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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. Appl. Phys. Lett. 88, 091912 (2006) , “Hydrogen-vacancy related defect in chemical vapor deposition homoepitaxial diamond films studied by electron paramagnetic resonance and cathodoluminescence”, N. Mizuochi, H. Watanabe, H. Okushi, S. Yamasaki, J. Niitsuma, T. SekiguchiHydrogen-vacancy related defect (H1) in chemical vapor deposition homoepitaxial diamond films has been investigated by electron paramagnetic resonance and cathodoluminescence. It is found that the concentration of H1 significantly decreases as the dilution... (Read more)
- 3. J. Appl. Phys. 100, 124315 (2006) , “Magnetic resonance study of Ni nanoparticles in single-walled carbon nanotube bundles”, A. A. Konchits, F. V. Motsnyi, Yu. N. Petrov, S. P. Kolesnik, V. S. Yefanov, M. L. Terranova, E. Tamburri, S. Orlanducci, V. Sessa, and M. RossiWe present a detailed study of the electron magnetic resonance (EMR) properties of Ni nanoparticles (NPs) placed in the bundles of single-walled carbon nanotubes produced by arc discharge with Ni catalyst. The behavior of EMR signals has been investigated in the 10–300 K temperature range for... (Read more)
- 4. Phys. Rev. B 74, 161203(R) (2006) , “Room-temperature manipulation and decoherence of a single spin in diamond”, R. Hanson, O. Gywat, and D. D. AwschalomWe report on room-temperature coherent manipulation of the spin of a single nitrogen-vacancy center in diamond and a study of its coherence as a function of magnetic field. We use magnetic resonance to induce Rabi nutations and apply a Hahn spin echo to remove the effect of low-frequency dephasing.... (Read more)
- 5. Phys. Rev. Lett. 97, 137206 (2006) , “Electron Spin Resonance of Proton-Irradiated Graphite”, Kyu Won Lee and Cheol Eui LeeIn the case of colossal magnetoresistance in the perovskite manganites, "double exchange" mediated by the itinerant spins is believed to play a key role in the ferromagnetism. In contrast, the conventional "Heisenberg" interaction, i.e., direct (unmediated) interaction between... (Read more)
- 6. Physica B 376-377, 358-361 (2006) , “Pulsed EPR studies of Phosphorus shallow donors in diamond and SiC”, J. Isoya, M. Katagiri, T. Umeda, S. Koizumi, H. Kanda, N. T. Son, A. Henry, A. Gali, E. JanzénPhosphorus shallow donors having the symmetry lower than Td are studied by pulsed EPR. In diamond:P and 3C–SiC:P, the symmetry is lowered to D2d and the density of the donor wave function on the phosphorus atom exhibits a predominant p-character. In 4H–SiC:P with the site symmetry of... (Read more)
- 7. Phys. Rev. Lett. 92, 135502 (2004) , “Hydrogen Incorporation in Diamond: The Vacancy-Hydrogen Complex”, C. Glover, M. E. Newton, P. M. Martineau, S. Quinn, D. J. TwitchenWe report the identification of the vacancy-hydrogen complex in single crystal diamond synthesized by chemical vapor deposition. The S = 1 defect is observed by electron paramagnetic resonance in the negative charge state. The hydrogen atom is bonded to one of the carbon atoms neighboring the... (Read more)
- 8. Phys. Rev. Lett. 90, 185507 (2003) , “Hydrogen Incorporation in Diamond: The Nitrogen-Vacancy-Hydrogen Complex”, C. Glover, M. E. Newton, P. Martineau, D. J. Twitchen, J. M. BakerWe report the identification of the nitrogen-vacancy-hydrogen complex in a freestanding nitrogen-doped isotopically engineered single crystal diamond synthesized by chemical vapor deposition. The hydrogen atom is located in the vacancy of a nearest-neighbor nitrogen-vacancy defect and appears to be... (Read more)
- 9. Diamond Relat. Mater. 10, 580-584 (2001) , “Phosphorus site after CIRA implantation of type IIa diamond”, N. Casanova, E. Gheeraert, A. Deneuville, C. Uzan-Saguy and R. KalishA set of type IIa diamond crystals was processed by cold implantation and rapid annealing at 1050°C ex situ annealing at 1400°C and investigated by ESR measurement. The ESR spectra of CIRA and post-annealed samples show an isotropic line at g=2.003, a set of anisotropic hyperfine lines,... (Read more)
- 10. Diamond Relat. Mater. 10, 480-484 (2001) , “EPR study of preferential orientation of crystallites in N-doped high quality CVD diamond”, S. Nokhrin, J. Rosa, M. Vanecek, A. G. Badalyan and M. NesladekThe directions of preferential growth of free-standing optical-quality CVD diamond wafers have been investigated with the help of electron paramagnetic resonance (EPR). EPR signals of the well-known P1 centre (substitutional nitrogen) have been used as a probe. A computer simulation of EPR spectra... (Read more)
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