Publications

Found 119 results
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2012
Pan, C-C., S. Tanaka, F. Wu, Y. Zhao, J. S. Speck, S. Nakamura, S. P. DenBaars, and D. Feezell, "High-power, low-efficiency-droop semipolar (2021) single-quantum-well blue light-emitting diodes", Applied Physics Express, vol. 5, no. 6: IOP Publishing, pp. 062103, 2012.
Wong, M. Hoi, F. Wu, C. A. Hurni, S. Choi, J. S. Speck, and U. K. Mishra, "Molecular beam epitaxy of InAlN lattice-matched to GaN with homogeneous composition using ammonia as nitrogen source", Applied Physics Letters, vol. 100, no. 7: AIP, pp. 072107, 2012.
Choi, S., F. Wu, R. Shivaraman, E. C. Young, and J. S. Speck, "Observation of columnar microstructure in lattice-matched InAlN/GaN grown by plasma assisted molecular beam epitaxy", Applied Physics Letters, vol. 100, no. 23: AIP, pp. 232102, 2012.
Koslow, I. L., M. T. Hardy, P. Shan Hsu, P-Y. Dang, F. Wu, A. Romanov, Y-R. Wu, E. C. Young, S. Nakamura, J. S. Speck, et al., "Performance and polarization effects in (11 2\= 2) long wavelength light emitting diodes grown on stress relaxed InGaN buffer layers", Applied Physics Letters, vol. 101, no. 12: AIP, pp. 121106, 2012.
Hardy, M. T., P. Shan Hsu, F. Wu, I. L. Koslow, E. C. Young, S. Nakamura, A. E. Romanov, S. P. DenBaars, and J. S. Speck, "Trace analysis of non-basal plane misfit stress relaxation in (20 2\= 1) and (30 3\= 1\=) semipolar InGaN/GaN heterostructures", Applied Physics Letters, vol. 100, no. 20: AIP, pp. 202103, 2012.
2011
Bryant, B. N., D. S. Kamber, F. Wu, S. Nakamura, and J. S. Speck, "Aluminum nitride grown on lens shaped patterned sapphire by hydride vapor phase epitaxy", physica status solidi (c), vol. 8, no. 5: Wiley Online Library, pp. 1463–1466, 2011.
Romanov, A. E., E. C. Young, F. Wu, A. Tyagi, C. S. Gallinat, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Basal plane misfit dislocations and stress relaxation in III-nitride semipolar heteroepitaxy", Journal of Applied Physics, vol. 109, no. 10: AIP, pp. 103522, 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.
Chung, R. B., F. Wu, R. Shivaraman, S. Keller, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Growth study and impurity characterization of AlxIn1- xN grown by metal organic chemical vapor deposition", Journal of Crystal Growth, vol. 324, no. 1: North-Holland, pp. 163–167, 2011.
Hardy, M., F. Wu, P. Shan Hsu, I. Koslow, E. Young, J. Speck, and S. DenBaars, "Observation of m-Plane Slip and Relaxation Orthogonal to the Projected c-Direction in(20-21) InGaN/GaN Partially Relaxed Layers", 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.
Wu, F., EC. Young, I. Koslow, MT. Hardy, PS. Hsu, AE. Romanov, S. Nakamura, SP. DenBaars, and JS. Speck, "Observation of non-basal slip in semipolar InxGa1-xN/GaN heterostructures", Applied Physics Letters, vol. 99, no. 25: AIP, pp. 251909, 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. B., O. Bierwagen, F. Wu, S. Keller, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Temperature Dependent Capacitance–Voltage Analysis of Unintentionally Doped and Si Doped Al0. 82In0. 18N Grown on GaN", Japanese Journal of Applied Physics, vol. 50, no. 10R: IOP Publishing, pp. 101001, 2011.
2010
Kelchner, K. M., R. M. Farrell, Y-. Da Lin, P. Shan Hsu, M. T. Hardy, F. Wu, D. A. Cohen, H. Ohta, J. S. Speck, S. Nakamura, et al., "Continuous-wave operation of pure blue AlGaN-cladding-free nonpolar InGaN/GaN laser diodes", Applied Physics Express, vol. 3, no. 9: IOP Publishing, pp. 092103, 2010.
Young, E. C., C. S. Gallinat, A. E. Romanov, A. Tyagi, F. Wu, and J. S. Speck, "Critical thickness for onset of plastic relaxation in (1122) and (2021) semipolar AlGaN heterostructures", Applied physics express, vol. 3, no. 11: IOP Publishing, pp. 111002, 2010.
Gallinat, CS., G. Koblmüller, F. Wu, and JS. Speck, "Evaluation of threading dislocation densities in In-and N-face InN", Journal of Applied Physics, vol. 107, no. 5: AIP, pp. 053517, 2010.
Da Lin, Y-., S. Yamamoto, C-Y. Huang, C-L. Hsiung, F. Wu, K. Fujito, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High quality InGaN/AlGaN multiple quantum wells for semipolar InGaN green laser diodes", Applied Physics Express, vol. 3, no. 8: IOP Publishing, pp. 082001, 2010.
Young, E. C., F. Wu, A. E. Romanov, A. Tyagi, C. S. Gallinat, S. P. DenBaars, S. Nakamura, and J. S. Speck, "Lattice tilt and misfit dislocations in (1122) semipolar GaN heteroepitaxy", Applied physics express, vol. 3, no. 1: IOP Publishing, pp. 011004, 2010.
Da Lin, Y-., S. Yamamoto, C-Y. Huang, C-L. Hsiung, F. Wu, K. Fujito, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Photonics, quantum electronics, optics, and spectroscopy 082001 High Quality InGaN/AlGaN Multiple Quantum Wells for Semipolar InGaN Green Laser Diodes", Applied Physics Express, vol. 3, no. 8, 2010.
Wong, M. Hoi, F. Wu, J. S. Speck, and U. K. Mishra, "Polarity inversion of N-face GaN using an aluminum oxide interlayer", Journal of Applied Physics, vol. 108, no. 12: AIP, pp. 123710, 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.
Dasgupta, S., Nidhi, D. F. Brown, F. Wu, S. Keller, J. S. Speck, and U. K. Mishra, "Ultralow nonalloyed ohmic contact resistance to self aligned N-polar GaN high electron mobility transistors by In (Ga) N regrowth", Applied physics letters, vol. 96, no. 14: AIP, pp. 143504, 2010.
2009
Matioli, E., M. Iza, Y-S. Choi, F. Wu, S. Keller, H. Masui, E. Hu, J. Speck, and C. Weisbuch, "GaN-based embedded 2D photonic crystal LEDs: Numerical optimization and device characterization", physica status solidi (c), vol. 6, no. S2: WILEY-VCH Verlag, 2009.
Matioli, E., S. Keller, F. Wu, Y-S. Choi, E. Hu, J. Speck, and C. Weisbuch, "Growth of embedded photonic crystals for GaN-based optoelectronic devices", Journal of Applied Physics, vol. 106, no. 2: AIP, pp. 024309, 2009.

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