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  • 1
    Electronic Resource
    Electronic Resource
    Low-level leakage currents in thin silicon oxide films (1994)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 76 (1994), S. 319-327 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The low-level leakage currents in thin silicon oxide films were measured before and after the oxides had been stressed at high voltages. Four components of current were identified. These components were the tunneling current, the capacitive current associated with the measurement sweep rate, a negative differential current associated with the voltage sweep through the changing oxide C-V characteristic, and an excess current that occurred after the high-voltage stress. The excess current was due to the charging and discharging of traps generated inside of the oxide by the high-voltage stress. The excess current was proportional to the number of traps generated in the oxide. The magnitude of the excess current could be changed by changes in the measurement procedures due to the charging and discharging of traps. A major portion of the stress-generated excess low-level leakage current may not be a current that flowed through the oxide, but may be a trap charging/discharging current. This paper will concentrate on describing the low-level pretunneling leakage currents and the measurement techniques needed to determine the properties of the excess leakage currents associated with the traps generated inside of the oxide.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.357147
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Inhibin is absent from azoospermic semen of infertile men (1980)
    [s.l.] : Nature Publishing Group
    Nature 285 (1980), S. 246-247 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our subjects were eight patients with idiopathic azoospermia and raised serum FSH levels, who were attending the Infertility Clinic at Prince Henry's Hospital (Table 1). Testicular histology of three of these patients showed changes of Sertoli-cell-only syndrome, seminiferous tubule hyalinization ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/285246a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Diffusion Chambers for the Collection of Helminth Antigens (1963)
    [s.l.] : Nature Publishing Group
    Nature 200 (1963), S. 913-913 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recourse was made to diffusion chambers for this purpose, the principle involved being to transfer third-stage larvae from the original host to the diffusion chamber, which was then inserted into the abdominal cavity of a recipient host. Larvae removed from the donor 5 weeks6 months after ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/200913a0
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    Paper (German National Licenses)
    Fulltext
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