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- 1. J. Appl. Phys. 100, 113728 (2006) , “Investigation of deep levels in n-type 4H-SiC epilayers irradiated with low-energy electrons”, Katsunori Danno and Tsunenobu KimotoDeep levels in n-type 4H-SiC epilayers have been investigated by deep level transient spectroscopy (DLTS). The Z1/2 and EH6/7 centers are dominant in as-grown samples. After electron irradiation at 116 keV, by which only carbon atoms may be displaced, the... (Read more)
- 2. J. Appl. Phys. 99, 033701 (2006) , “Diffusion length and junction spectroscopy analysis of low-temperature annealing of electron irradiation-induced deep levels in 4H-SiC”, A. Castaldini, A. Cavallini, L. Rigutti, S. Pizzini, A. Le Donne, and S. BinettiThe effects of low-temperature annealing in 8.2 MeV electron-irradiated 4H-SiC Schottky diodes were investigated. Deep-level transient spectroscopy and minority-carrier diffusion length (Ld) measurements were carried out on not-irradiated samples and on irradiated... (Read more)
- 3. Appl. Phys. Lett. 85, 3780 (2004) , “Low temperature annealing of electron irradiation induced defects in 4H-SiC”, Antonio Castaldini, Anna Cavallini, Lorenzo Rigutti, Filippo NavaLow temperature annealing of electron irradiation-induced deep levels in 4H-SiC is reported. The major deep level transient spectroscopy peak S2 associated with the energy level at Ec0.39 eV disappears in the temperature range 360400 K, and some rearrangement... (Read more)
- 4. Phys. Rev. Lett. 92, 125504 (2004) , “Low Energy Electron Irradiation Induced Deep Level Defects in 6H–SiC: The Implication for the Microstructure of the Deep Levels E1/E2”, X. D. Chen, C. L. Yang, M. Gong, W. K. Ge, S. Fung, C. D. Beling, J. N. Wang, M. K. Lui, and C. C. LingN-type 6HSiC samples irradiated with electrons having energies of Ee = 0.2, 0.3, 0.5, and 1.7 were studied by deep level transient technique. No deep level was detected at below 0.2 MeV irradiation energy while for Ee0.3 MeV,... (Read more)
- 5. Appl. Phys. Lett. 79, 3950 (2001) , “Annealing behavior of vacancies and Z1/2 levels in electron-irradiated 4H–SiC studied by positron annihilation and deep-level transient spectroscopy”, A. Kawasuso, F. Redmann, R. Krause-Rehberg, M. Weidner, T. Frank, G. Pensl, P. Sperr, W. Triftshäuser, H. ItohAnnealing behavior of vacancies and the Z1/2 levels in n-type 4HSiC epilayers after 2 MeV electron irradiation has been studied using positron annihilation and deep-level transient spectroscopy. Isochronal annealing studies indicate that silicon vacancy-related defects... (Read more)
- 6. J. Appl. Phys. 90, 3377 (2001) , “Vacancies and deep levels in electron-irradiated 6H SiC epilayers studied by positron annihilation and deep level transient spectroscopy”, A. Kawasuso, F. Redmann, R. Krause-Rehberg, T. Frank, M. Weidner, G. Pensl, P. Sperr, H. ItohThe annealing behavior of defects in n-type 6H SiC epilayers irradiated with 2 MeV electrons have been studied using positron annihilation and deep level transient spectroscopy. Vacancy-type defects are annealed at 500700 °C and 12001400 °C. From the analysis of... (Read more)
- 7. Phys. Rev. B 59, 10823-10829 (1999) , “Defect energy levels in electron-irradiated and deuterium-implanted 6H silicon carbide”, M. O. Aboelfotoh, J. P. DoyleUsing deep-level transient spectroscopy, we studied defect energy levels and their annealing behavior in nitrogen-doped 6H-SiC epitaxial layers irradiated with 2-MeV electrons and implanted with 300-KeV deuterium or hydrogen at room temperature. Five levels located at Ec-0.34,... (Read more)
- 8. Phys. Rev. B 58, R10119 (1998) , “Negative-U centers in 4H silicon carbide”, C. G. Hemmingsson, N. T. Son, A. Ellison, J. Zhang, E. JanzénCharacterization of two negative-U centers in 4H SiC has been performed using various capacitance transient techniques. Each center gives rise to one acceptor level (-/0) and one donor level (0/+), where the electron ionization energy of the acceptor level is larger than that of the donor level. The... (Read more)
- 9. J. Appl. Phys. 81, 6155 (1997) , “Deep level defects in electron-irradiated 4H SiC epitaxial layers”, C. Hemmingsson, N. T. Son, O. Kordina, J. P. Bergman, E. Janzén, J. L. Lindström, S. Savage, N. NordellDeep level defects in electron-irradiated 4H SiC epitaxial layers grown by chemical vapor deposition were studied using deep level transient spectroscopy. The measurements performed on electron-irradiated p+n junctions in the temperature range 100750 K revealed... (Read more)
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