Publications

Found 69 results
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2014
Von Dollen, P., S. Pimputkar, and J. S. Speck, "Es werde Licht–mit Galliumnitrid: der Nobelpreis für Physik 2014", Angewandte Chemie, vol. 126, no. 51: Wiley Online Library, pp. 14198–14200, 2014.
Von Dollen, P., S. Pimputkar, and J. S. Speck, "Let There Be LightóWith Gallium Nitride: The 2014 Nobel Prize in Physics", Angewandte Chemie International Edition, vol. 53, no. 51: Wiley Online Library, pp. 13978–13980, 2014.
von Wenckstern, H., D. Splith, F. Schmidt, M. Grundmann, O. Bierwagen, JS. Speck, and others, "Schottky contacts to In ${$sub 2$}$ O ${$sub 3$}$", APL Materials, vol. 2, no. 4, 2014.
von Wenckstern, H., D. Splith, F. Schmidt, M. Grundmann, O. Bierwagen, and J. S. Speck, "Schottky contacts to In2O3", APL Materials, vol. 2, no. 4: AIP, pp. 046104, 2014.
Farahani, SK. Vasheghani, TD. Veal, JJ. Mudd, DO. Scanlon, GW. Watson, O. Bierwagen, ME. White, JS. Speck, and CF. McConville, "Valence-band density of states and surface electron accumulation in epitaxial SnO 2 films", Physical Review B, vol. 90, no. 15: American Physical Society, pp. 155413, 2014.
2013
Pimputkar, S., P. Von Dollen, S. Nakamura, and J. S. Speck, Apparatus used for the growth of group-iii nitride crystals utilizing carbon fiber containing materials and group-iii nitride grown therewith, 2013.
Von Dollen, P., J. S. Speck, and S. Pimputkar, Crystal growth using non-thermal atmospheric pressure plasmas, 2013.
Zhao, Y., Q. Yan, D. Feezell, K. Fujito, C. G. Van de Walle, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Optical polarization characteristics of semipolar (303\= 1) and (303\= 1\=) InGaN/GaN light-emitting diodes", Optics express, vol. 21, no. 101: Optical Society of America, pp. A53–A59, 2013.
Pimputkar, S., P. M. Von Dollen, J. S. Speck, and S. Nakamura, Use of alkaline-earth metals to reduce impurity incorporation into a group-iii nitride crystal grown using the ammonothermal method, apr # " 25", 2013.
2012
Zhao, Y., Q. Yan, C-Y. Huang, S-C. Huang, P. Shan Hsu, S. Tanaka, C-C. Pan, Y. Kawaguchi, K. Fujito, C. G. Van de Walle, et al., "Indium incorporation and emission properties of nonpolar and semipolar InGaN quantum wells", Applied Physics Letters, vol. 100, no. 20: AIP, pp. 201108, 2012.
Farahani, SK. Vasheghani, TD. Veal, AM. Sanchez, O. Bierwagen, ME. White, S. Gorfman, PA. Thomas, JS. Speck, and CF. McConville, "Influence of charged-dislocation density variations on carrier mobility in heteroepitaxial semiconductors: The case of SnO 2 on sapphire", Physical Review B, vol. 86, no. 24: American Physical Society, pp. 245315, 2012.
2011
Zhao, Y., S. Tanaka, Q. Yan, C-Y. Huang, R. B. Chung, C-C. Pan, K. Fujito, D. Feezell, C. G. Van de Walle, J. S. Speck, et al., "High optical polarization ratio from semipolar (20 2\= 1\=) blue-green InGaN/GaN light-emitting diodes", Applied physics letters, vol. 99, no. 5: AIP, pp. 051109, 2011.
Huang, C-Y., Q. Yan, Y. Zhao, K. Fujito, D. Feezell, C. G. Van de Walle, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Influence of Mg-doped barriers on semipolar (20 2\= 1) multiple-quantum-well green light-emitting diodes", Applied Physics Letters, vol. 99, no. 14: AIP, pp. 141114, 2011.
2010
Rauch, C., F. Reurings, F. Tuomisto, TD. Veal, C. F. McConville, H. Lu, WJ. Schaff, CS. Gallinat, G. Koblmüller, JS. Speck, et al., "In-vacancies in Si-doped InN", physica status solidi (a), vol. 207, no. 5: WILEY-VCH Verlag, pp. 1083–1086, 2010.
Ben-Yaacov, T., T. Ive, C. G. Van de Walle, U. K. Mishra, J. S. Speck, and S. P. DenBaars, "Properties of In-doped ZnO films grown by metalorganic chemical vapor deposition on GaN (0001) templates", Journal of electronic materials, vol. 39, no. 5: Springer US, pp. 608–611, 2010.
Linhart, WM., TD. Veal, PDC. King, G. Koblmüller, CS. Gallinat, JS. Speck, and CF. McConville, "Surface, bulk, and interface electronic properties of nonpolar InN", Applied Physics Letters, vol. 97, no. 11: AIP, pp. 112103, 2010.
2009
Bierwagen, O., T. Nagata, T. Ive, CG. Van de Walle, and JS. Speck, "Dissipation-factor-based criterion for the validity of carrier-type identification by capacitance-voltage measurements", Applied Physics Letters, vol. 94, no. 15: AIP, pp. 152110, 2009.
Akopian, N., A. Vardi, G. Bahir, V. Garber, E. Ehrenfreund, D. Gershoni, C. Poblenz, CR. Elsass, IP. Smorchkova, and JS. Speck, "Fermi edge singularity observed in GaN/AlGaN heterointerfaces", Applied Physics Letters, vol. 94, no. 22: AIP, pp. 223502, 2009.
Ben-Yaacov, T., T. Ive, C. G. Van de Walle, U. K. Mishra, J. S. Speck, and S. P. DenBaars, "Growth of In-doped ZnO films by metalorganic chemical vapor deposition on GaN (0001) templates", physica status solidi (c), vol. 6, no. 6: Wiley Online Library, pp. 1464–1467, 2009.
Ive, T., T. Ben-Yaacov, C. G. Van de Walle, U. K. Mishra, S. P. DenBaars, and J. S. Speck, "Homoepitaxial growth and characterization of ZnO (0001) thin films grown by metalorganic chemical vapor epitaxy", physica status solidi (c), vol. 6, no. 6: Wiley Online Library, pp. 1460–1463, 2009.
2008
Bierwagen, O., T. Ive, C. G. Van de Walle, and J. S. Speck, "Causes of incorrect carrier-type identification in van der Pauw–Hall measurements", Applied Physics Letters, vol. 93, no. 24: AIP, pp. 242108, 2008.
King, PDC., TD. Veal, CS. Gallinat, G. Koblmüller, LR. Bailey, JS. Speck, and CF. McConville, "Influence of growth conditions and polarity on interface-related electron density in InN", Journal of Applied Physics, vol. 104, no. 10: AIP, pp. 103703, 2008.
Keller, S., CS. Suh, NA. Fichtenbaum, M. Furukawa, R. Chu, Z. Chen, K. Vijayraghavan, S. Rajan, SP. DenBaars, JS. Speck, et al., "Influence of the substrate misorientation on the properties of N-polar InGaN/GaN and AlGaN/GaN heterostructures", Journal of Applied Physics, vol. 104, no. 9: AIP, pp. 093510, 2008.
Ive, T., T. Ben-Yaacov, A. Murai, H. Asamizu, CG. Van de Walle, U. Mishra, SP. DenBaars, and JS. Speck, "Metalorganic chemical vapor deposition of ZnO (0001) thin films on GaN (0001) templates and ZnO (0001) substrates", physica status solidi (c), vol. 5, no. 9: Wiley Online Library, pp. 3091–3094, 2008.
Ive, T., T. Ben-Yaacov, H. Asamizu, CG. Van de Walle, U. Mishra, SP. DenBaars, and JS. Speck, "Properties of ZnO (0001) layers grown by metalorganic chemical vapor deposition on GaN (0001) templates", physica status solidi (c), vol. 5, no. 6: Wiley Online Library, pp. 1733–1735, 2008.

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