WIPPI

Hemispherical electron monochromator instrument


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wippi_bild_klein wippi_schema_klein

Specifications
Maximum massresolution: 300
Maximum massrange with standard HQ-head: 2000 Thomson
Detectors: Channeltron type SEM
Ionsource: hemispherical electron monochromator
Maximum electron current: 50 nA
Electron energy range: 0-200 eV
Electron energy resolution: FWHM>30 meV
Maximum ion intensity: 1 MHz
Range of charge states of the ions: -1 to +4
Sample inlet systems
Supersonic expansion cluster source: T>15K
Effusive gas inlet into the ion source:
Oven: vaporization of solids (T<1200K)
Typical experiments
Electron attachment studies
Determination of ionization energies
Negative ion efficiency curves

Recent publications from this experiment

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Diploma and PhD thesis from this experiment

  • Emanuel Reichsöllner (Diploma - ongoing)
  • Philipp Sulzer (PhD - 2008)
  • Philipp Sulzer (Diploma - 2006)
  • Sylwia Ptasinska (PhD - 2004)
  • Stephan Denifl (PhD - 2004)
  • Stephan Denifl (Diploma - 2002)
  • Gernot Hanel (PhD - 2002)
  • Bettina Gstir (Diploma - 2000)
  • Gernot Hanel (Diploma - 2000)
  • Günter Denifl (PhD - 1998)

Internal documents

Only for co-workers.

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