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  • Electronic Resource  (2)
  • 41.80Gg  (1)
  • 68.10.−m  (1)
  • 1
    Electronic Resource
    Electronic Resource
    The influence of substrate geometry on the emission properties of a liquid metal ion source (1986)
    Springer
    Applied physics 41 (1986), S. 335-346 
    Details
    ISSN: 1432-0630
    Keywords: 79.70+q ; 41.80Gg ; 07.80+x
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The effect of needle radius, cone angle and shaft diameter on the threshold voltage and angular intensity — total current relationships for a Ga liquid-metal ion source (LMIS) was investigated. The variation of threshold voltage with needle geometry could be described in terms of the Taylor theory of liquid cone formation by electrostatic fields. The beam energy spread was mainly a function of total source current and was not a sensitive function of emitter geometry. Source angular intensity at a constant total current increased linearly with threshold voltage when the latter was altered due to source geometry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00616057
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Comment on “variational formulation for the equilibrium condition of a conducting fluid in an electric field” (1985)
    Springer
    Applied physics 36 (1985), S. 67-70 
    Details
    ISSN: 1432-0630
    Keywords: 68.10.−m ; 41.10.Dq ; 79.70.+q
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Sujatha et al. have suggested that the Taylor cone hypothesis is wrong and they have derived equations for the equilibrium shape of a conducting fluid in an electric field. We examine their arguments and suggest that their paper may be incorrect in some respects. We find that Taylor's omission of the pressure difference term in the Laplace formula and his use of a single Legendre function for the potential are correct for the situation that he considered and that consequently the Taylor cone hypothesis is justified. The shape of real liquid metal ion sources appears to be well represented by a jet-like protrusion model which approaches a Taylor cone shape in the low current limit.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00620611
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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