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- 1. Mater. Sci. Eng. 93, 39-48 (2002) , “Characterization of nitrides by electron paramagnetic resonance (EPR) and optically detected magnetic resonance (ODMR)”, E. R. Glaser, W. E. Carlos, G. C. B. Braga, J. A. Freitas, Jr , W. J. Moore, B. V. Shanabrook, A. E. Wickenden, D. D. Koleske, R. L. Henry, M. W. Bayerl, M. S. Brandt, H. Obloh, P. Kozodoy, S. P. DenBaars, U. K. Mishra, S. Nakamura, E. Haus, J. S. Speck, J. E. Van Nostrand, M. A. Sanchez, E. Calleja, A. J. Ptak, T. H. Myers and R. J. MolnarWe will highlight our recent work on the properties of residual defects and dopants in GaN heteroepitaxial layers and on the nature of recombination from InGaN single quantum well (SQW) light emitting diodes (LEDs) through magnetic resonance techniques. Electron paramagnetic resonance (EPR) and... (Read more)
- 2. Phys. Rev. B 65, 85312 (2002) , “Magnetic resonance studies of Mg-doped GaN epitaxial layers grown by organometallic chemical vapor deposition”, E. R. Glaser, W. E. Carlos, G. C. B. Braga, J. A. Freitas Jr, W. J. Moore, B. V. Shanabrook, R.L. Henry, A. E. Wickenden, D. D. Koleske, H.Obloh, P. Kozodoy, S. P. DenBaars, U. K. MishraElectron paramagnetic resonance (EPR) and optically detected magnetic resonance (ODMR) experiments have been performed on a set of GaN epitaxial layers doped with Mg from 2.5?1018 to 5.0?1019 cm-3. The samples were also characterized by secondary-ion-mass... (Read more)
- 3. Physica B 308-310, 976-979 (2001) , “Magnetic resonance studies of ZnO”, W. E. Carlos, E. R. Glaser and D. C. LookWe have used EPR and ODMR to study state-of-the-art bulk ZnO single crystals. Most of the samples are n-type; however, under certain conditions (e-irradiated or annealed), we observe a center due to residual nitrogen (g||=1.9953, g=1.9633 and Aiso=1.225 mT, Aaniso=0.864 mT). The N center is a... (Read more)
- 4. Physica B 308-310, 51-57 (2001) , “Magnetic resonance studies of defects in GaN with reduced dislocation densities”, E. R. Glaser, J. A. Freitas, Jr. , G. C. Braga, W. E. Carlos, M. E. Twigg, A. E. Wickenden, D. D. Koleske, R. L. Henry, M. Leszczynski, I. Grzegory, T. Suski, S. Porowski, S. S. Park, K. Y. Lee and R. J. MolnarMagnetic resonance experiments, including optically detected magnetic resonance (ODMR) and electron paramagnetic resonance (EPR), have been performed on Si-doped homoepitaxial GaN layers grown by MOCVD and on high quality, free-standing (200 μm-thick) GaN grown by HVPE. This allowed us to... (Read more)
- 5. phys. stat. sol. (a) 162, 95-151 (1997) , “EPR and ENDOR Investigations of Shallow Impurities in SiC Polytypes”, S. Greulich-WeberInvestigations of nitrogen donors in 6H-, 4H- and 3C-SiC using conventional electron paramagnetic resonance (EPR), electron nuclear double resonance (ENDOR) and optical detection of EPR and ENDOR as well as optical absorption and emission spectroscopy are reviewed and critically discussed. An... (Read more)
- 6. Solid State Commun. 25, 77-80 (1978) , “Exchange broadened, optically detected ESR spectra for luminescent donor-acceptor pairs in Li doped ZnO”, R. T. Cox, D. Block, A. Hervé, R. Picard and C. SantierR. HelbigApplication of optically detected ESR to the yellow photoluminescence of Li doped ZnO gives ESR spectra for shallow donor - lithium acceptor pairs, showing that at least a fraction of the yellow emission is donor-acceptor (D-A) luminescence. The distribution of separations rDA gives a spectrum of... (Read more)
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