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- 1. Phys. Rev. B 77, 085120 (2008) , “Identification of the carbon antisite in SiC: EPR of 13C enriched crystals”, Pavel G. Baranov, Ivan V. Ilyin, Alexandra A. Soltamova, and Eugene N. MokhovAn electron paramagnetic resonance spectrum with axial symmetry along c axis, spin S=1/2 and strong hyperfine interaction with one carbon atom has been observed in neutron-irradiated and annealed 6H-SiC, 13C isotope enriched. The 13C concentration was... (Read more)
- 2. Phys. Rev. B 75, 115418 (2007) , “Early stages of radiation damage in graphite and carbon nanostructures: A first-principles molecular dynamics study”, Oleg V. Yazyev, Ivano Tavernelli, Ursula Rothlisberger, and Lothar HelmUnderstanding radiation-induced defect formation in carbon materials is crucial for nuclear technology and for the manufacturing of nanostructures with desired properties. Using first-principles molecular dynamics, we perform a systematic study of the nonequilibrium processes of radiation damage in... (Read more)
- 3. J. Appl. Phys. 100, 093715 (2006) , “Fermi level pinning in heavily neutron-irradiated GaN”, A. Y. Polyakov, N. B. Smirnov, A. V. Govorkov, A. V. Markov, N. G. Kolin, D. I. Merkurisov, V. M. Boiko, K. D. Shcherbatchev, V. T. Bublik, M. I. Voronova, I-H. Lee, C. R. Lee, S. J. Pearton, A. Dabirian, and A. V. OsinskyUndoped n-GaN grown by two different metallorganic chemical vapor deposition (MOCVD) techniques, standard MOCVD and epitaxial lateral overgrowth, and Mg-doped p-GaN prepared by hydride vapor phase epitaxy and molecular beam epitaxy were irradiated with fast reactor neutrons to the high... (Read more)
- 4. J. Appl. Phys. 99, 093511 (2006) , “Primary photoluminescence in as-neutron (electron) -irradiated n-type 6H-SiC”, Z. Q. Zhong, D. X. Wu, M. Gong, O. Wang, S. L. Shi, S. J. Xu, X. D. Chen, C. C. Ling, S. Fung, C. D. Beling, G. Brauer, W. Anwand, and W. SkorupaLow-temperature photoluminescence spectroscopy has revealed a series of features labeled S1, S2, S3 in n-type 6H-SiC after neutron and electron irradiation. Thermal annealing studies showed that the defects S1,... (Read more)
- 5. J. Phys.: Condens. Matter 17, S3179 (2005) , IOP Publishing , “Phase transitions in PbSe under actions of fast neutron bombardment and pressure”, S.V. Ovsyannikov, V.V. Shchennikov, A.E. Kar’kin, B.N. GoshchitskiiIn this paper, the influences of fast neutron bombardment, high pressure and chemical substitution on the electronic properties of PbSe single crystals are studied. For the first time in p-PbSe an electronic transition has been established of 'metal–semiconductor' type accompanied by an... (Read more)
- 6. Phys. Rev. B 71, 115204 (2005) , “Electron Spin Resonance Study of Paramagnetic Centers in Neutron-Irradiated Heat-Treated Silicon”, D. Pierreux and A. StesmansElectron spin resonance (ESR) was used to study neutron-induced defects in silicon as functions of anneal temperature Tan. For Tan below 200 °C, the ESR response is dominated by the Si-P3 and Si-P6 spectra, as observed before. At Tan=200 ... (Read more)
- 7. Phys. Rev. B 67, 125207 (2003) , “Silicon and carbon vacancies in neutron-irradiated SiC: A high-field electron paramagnetic resonance study”, S. B. Orlinski, J. Schmidt, E. N. Mokhov, P. G. BaranovElectron-paramagnetic-resonance (EPR) and electron-spin-echo (ESE) studies have been performed that show that isolated VSi-, VSi0, and VC vacancies are the dominant intrinsic paramagnetic defects in SiC treated by room-temperature neutron... (Read more)
- 8. Phys. Rev. B 64, 245212 (2001) , “Structure of the silicon vacancy in 6H-SiC after annealing identified as the carbon vacancy-carbon antisite pair”, Th. Lingner, S. Greulich-Weber, J.-M. Spaeth, U. Gerstmann, E. Rauls, Z. Hajnal, Th. Frauenheim, H. OverhofWe investigated radiation-induced defects in neutron-irradiated and subsequently annealed 6H-silicon carbide (SiC) with electron paramagnetic resonance (EPR), the magnetic circular dichroism of the absorption (MCDA), and MCDA-detected EPR (MCDA-EPR). In samples annealed beyond the annealing... (Read more)
- 9. Phys. Rev. B 56, 7384 (1997) , “Negatively charged Si vacancy in 4H SiC: A comparison between theory and experiment”, T. Wimbauer, B. K. Meyer, A. Hofstaetter, A. Scharmann, H. OverhofWe use electron paramagnetic resonance and electron nuclear double resonance to identify the negatively charged Si vacancy in neutron-irradiated 4H SiC. The identification is based on resolved ligand hyperfine interactions with carbon and silicon nearest and next nearest neighbors and on the... (Read more)
- 10. J. Non-Cryst. Solids 179, 1-9 (1994) , “The many varieties of E′ centers: a review”, Robert A. WeeksThree varieties of E′ centers with a spin state, S = 1/2, and with a G-tensor, Gx Gy 2.0003, Gz 2.0018, were identified in the early reports on paramagnetic states in irradiated α-quartz. The atomic structure of two of these had an hydrogen ion (proton) in nearby sites and hence... (Read more)
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