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- 1. Appl. Phys. Lett. 89, 202114 (2006) , “Deep level transient spectroscopy study of Pd and Pt sputtering damage in n-type germanium”, E. Simoen, K. Opsomer, C. Claeys, K. Maex, C. Detavernier, R. L. Van Meirhaeghe, and P. ClauwsDefect formation during Pd and Pt germanidation of n-type germanium, using rapid thermal annealing in the range of 300–500 °C, is investigated by deep level transient spectroscopy. Small concentrations of an electron trap at ~EC−0.385 eV are found,... (Read more)
- 2. J. Appl. Phys. 100, 034503 (2006) , “Deep level defects in proton radiated GaAs grown on metamorphic SiGe/Si substrates”, M. González, C. L. Andre, R. J. Walters, S. R. Messenger, J. H. Warner, J. R. Lorentzen, A. J. Pitera, E. A. Fitzgerald, and S. A. RingelThe effect of 2 MeV proton radiation on the introduction of deep levels in GaAs grown on compositionally graded SiGe/Si substrates was investigated using deep level transient spectroscopy (DLTS). Systematic comparisons were made with identical layers grown on both GaAs and Ge substrates to directly... (Read more)
- 3. J. Appl. Phys. 100, 023704 (2006) , “Transformation behavior of room-temperature-stable metastable defects in hydrogen-implanted n-type silicon studied by isothermal deep-level transient spectroscopy”, Yutaka TokudaIsothermal deep-level transient spectroscopy (DLTS) with a single pulse has been used to study the transformation behavior of hydrogen-related metastable defects labeled EM1 (Ec0.28 eV) and EM2 (Ec0.37 eV), which are observed in... (Read more)
- 4. J. Appl. Phys. 99, 013515 (2006) , “Defects and electrical behavior in 1 MeV Si+-ion-irradiated 4H–SiC Schottky diodes”, F. Roccaforte, S. Libertino, V. Raineri, A. Ruggiero, V. Massimino, and L. CalcagnoIn this paper, the formation and evolution of defects induced by ion irradiation with 1 MeV Si+ ions in Ni2Si/4HSiC Schottky diodes were studied and correlated with the electrical properties of the contacts. The current-voltage characteristics of the contacts... (Read more)
- 5. Phys. Rev. B 74, 045208 (2006) , “Defects in virgin and N+-implanted ZnO single crystals studied by positron annihilation, Hall effect, and deep-level transient spectroscopy”, G. Brauer, W. Anwand, W. Skorupa, J. Kuriplach, O. Melikhova, C. Moisson, H. von Wenckstern, H. Schmidt, M. Lorenz, and M. GrundmannHigh-quality single crystals of ZnO in the as-grown and N+ ion-implanted states have been investigated using a combination of three experimental techniquesnamely, positron lifetime/slow positron implantation spectroscopy accompanied by theoretical calculations of the positron... (Read more)
- 6. Appl. Phys. Lett. 84, 1704 (2004) , “Bistable defect in mega-electron-volt proton implanted 4H silicon carbide”, D. M. Martin, H. Kortegaard Nielsen, P. Lévêque, A. Hallén, G. Alfieri, B. G. SvenssonEpitaxial 4H-SiC n-type layers implanted at room temperature with a low fluence of mega-electron-volt protons have been measured by deep level transient spectroscopy (DLTS). The proton fluence of 1×1012 cm2 creates an estimated initial concentration of... (Read more)
- 7. Physica B 340-342, 743 (2003) , “Annealing study of a bistable defect in proton-implanted n-type 4H-SiC”, H. Kortegaard Nielsen, D. M. Martin, P. Lévêque, A. Hallén and B. G. SvenssonThe thermal stability and annealing kinetics of a bistable defect, recently reported by Martin (Master Thesis, KTH/ELE/FTE/2003-1) employing deep level transient spectroscopy and labelled the M-centre, has been studied using n-type epitaxially grown 4H-SiC layers implanted with 2.5 MeV protons to a... (Read more)
- 8. Physica B 302-303, 249-256 (2001) , “Hydrogen-Enhanced Clusterization of Intrinsic Defects and Impurities in Silicon”, B. N. Mukashev, Kh. A. Abdullin, Yu. V. Gorelkinskii, M. F. Tamendarov and S. Zh. TokmoldinFormation of intrinsic and impurity defect complexes in hydrogenated monocrystalline silicon is studied. Hydrogen was incorporated into samples by different ways: either by proton implantation at 80 and 300 K, or by annealing at 1250°C for 30–60 min in a sealed quartz ampoule containing... (Read more)
- 9. J. Appl. Phys. 88, 6265 (2000) , “Doping of n-type 6H–SiC and 4H–SiC with defects created with a proton beam”, A. A. Lebedev, A. I. Veinger, D. V. Davydov, V. V. Kozlovski, N. S. Savkina, A. M. Strel’chukDeep centers in n-type 4HSiC and 6HSiC irradiated with 8 MeV protons have been investigated by capacitance spectroscopy and electron paramagnetic resonance (EPR). Samples were fabricated by sublimation epitaxy or commercially produced by CREE Inc. Research Triangle Park, NC. It is... (Read more)
- 10. Phys. Rev. B 62, 12888-12895 (2000) , “Tungsten in silicon carbide:?Band-gap states and their polytype dependence”, N. Achtziger, G. Pasold, R. Sielemann, C. Hülsen, J. Grillenberger, and W. WitthuhnBand-gap states of tungsten in silicon carbide (polytypes 4H, 6H, and 15R) are investigated by deep-level transient spectroscopy (DLTS) and admittance spectroscopy on n-type SiC. Doping with W is done by ion implantation and annealing. To establish a definite chemical identification of band-gap... (Read more)
- 11. Jpn. J. Appl. Phys. 37, 1939-1944 (1999) , “Role of the EL2 Center on the Formation of Metastable Hydrogen-related Defects (M3/M4) in n-GaAs”, T. Shinagawa, T. OkumuraHydrogen-related metastable defects (M3/M4) in n-GaAs were studied in relation to the EL2 center. We found that the M3/M4 defects were observed only in the crystals containing the EL2 center in the as-grown state after exposure to a hydrogen plasma. The EL3 level, which was tentatively assigned as... (Read more)
- 12. Mater. Sci. Eng. B 58, 171-178 (1999) , “Self-Interstitial Related Reactions in Silicon Irradiated by Light Ions”, B. N. Mukashev, Kh. A. Abdullin, Yu. V. Gorelkinskii and S. Zh. TokmoldinRecent deep level transient spectroscopy (DLTS), electron paramagnetic resonance (EPR) and infrared (IR) spectroscopy data on interactions of self-interstitial with carbon, aluminium, oxygen and hydrogen in silicon irradiated by light ions are reviewed. Self-interstitial behaviour in silicon was... (Read more)
- 13. 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)
- 14. phys. stat. sol. (a) 168, 73 (1998) , “Self-Interstitials in Silicon Irradiated with Light Ions”, B. N. Mukashev, Kh. A. Abdullin, Yu. V. Gorelkinskii.The behavior of self-interstitials in silicon which was irradiated with light ions (protons and -particles) and electrons was explored by monitoring known impurity interstitial centers (Ci, Ali, (Si-O)i) with deep level transient spectroscopy (DLTS) and electron... (Read more)
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