Publications

Found 1602 results
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2017
Kelchner, K. M., J. S. Speck, N. A. Pfaff, and S. P. DenBaars, White light source employing a III-nitride based laser diode pumping a phosphor, 2017.
Jiang, R., E. Xia Zhang, M. W. McCurdy, J. Chen, X. Shen, P. Wang, D. M. Fleetwood, R. D. Schrimpf, S. W. Kaun, E. C. H. Kyle, et al., "Worst-case bias for proton and 10-keV X-ray irradiation of AlGaN/GaN HEMTs", IEEE Transactions on Nuclear Science, vol. 64, no. 1: IEEE, pp. 218–225, 2017.
2016
Chen, J., YS. Puzyrev, EX. Zhang, DM. Fleetwood, RD. Schrimpf, AR. Arehart, SA. Ringel, SW. Kaun, ECH. Kyle, JS. Speck, et al., "Absil, P., see Karmarkar, AP, TDMR Sept. 2016 402-412 Ahmed, S., see Kuhns, N., TDMR June 2016 105-111 Akbari, M., Virkki, J., Sydanheimo, L., and Ukkonen, L., Toward Graphene-Based Passive UHF RFID Textile Tags: A Reliability Study; TDMR Sept. 2016 429-4", IEEE Transactions on Device and Materials Reliability, vol. 16, no. 4, pp. 1, 2016.
Malkowski, T. F., S. Pimputkar, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Acidic ammonothermal growth of gallium nitride in a liner-free molybdenum alloy autoclave", Journal of Crystal Growth, vol. 456: North-Holland, pp. 21–26, 2016.
NiO, S-transparent., "applications and materials science", Phys. Status Solidi A, vol. 1, no. x2215, pp. x0029, 2016.
Pimputkar, S., JS. Speck, and S. Nakamura, "Basic ammonothermal GaN growth in molybdenum capsules", Journal of Crystal Growth, vol. 456: North-Holland, pp. 15–20, 2016.
Young, EC., N. Grandjean, TE. Mates, and JS. Speck, "Calcium impurity as a source of non-radiative recombination in (In, Ga) N layers grown by molecular beam epitaxy", Applied Physics Letters, vol. 109, no. 21: AIP Publishing, pp. 212103, 2016.
Hogan, J. E., S. W. Kaun, E. Ahmadi, Y. Oshima, and J. S. Speck, "Chlorine-based dry etching of β-Ga2O3", Semiconductor Science and Technology, vol. 31, no. 6: IOP Publishing, pp. 065006, 2016.
Leonard, JT., EC. Young, BP. Yonkee, DA. Cohen, C. Shen, T. Margalith, T. Khee Ng, SP. DenBaars, B. S. Ooi, JS. Speck, et al., "Comparison of nonpolar III-nitride vertical-cavity surface-emitting lasers with tunnel junction and ITO intracavity contacts", Gallium Nitride Materials and Devices XI, vol. 9748: International Society for Optics and Photonics, pp. 97481B, 2016.
Oshima, Y., E. Ahmadi, S. C. Badescu, F. Wu, and J. S. Speck, "Composition determination of β-(Al x Ga1- x) 2O3 layers coherently grown on (010) β-Ga2O3 substrates by high-resolution X-ray diffraction", Applied Physics Express, vol. 9, no. 6: IOP Publishing, pp. 061102, 2016.
Zhang, Z., D. Cardwell, A. Sasikumar, ECH. Kyle, J. Chen, EX. Zhang, DM. Fleetwood, RD. Schrimpf, JS. Speck, AR. Arehart, et al., "Correlation of proton irradiation induced threshold voltage shifts to deep level traps in AlGaN/GaN heterostructures", Journal of Applied Physics, vol. 119, no. 16: AIP Publishing, pp. 165704, 2016.
Smirnov, AM., EC. Young, VE. Bougrov, JS. Speck, and AE. Romanov, "Critical thickness for the formation of misfit dislocations originating from prismatic slip in semipolar and nonpolar III-nitride heterostructures", APL Materials, vol. 4, no. 1: AIP Publishing, pp. 016105, 2016.
Foronda, H. M., A. E. Romanov, E. C. Young, C. A. Robertson, G. E. Beltz, and J. S. Speck, "Curvature and bow of bulk GaN substrates", Journal of Applied Physics, vol. 120, no. 3: AIP Publishing, pp. 035104, 2016.
Foronda, H. Miguel, A. E. Romanov, E. C. Young, C. A. Robertson, G. E. Beltz, and J. S. Speck, "Curvature of HVPE c-plane grown GaN wafers in the relation to stress gradients caused by inclined threading dislocations", Compound Semiconductor Week (CSW)[Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS), 2016: IEEE, pp. 1–1, 2016.
Jiang, R., X. Shen, J. Chen, GX. Duan, EX. Zhang, DM. Fleetwood, RD. Schrimpf, SW. Kaun, ECH. Kyle, JS. Speck, et al., "Degradation and annealing effects caused by oxygen in AlGaN/GaN high electron mobility transistors", Applied Physics Letters, vol. 109, no. 2: AIP Publishing, pp. 023511, 2016.
Yonkee, B. P., E. C. Young, C. Lee, J. T. Leonard, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Demonstration of a III-nitride edge-emitting laser diode utilizing a GaN tunnel junction contact", Optics express, vol. 24, no. 7: Optical Society of America, pp. 7816–7822, 2016.
Kowsz, S. J., C. D. Pynn, F. Wu, R. M. Farrell, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Designing optically pumped InGaN quantum wells with long wavelength emission for a phosphor-free device with polarized white-light emission", Gallium Nitride Materials and Devices XI, vol. 9748: International Society for Optics and Photonics, pp. 97481Z, 2016.
Hwang, D., B. Yonkee, R. M. Farrell, S. Nakamura, J. S. Speck, and S. P. DenBaars, "Development of c-plane thin-film flip-chip LEDs fabricated by photoelectrochemical (PEC) liftoff", Compound Semiconductor Week (CSW)[Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS), 2016: IEEE, pp. 1–1, 2016.
Speck, J., "Development of β-Ga2O3 Materials", Meeting Abstracts, no. 24: The Electrochemical Society, pp. 1244–1244, 2016.
Romanov, AE., and JS. Speck, "Dislocations in LD and LED semiconductor heterostructures", Laser Optics (LO), 2016 International Conference: IEEE, pp. R3–11, 2016.
Lee, C., C. Zhang, D. L. Becerra, S. Lee, C. A. Forman, S. Ho Oh, R. M. Farrell, J. S. Speck, S. Nakamura, J. E. Bowers, et al., "Dynamic characteristics of 410 nm semipolar (20 2 1) iii-nitride laser diodes with a modulation bandwidth of over 5 ghz", Applied Physics Letters, vol. 109, no. 10: AIP Publishing, pp. 101104, 2016.
Liu, X., CM. Jackson, F. Wu, B. Mazumder, R. Yeluri, J. Kim, S. Keller, AR. Arehart, SA. Ringel, JS. Speck, et al., "Electrical and structural characterizations of crystallized Al2O3/GaN interfaces formed by in situ metalorganic chemical vapor deposition", Journal of Applied Physics, vol. 119, no. 1: AIP Publishing, pp. 015303, 2016.
Tsai, M-Y., O. Bierwagen, and J. S. Speck, "Epitaxial Sb-doped SnO2 and Sn-doped In2O3 transparent conducting oxide contacts on GaN-based light emitting diodes", Thin Solid Films, vol. 605: Elsevier, pp. 186–192, 2016.
Feneberg, M., J. Nixdorf, C. Lidig, R. Goldhahn, Z. Galazka, O. Bierwagen, and J. S. Speck, "Erratum: Many-electron effects on the dielectric function of cubic In 2 O 3: Effective electron mass, band nonparabolicity, band gap renormalization, and Burstein-Moss shift [Phys. Rev. B 93, 045203 (2016)]", Physical Review B, vol. 94, no. 23: American Physical Society, pp. 239905, 2016.
Bierwagen, O., J. Rombach, and J. S. Speck, "Faceting control by the stoichiometry influence on the surface free energy of low-index bcc-In2O3 surfaces", Journal of Physics: Condensed Matter, vol. 28, no. 22: IOP Publishing, pp. 224006, 2016.

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