Publications

Found 37 results
Author Title Type [ Year(Desc)]
Filters: Author is Speck, James S.  [Clear All Filters]
2022
Wong, M. S., J. S. Speck, S. Nakamura, and S. P. DenBaars, "Progress in III-Nitride Tunnel Junctions for Optoelectronic Devices", IEEE Journal of Quantum Electronics, vol. 58, pp. 1-11, 2022.
Li, P., H. Li, M. S. Wong, P. Chan, Y. Yang, H. Zhang, M. Iza, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Progress of InGaN-Based Red Micro-Light Emitting Diodes", Crystals, vol. 12, pp. 541, 2022.
Li, P., H. Li, H. Zhang, Y. Yang, M. S. Wong, C. Lynsky, M. Iza, M. J. Gordon, J. S. Speck, S. Nakamura, et al., "Red InGaN micro-light-emitting diodes (\>620 nm) with a peak external quantum efficiency of 4.5\% using an epitaxial tunnel junction contact", Applied Physics Letters, vol. 120, 03, 2022.
Mukhopadhyay, P., I. Hatipoglu, Y. K. Frodason, J. B. Varley, M. S. Williams, D. A. Hunter, N. K. Gunasekar, P. R. Edwards, R. W. Martin, F. Wu, et al., "Role of defects in ultra-high gain in fast planar tin gallium oxide UV-C photodetector by MBE", Applied Physics Letters, vol. 121, 09, 2022.
Huynh, K., M. E. Liao, A. Mauze, T. Itoh, X. Yan, J. S. Speck, X. Pan, and M. S. Goorsky, "Surface reaction dependence of molecular beam epitaxy grown aluminum on various orientations of β-Ga2O3", APL Materials, vol. 10, 01, 2022.
2023
Itoh, T., A. Mauze, Y. Zhang, and J. S. Speck, "Continuous Si doping in (010) and (001) β-Ga2O3 films by plasma-assisted molecular beam epitaxy", APL Materials, vol. 11, 04, 2023.
Ho, W. Ying, A. I. Alhassan, C. Lynsky, Y. Chao Chow, D. J. Myers, S. P. DenBaars, S. Nakamura, J. Peretti, C. Weisbuch, and J. S. Speck, "Detection of hot electrons originating from an upper valley at 1.7 eV above the Γ valley in wurtzite GaN using electron emission spectroscopy", Phys. Rev. B, vol. 107, pp. 035303, Jan, 2023.
Wong, M. S., A. Raj, H-M. Chang, V. Rienzi, F. Wu, J. J. Ewing, E. S. Trageser, S. Gee, N. C. Palmquist, P. Chan, et al., "Improved wall-plug efficiency of III-nitride tunnel junction micro-light-emitting diodes with AlGaN/GaN polarization charges", AIP Advances, vol. 13, 01, 2023.
Li, P., H. Li, Y. Yang, M. S. Wong, M. Iza, M. J. Gordon, J. S. Speck, S. Nakamura, and S. P. DenBaars, "InGaN amber micrometer-scale light-emitting diodes with a peak external quantum efficiency of 5.5%", Applied Physics Express, 2023.
Sauty, M., N. Alyabyeva, C. Lynsky, Y. Chao Chow, S. Nakamura, J. S. Speck, Y. Lassailly, A. C. H. Rowe, C. Weisbuch, and J. Peretti, "Probing Local Emission Properties in InGaN/GaN Quantum Wells by Scanning Tunneling Luminescence Microscopy", physica status solidi (b), vol. 260, pp. 2200365, 2023.
Li, P., H. Li, Y. Yao, N. Lim, M. Wong, M. Iza, M. J. Gordon, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Significant Quantum Efficiency Enhancement of InGaN Red Micro-Light-Emitting Diodes with a Peak External Quantum Efficiency of up to 6%", ACS Photonics, pp. null, 2023.
Wu, F., J. Ewing, C. Lynsky, M. Iza, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Structure of V-defects in long wavelength GaN-based light emitting diodes", Journal of Applied Physics, vol. 133, 01, 2023.

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