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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 46 (1988), S. 313-323 
    ISSN: 1432-0649
    Keywords: 79.70 ; 07.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Current-voltage characteristics of a gas field ion source (GFIS) have been measured for hydrogen and all rare gases. The parameter set included tip temperature, tip radius and gas temperature and pressure. This investigation has been made to get a complete overview of the field ion currents (FIC) and to estimate the maximum currents in a GFIS, which have been found to a few 100 nA. This estimate allows also a feasibility study of a GFIS, modified by a supertip, a small protuberance on the emitter surface.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 13 (1977), S. 255-259 
    ISSN: 1432-0630
    Keywords: 73
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract After bombarding silicon single crystals with heavy neon ion doses, the resulting amorphous surface layer has been found to be electrically insulated from the underlying bulk material. Current-voltage characteristics indicate the formation of a junction between the crystalline and the damaged layer. As a consequence, the electrical properties of the amorphous layer can be measured at low temperatures up to about 230 K and considerably beyond room temperature, if thick crystal wafers and silicon-on-sapphire (SOS) samples, respectively, are used.
    Type of Medium: Electronic Resource
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