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- 1. phys. stat. sol. (b) 245, 1298-1314 (2008) , “EPR identification of intrinsic defects in SiC”, J. Isoya, T. Umeda, N. Mizuochi, N. T. Son, E. Janzen, T. OhshimaThe structure determination of intrinsic defects in 4H-SiC, 6H-SiC, and 3C-SiC by means of EPR is based on measuring the angular dependence of the 29Si/13C hyperfine (HF) satellite lines, from which spin densities, sp-hybrid ratio, and p-orbital direction can be determined over... (Read more)Si SiC diamond| EPR Theory electron-irradiation thermal-meas./anneal-exp.| +1 -1 0(neutral) 1.0eV~ 13C 29Si C1h C3v Carbon Csi D2d EI5/6 HEI1 HEI9/10 P6/7 Silicon T1 Td Tv2a V1/2/3 Vc Vsi antisite dangling-bond mono(=1) motional-effect n-type p-type pair(=2) quartet semi-insulating spin-relaxation triplet vacancy .inp files: SiC/Baranov/Baranov_g.inp SiC/EI5_C1h/5.inp SiC/EI5_C3v/5.inp SiC/EI6_RT/6.inp SiC/HEI10/HEI10a.inp SiC/HEI10/HEI10b.inp SiC/HEI1_C1h/1.inp SiC/HEI9/HEI9a.inp SiC/HEI9/HEI9b.inp SiC/SI5_C1h/4.inp SiC/Ky2/Ky2.inp SiC/Tv2a/Main.INP SiC/Vsi-_II_4H/Main.INP SiC/Vsi-_II_6H/Main.INP SiC/Vsi-_I_4H/Main.INP SiC/Vsi-_I_6H/Main.INP | last update: Takahide Umeda
- 2. Phys. Rev. Lett. 96, 55501 (2006) , “Divacancy in 4H-SiC”, N. T. Son, P. Carlsson, J. ul Hassan, E. Janz?n, T. Umeda, J. Isoya, A. Gali, M. Bockstedte, N. Morishita, T. Ohshima, H. ItohElectron paramagnetic resonance and ab initio supercell calculations suggest that the P6/P7 centers, which were previously assigned to the photoexcited triplet states of the carbon vacancy-antisite pairs in the double positive charge state, are related to the triplet ground... (Read more)
- 3. Phys. Rev. B 72, 235208 (2005) , “Spin multiplicity and charge state of a silicon vacancy (TV2a) in 4H-SiC determined by pulsed ENDOR”, N. Mizuochi, S. Yamasaki, H. Takizawa, N. Morishita, T. Ohshima, H. Itoh, T. Umeda, and J. IsoyaIn this paper, we unambiguously re-determine the spin multiplicity of TV2a by pulsed electron nucleus double resonance technique. The TV2a center is one of the most commonly observed defects in 4H-SiC, and its origin was... (Read more)
- 4. Mater. Sci. Forum 457-460, 437 (2004) , “Defects in high-purity semi-insulating SiC”, N. T. Son, B. Magnusson, Z. Zolnai, A. Ellison, E. Janz?n
- 5. Phys. Rev. B 68, 165206 (2003) , “EPR studies of the isolated negatively charged silicon vacancies in n-type 4H- and 6H-SiC: Identification of C3v symmetry and silicon sites”, N. Mizuochi, S. Yamasaki, H. Takizawa, N. Morishita, T. Ohshima, H. Itoh, and J. IsoyaThe isolated negatively charged silicon vacancy (VSi-" align="middle">) in the hexagonal lattices of 4H- and 6H-SiC has been studied by electron paramagnetic resonance (EPR). The local structure was suggested to have Td symmetry from the... (Read more)
- 6. 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)
- 7. Physica B 340-342, 15-24 (2003) , “Defects in SiC”, E. Janz?n, I. G. Ivanov, N. T. Son, B. Magnusson, Z. Zolnai, A. Henry, J. P. Bergman, L. Storasta, F. CarlssonRecent results from studies of shallow donors, pseudodonors, and deep level defects in SiC are presented. The selection rules for transitions between the electronic levels of shallow donors in 4H–SiC in the dipole approximation are derived and the ionization energy for the N donor at... (Read more)
- 8. Phys. Rev. B 66, 235202 (2002) , “Continuous-wave and pulsed EPR study of the negatively charged silicon vacancy with S=3/2 and C3v symmetry in n-type 4H-SiC”, N. Mizuochi, S. Yamasaki, H. Takizawa, N. Morishita, T. Ohshima, H. Itoh, J. IsoyaThe TV2a center, which was suggested to be the excited triplet state (S=1) of the neutral silicon vacancy related defect [S?rman et al., Phys. Rev. B 61, 2613 (2000)] in the electron-irradiated n-type 4H-SiC has been studied by continuous wave and pulsed electron paramagnetic resonance... (Read more)
- 9. Phys. Rev. B 66, 155214 (2002) , “Ligand hyperfine interaction at the neutral silicon vacancy in 4H- and 6H-SiC”, Mt. Wagner, N. Q. Thinh, N. T. Son, W. M. Chen, E. Janz?n, P. G. Baranov, E. N. Mokhov, C. Hallin, J. L. Lindstr?mThe silicon vacancy in its neutral charge state (VSi) has been unambiguously identified in 4H- and 6H-SiC. This was achieved by observation of ligand hyperfine interaction with the four carbon atoms in the nearest-neighbor shell and the twelve silicon atoms in the next-nearest-neighbor... (Read more)
- 10. Phys. Rev. B 62, 10841 (2000) , “Vacancy defects in p-type 6H-SiC created by low-energy electron irradiation”, H. J. von Bardeleben, J. L. Cantin, L. Henry, M. F. BartheThe intrinsic defects in p-type 6H-SiC:Al generated by electron irradiation at 300 keV, which is close to the threshold of the silicon atom displacement, have been studied by electron paramagnetic resonance spectroscopy. We observed two dominant irradiation-induced paramagnetic defects:?(i) a... (Read more)
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