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- 1. Phys. Rev. B 70, 193207 (2004) , “Hyperfine interaction of the nitrogen donor in 4H-SiC”, N. T. Son, E. Janzén, J. Isoya, S. YamasakiShallow N donors in n-type 4H-SiC were studied by electron paramagnetic resonance (EPR) and electron nuclear double resonance (ENDOR). For the N donor at the cubic site (Nk) in 4H-SiC, the hyperfine (hf) constants of the interaction with the nearest-neighbor... (Read more)
- 2. Phys. Rev. B 70, 085202 (2004) , “Reassignment of phosphorus-related donors in SiC”, E. Rauls, M. V. B. Pinheiro, S. Greulich-Weber, and U. GerstmannCombining efficient density-functional based tight-binding molecular dynamics with ab initio calculations, we show that despite higher formation energies the incorporation of phosphorus at the carbon sublattice is favored by kinetic effects during the annealing processes. Based on the... (Read more)
- 3. Phys. Rev. B 67, 205202 (2003) , “Formation and annealing of nitrogen-related complexes in SiC”, U. Gerstmann, E. Rauls, Th. Frauenheim, and H. OverhofWe propose a mechanism for the annealing of vacancy-related defects in SiC, based on ab initio total energy calculations. Our mechanism is based on the formation and migration of carbon and nitrogen split interstitials resulting in CSi(NC)n or... (Read more)
- 4. Physica B 340-342, 156 (2003) , “Electrical and multifrequency EPR study of nonstoichiometric defects in 4H-SiC”, E. N. Kalabukhova, S. N. Lukin, D. V. Savchenko and W. C. MitchelTwo paramagnetic intrinsic defects P and ND1 have been studied in both C-rich n-type 4H-SiC and undoped semi-insulating (s.i.) 4H-SiC in the dark and under illumination of the s.i. sample with light at 140 and 37 GHz in the temperature interval from 4.2 to 77 K. Photo EPR and Hall effect... (Read more)
- 5. Phys. Rev. B 64, 235202 (2001) , “Photosensitive electron paramagnetic resonance spectra in semi-insulating 4H SiC crystals”, E. N. Kalabukhova, S. N. Lukin, A. Saxler, W. C. Mitchel, S. R. Smith, J. S. Solomon, A. O. EvwarayePhotosensitive electron paramagnetic resonance (EPR) investigations of unintentionally doped, semi-insulating (s.i.) 4H–SiC have been made at 37 GHz and 77 K including photoexcitation and photoquenching experiments. In the dark the EPR spectrum consists of a low intensity line due to boron on the... (Read more)
- 6. Phys. Rev. B 64, 085206 (2001) , “Electronic structure of the N donor center in 4H-SiC and 6H-SiC”, A. v. Duijn-Arnold, R. Zondervan, J. Schmidt, P. G. Baranov, E. N. MokhovIn this paper, we present high-frequency (95 GHz) pulsed electron paramagnetic resonance (EPR) and electron nuclear double resonance (ENDOR) measurements on the nitrogen (N) donor in 4H-SiC (k site) and 6H-SiC (h, k1, and k2 sites according to the accepted classification). From... (Read more)
- 7. phys. stat. sol. (b) 210, 415-427 (1998) , “The Microscopic and Electronic Structure of Shallow Donors in SiC”, S. Greulich-WeberNitrogen donors in 6H-, 4H- and 3C-SiC were investigated using conventional electron paramagnetic resonance (EPR) and electron nuclear double resonance (ENDOR) and the experimental results are discussed. An attempt is presented to interpret the experimentally found large differences in hyperfine... (Read more)
- 8. 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)
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Updated at 2010-07-20 16:50:39
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