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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, 753-756 (2001) , “On the problem of the EL2 structure in semi-insulating GaAs: high-frequency ODEPR/ODENDOR measurements in W-band”, I. Tkach, K. Krambrock and J. -M. SpaethFor almost two decades the structure model of the EL2 defect in semi-insulating (SI) GaAs has been controversially discussed. Neither the isolated AsGa with Td symmetry, nor the AsGa–Asi pair model nor any other AsGa-related defect model could be unambiguously established. The reason was that... (Read more)
- 4. Phys. Rev. B 59, 12479-12486 (1999) , “Optical detection of electron paramagnetic resonance in electron-irradiated GaN”, C. Bozdog, H. Przybylinska, G. D. Watkins, V. Härle, F. Scholz, M. Mayer, M. Kamp, R. J. Molnar, A. E. Wickenden, D. D. Koleske, R. L. Henry2.5 MeV electron irradiation of wurtzite GaN epitaxially grown on sapphire substrates greatly reduces its near-UV and visible luminescence, producing two bands in the near infrared. In one of these, a broad structureless band centered at ∼0.95 eV, three optically detected S=1/2 electron... (Read more)GaN| ODMR PL electron-irradiation| 69Ga EM L1 L2 L3 L4 n-type semi-insulating .inp files: GaN/L3 GaN/L4 | last update: Takahide Umeda
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