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- 1. 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)
- 2. 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)
- 3. J. Appl. Phys. 94, 7105-7111 (2003) , “Electrically detected magnetic resonance of ion-implantation damage centers in silicon large-scale integrated circuits”, T. Umeda, Y. Mochizuki, K. Okonogi, K. HamadaWe used electrically detected magnetic resonance to study the microscopic structure of ion-implantation-induced point defects that remained in large-scale Si integrated circuits (Si LSIs). Two types of defects were detected in the source/drain (n+-type) region of... (Read more)
- 4. 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)
- 5. 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)
- 6. 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)
- 7. J. Non-Cryst. Solids 32, 327-338 (1979) , “ELECTRON SPIN RESONANCE AND HOPPING CONDUCTIVITY OF a-SiOx”, E. Holzenkämpfer, F. -W. Richter, J. Stuke, U. Voget-GroteAmorphous SiOx-layers with O < x < 2 have been prepared by evaporation of Si at oxygen pressures of 10−6 … 10−3 mbar. The composition of the samples was determined by proton backscattering. The band gap, derived from optical measurements, increases with rising oxygen... (Read more)
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