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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, 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)
- 4. J. Cryst. Growth 189-190, 561 (1998) , “Investigations of undoped and Mg-doped wurtzite GaN with luminescence-detected paramagnetic resonance in the 4 mm band”, F. K. Koschnick, K. Michael, J. -M. Spaeth, B. Beaumont, P. Gibart, J. Off, A. Sohmer and F. ScholzNominally undoped and Mg-doped wurtzite GaN grown with MOVPE on sapphire substrates were investigated with photoluminescence-detected electron paramagnetic resonance (PL-EPR). For enhanced resolution a microwave frequency of 72 GHz (V-band) was used. PL-EPR was measured via the yellow luminescence... (Read more)
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