Publications

Found 909 results
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2013
Liu, X., J. Kim, R. Yeluri, S. Lal, H. Li, J. Lu, S. Keller, B. Mazumder, JS. Speck, and UK. Mishra, "Fixed charge and trap states of in situ Al2O3 on Ga-face GaN metal-oxide-semiconductor capacitors grown by metalorganic chemical vapor deposition", Journal of Applied Physics, vol. 114, no. 16: AIP, pp. 164507, 2013.
Liu, X., J. Kim, R. Yeluri, S. Lal, H. Li, J. Lu, S. Keller, B. Mazumder, JS. Speck, and UK. Mishra, "Fixed charge and trap states of in situ Al2O3 on Ga-face GaN metal-oxide-semiconductor capacitors grown by metalorganic chemical vapor deposition", Journal of Applied Physics, vol. 114, no. 16: AIP, pp. 164507, 2013.
Haskell, B. A., P. T. Fini, S. Matsuda, M. D. Craven, S. P. DenBaars, J. S. Speck, and S. Nakamura, Growth of planar, non-polar, group-III nitride films, 2013.
Zhang, Z., AR. Arehart, E. Cinkilic, J. Chen, EX. Zhang, DM. Fleetwood, RD. Schrimpf, B. McSkimming, JS. Speck, and SA. Ringel, "Impact of proton irradiation on deep level states in n-GaN", Applied Physics Letters, vol. 103, no. 4: AIP, pp. 042102, 2013.
Keller, S., R. M. Farrell, M. Iza, Y. Terao, N. Young, U. K. Mishra, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Influence of the structure parameters on the relaxation of semipolar InGaN/GaN multi quantum wells", Japanese Journal of Applied Physics, vol. 52, no. 8S: IOP Publishing, pp. 08JC10, 2013.
Jackson, C. M., A. R. Arehart, E. Cinkilic, B. McSkimming, J. S. Speck, and S. A. Ringel, "Interface trap characterization of atomic layer deposition Al2O3/GaN metal-insulator-semiconductor capacitors using optically and thermally based deep level spectroscopies", Journal of Applied Physics, vol. 113, no. 20: AIP, pp. 204505, 2013.
Kaun, S. W., M. Hoi Wong, U. K. Mishra, and J. S. Speck, "Molecular beam epitaxy for high-performance Ga-face GaN electron devices", Semiconductor Science and Technology, vol. 28, no. 7: IOP Publishing, pp. 074001, 2013.
Marcinkevičius, S., Y. Zhao, KM. Kelchner, S. Nakamura, SP. DenBaars, and JS. Speck, "Near-field investigation of spatial variations of (20 2\= 1\=) InGaN quantum well emission spectra", Applied Physics Letters, vol. 103, no. 13: AIP, pp. 131116, 2013.
Marcinkevičius, S., KM. Kelchner, S. Nakamura, SP. DenBaars, and JS. Speck, "Optical properties of extended and localized states in m-plane InGaN quantum wells", Applied Physics Letters, vol. 102, no. 10: AIP, pp. 101102, 2013.
Farrell, R. M., M. C. Schmidt, K. Choong Kim, H. Masui, D. F. Feezell, J. S. Speck, S. P. DenBaars, and S. Nakamura, Optimization of laser bar orientation for nonpolar and semipolar (Ga, Al, In, B) N diode lasers, 2013.
Marcinkevičius, S., KM. Kelchner, LY. Kuritzky, S. Nakamura, SP. DenBaars, and JS. Speck, "Photoexcited carrier recombination in wide m-plane InGaN/GaN quantum wells", Applied Physics Letters, vol. 103, no. 11: AIP, pp. 111107, 2013.
Metcalfe, G., N. Woodward, H. Shen, M. Wraback, P. Shan Hsu, and J. Speck, "Photoreflectance and Strain Relaxation Studies of Semipolar InGaN", APS Meeting Abstracts, 2013.
Chen, J., Y. S. Puzyrev, C. Xuan Zhang, E. Xia Zhang, M. W. McCurdy, D. M. Fleetwood, R. D. Schrimpf, S. T. Pantelides, S. W. Kaun, E. C. H. Kyle, et al., "Proton-induced dehydrogenation of defects in AlGaN/GaN HEMTs", IEEE Transactions on Nuclear Science, vol. 60, no. 6: IEEE, pp. 4080–4086, 2013.
Kaun, SW., MH. Wong, J. Lu, UK. Mishra, and JS. Speck, "Reduction of carbon proximity effects by including AlGaN back barriers in HEMTs on free-standing GaN", Electronics Letters, vol. 49, no. 14: IET Digital Library, pp. 893–895, 2013.
Cardwell, DW., A. Sasikumar, AR. Arehart, SW. Kaun, J. Lu, S. Keller, JS. Speck, UK. Mishra, SA. Ringel, and JP. Pelz, "Spatially-resolved spectroscopic measurements of Ec- 0.57 eV traps in AlGaN/GaN high electron mobility transistors", Applied Physics Letters, vol. 102, no. 19: AIP, pp. 193509, 2013.
Connelly, B. C., N. T. Woodward, G. D. Metcalfe, L. E. Rodak, N. C. Das, M. L. Reed, A. V. Sampath, H. Shen, M. Wraback, R. M. Farrell, et al., "Study of temperature-dependent carrier transport in a p-GaN/i-InGaN/n-GaN solar cell heterostructure using ultrafast spectroscopy", Lasers and Electro-Optics (CLEO), 2013 Conference on: IEEE, pp. 1–2, 2013.
Connelly, B., N. Woodward, G. D. Metcalfe, L. E. Rodak, N. C. Das, M. Reed, A. V. Sampath, H. Shen, M. Wraback, R. M. Farrell, et al., "Temperature-dependent carrier transport in a p-GaN/i-InGaN/n-GaN solar cell heterostructure using ultrafast spectroscopy", CLEO: Science and Innovations: Optical Society of America, pp. CTh1M–7, 2013.
Metcalfe, G. D., A. Hirai, E. C. Young, J. S. Speck, H. Shen, and M. Wraback, "Terahertz studies of carrier localization in spontaneously forming polar lateral heterostructures", physica status solidi (RRL)-Rapid Research Letters, vol. 7, no. 11: Wiley Online Library, pp. 993–996, 2013.
2014
Mazumder, B., X. Liu, R. Yeluri, F. Wu, U. K. Mishra, and J. S. Speck, "Atom probe tomography studies of Al2O3 gate dielectrics on GaN", Journal of Applied Physics, vol. 116, no. 13: AIP Publishing, pp. 134101, 2014.
Mazumder, B., X. Liu, R. Yeluri, F. Wu, U. K. Mishra, and J. S. Speck, "Atom probe tomography studies of Al2O3 gate dielectrics on GaN", Journal of Applied Physics, vol. 116, no. 13: AIP Publishing, pp. 134101, 2014.
Iveland, J., J. Speck, L. Martinelli, J. Peretti, and C. Weisbuch, "Auger effect identified as main cause of efficiency droop in leds", SPIE Newsroom, pp. 1–4, 2014.
Marcinkevičius, S., K. Gelžinyt\.e, Y. Zhao, S. Nakamura, SP. DenBaars, and JS. Speck, "Carrier redistribution between different potential sites in semipolar (20 2\= 1) InGaN quantum wells studied by near-field photoluminescence", Applied Physics Letters, vol. 105, no. 11: AIP Publishing, pp. 111108, 2014.
Ahmadi, E., H. Chalabi, S. W. Kaun, R. Shivaraman, J. S. Speck, and U. K. Mishra, "Contribution of alloy clustering to limiting the two-dimensional electron gas mobility in AlGaN/GaN and InAlN/GaN heterostructures: Theory and experiment", Journal of Applied Physics, vol. 116, no. 13: AIP Publishing, pp. 133702, 2014.
Piccardo, M., L. Martinelli, J. Iveland, N. Young, S. P. DenBaars, S. Nakamura, J. S. Speck, C. Weisbuch, and J. Peretti, "Determination of the first satellite valley energy in the conduction band of wurtzite GaN by near-band-gap photoemission spectroscopy", Physical Review B, vol. 89, no. 23: APS, pp. 235124, 2014.
Zhang, Z., C. M. Jackson, A. R. Arehart, B. McSkimming, J. S. Speck, and S. A. Ringel, "Direct Determination of Energy Band Alignments of Ni/Al 2 O 3/GaN MOS Structures Using Internal Photoemission Spectroscopy", Journal of electronic materials, vol. 43, no. 4: Springer US, pp. 828–832, 2014.

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