Publications

Found 696 results
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2024
Rebollo, S., T. Itoh, S. Krishnamoorthy, and J. S. Speck, "Heated-H3PO4 etching of (001) Beta-Ga2O3", Applied Physics Letters, vol. 125, issue 1, 07/2024.
2023
Hamwey, R., N. Hatui, E. Akso, F. Wu, C. Clymore, S. Keller, J. S. Speck, and U. K. Mishra, "First Demonstration of an N-Polar InAlGaN/GaN HEMT", IEEE Electron Device Letters, vol. 45, issue 3, pp. 328-331, 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.
Cadena, R. M., D. R. Ball, E. X. Zhang, S. Islam, A. Senarath, M. W. McCurdy, E. Farzana, J. S. Speck, N. Karom, A. O’Hara, et al., "Low-Energy Ion-Induced Single-Event Burnout in Gallium Oxide Schottky Diodes", IEEE Transactions on Nuclear Science, vol. 70, pp. 363-369, 2023.
Farzana, E., S. Roy, N. S. Hendricks, S. Krishnamoorthy, and J. S. Speck, "Vertical PtOx/Pt/Beta-Ga2O3 Schottky diodes with high permittivity dielectric field plate for low leakage and high breakdown voltage", Applied Physics Letters, vol. 123, issue 19, 2023.
2022
Denbaars, S., M. Wong, P. Li, H. Li, J. Smith, R. White, J. Ewing, P. Shapturenka, M. Gordon, C. Lynsky, et al., "III-nitride-based RGB microLEDs for AR/VR applications", Light-Emitting Devices, Materials, and Applications XXVI: International Society for Optics and Photonics, 2022.
Denbaars, S., M. Wong, P. Li, H. Li, J. Smith, R. White, J. Ewing, P. Shapturenka, M. Gordon, C. Lynsky, et al., "III-nitride-based RGB microLEDs for AR/VR applications", Light-Emitting Devices, Materials, and Applications XXVI: International Society for Optics and Photonics, 2022.
Farzana, E., A. Bhattacharyya, N. S. Hendricks, T. Itoh, S. Krishnamoorthy, and J. S. Speck, "Oxidized metal Schottky contact with high-κ dielectric field plate for low-loss high-power vertical β-Ga2O3 Schottky diodes", APL Materials, vol. 10, 11, 2022.
Korlacki, R\l., M. Hilfiker, J. Knudtson, M. Stokey, U. Kilic, A. Mauze, Y. Zhang, J. Speck, V. Darakchieva, and M. Schubert, "Strain and Composition Dependencies of the Near-Band-Gap Optical Transitions in Monoclinic (AlxGa1−x)2O3 Alloys with Coherent Biaxial In-Plane Strain on Ga2O3(010)", Phys. Rev. Appl., vol. 18, pp. 064019, Dec, 2022.
Korlacki, R\l., M. Hilfiker, J. Knudtson, M. Stokey, U. Kilic, A. Mauze, Y. Zhang, J. Speck, V. Darakchieva, and M. Schubert, "Strain and Composition Dependencies of the Near-Band-Gap Optical Transitions in Monoclinic (AlxGa1−x)2O3 Alloys with Coherent Biaxial In-Plane Strain on Ga2O3(010)", Phys. Rev. Appl., vol. 18, pp. 064019, Dec, 2022.
Korlacki, R\l., M. Hilfiker, J. Knudtson, M. Stokey, U. Kilic, A. Mauze, Y. Zhang, J. Speck, V. Darakchieva, and M. Schubert, "Strain and Composition Dependencies of the Near-Band-Gap Optical Transitions in Monoclinic (AlxGa1−x)2O3 Alloys with Coherent Biaxial In-Plane Strain on Ga2O3(010)", Phys. Rev. Appl., vol. 18, pp. 064019, Dec, 2022.
Green, A. J., J. Speck, G. Xing, P. Moens, F. Allerstam, K. Gumaelius, T. Neyer, A. Arias-Purdue, V. Mehrotra, A. Kuramata, et al., "β-Gallium oxide power electronics", APL Materials, vol. 10, 02, 2022.
Green, A. J., J. Speck, G. Xing, P. Moens, F. Allerstam, K. Gumaelius, T. Neyer, A. Arias-Purdue, V. Mehrotra, A. Kuramata, et al., "β-Gallium oxide power electronics", APL Materials, vol. 10, 02, 2022.
Green, A. J., J. Speck, G. Xing, P. Moens, F. Allerstam, K. Gumaelius, T. Neyer, A. Arias-Purdue, V. Mehrotra, A. Kuramata, et al., "β-Gallium oxide power electronics", APL Materials, vol. 10, 02, 2022.
Green, A. J., J. Speck, G. Xing, P. Moens, F. Allerstam, K. Gumaelius, T. Neyer, A. Arias-Purdue, V. Mehrotra, A. Kuramata, et al., "β-Gallium oxide power electronics", APL Materials, vol. 10, 02, 2022.
2021
Wong, M. S., D. Melchert, M. Haggmark, D. Myers, C. Lee, S. Grandrothula, M. de Vries, D. Gianola, M. Begley, T. Magarlith, et al., "Acousto-fluidic assembly of III-nitride micro-light-emitting diodes with magnetic alignment", Light-Emitting Devices, Materials, and Applications XXV: International Society for Optics and Photonics, 2021.
Wong, M. S., D. Melchert, M. Haggmark, D. Myers, C. Lee, S. Grandrothula, M. de Vries, D. Gianola, M. Begley, T. Magarlith, et al., "Acousto-fluidic assembly of III-nitride micro-light-emitting diodes with magnetic alignment", Light-Emitting Devices, Materials, and Applications XXV: International Society for Optics and Photonics, 2021.
Monavarian, M., J. Xu, M. Khoury, F. Wu, P. De Mierry, P. Vennéguès, M. A. Belkin, and J. S. Speck, "Defect Tolerance of Intersubband Transitions in Nonpolar $\mathrmGa\mathrmN/(\mathrmAl,\mathrmGa)\mathrmN$ Heterostructures: A Path toward Low-Cost and Scalable Mid- to Far-Infrared Optoelectronics", Phys. Rev. Appl., vol. 16, pp. 054040, Nov, 2021.
Wong, M. S., N. C. Palmquist, J. Jiang, P. Chan, C. Lee, P. Li, J. Hun Kang, Y. Hyun Baek, C. Hon Kim, D. A. Cohen, et al., "Effects of activation method and temperature to III-nitride micro-light-emitting diodes with tunnel junction contacts grown by metalorganic chemical vapor deposition", Applied Physics Letters, vol. 119, 11, 2021.
Wong, M. S., N. C. Palmquist, J. Jiang, P. Chan, C. Lee, P. Li, J. Hun Kang, Y. Hyun Baek, C. Hon Kim, D. A. Cohen, et al., "Effects of activation method and temperature to III-nitride micro-light-emitting diodes with tunnel junction contacts grown by metalorganic chemical vapor deposition", Applied Physics Letters, vol. 119, 11, 2021.
Wong, M. S., J. S. Speck, S. Nakamura, and S. P. DenBaars, "High efficiency of III-nitride and AlGaInP micro-light-emitting diodes using atomic layer deposition", Light-Emitting Devices, Materials, and Applications XXV: International Society for Optics and Photonics, 2021.
Wong, M. S., J. S. Speck, S. Nakamura, and S. P. DenBaars, "High efficiency of III-nitride and AlGaInP micro-light-emitting diodes using atomic layer deposition", Light-Emitting Devices, Materials, and Applications XXV: International Society for Optics and Photonics, 2021.
Kamikawa, T., S. Gandrothula, H. Li, B. V. Olivia, F. Wu, D. Cohen, J. S. Speck, S. P. DenBaars, and S. Nakamura, "New fabrication method of InGaN laser diode by epitaxial lateral overgrowth and cleavable technique from free-standing non- and semi-polar GaN substrate", Gallium Nitride Materials and Devices XVI: International Society for Optics and Photonics, 2021.
Gandrothula, S., T. Kamikawa, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Study of surface roughness of lifted-off epitaxial lateral overgrown GaN layers for the n-DBR mirror of a III-nitride vertical-cavity surface emitting laser", Applied Physics Express, vol. 14, pp. 031002, feb, 2021.
Montgomery, R. H., Y. Zhang, C. Yuan, S. Kim, J. Shi, T. Itoh, A. Mauze, S. Kumar, J. Speck, and S. Graham, "Thermal management strategies for gallium oxide vertical trench-fin MOSFETs", Journal of Applied Physics, vol. 129, pp. 085301, 2021.

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