, CG. Van de Walle, UK. Mishra, SP. DenBaars, and JS. Speck, "Step-flow growth of ZnO (0 0 0 1) on GaN (0 0 0 1) by metalorganic chemical vapor epitaxy", Journal of Crystal Growth, vol. 310, no. 15: North-Holland, pp. 3407–3412, 2008.
Tyagi, A., Y-. Da Lin, D. A. Cohen, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Stimulated emission at blue-green (480 nm) and green (514 nm) wavelengths from nonpolar (m-plane) and semipolar (1122) InGaN multiple quantum well laser diode structures", Applied physics express, vol. 1, no. 9: IOP Publishing, pp. 091103, 2008.
Corrion, AL., C. Poblenz, F. Wu, and JS. Speck, "Structural and morphological properties of GaN buffer layers grown by ammonia molecular beam epitaxy on SiC substrates for AlGaN/GaN high electron mobility transistors", Journal of Applied Physics, vol. 103, no. 9: AIP, pp. 093529, 2008.

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