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  • Analyzer / electron spectrum / panel-mounted

HIPP series

Article: 00126832

Analyzer / electron spectrum / panel-mounted

50 mbar N2 / 20 mbar H2O pressure at sample position
Energy range up to 10 000 eV with full angular acceptance
Refocusing pre-lens with efficient differential pumping
Angular acceptance: 26°
Angular resolved range: 22°
Interchangeable / customized front cones
The HiPP-2 analyser is a based on the 10 keV analyser and developed to allow for high pressures at the sample position. This is achieved by the addition of a pre-lens that combines efficient differential pumping with electron optics, that refocuses the electron paths through the pre-lens. The resulting transmission is at least an order of magnitude better than conventional differential pumping setups.

New directions of Science
While photemission traditionally have been limited to ultra-high vacuum (UHV) conditions, the possibility to perform experiments under ambient pressure conditions opens up for completely new directions of science. Research topics that become possible include studies of liquids, gaseous samples and aerosols, as well as studies of catalysis under near-working conditions.

Furthermore, the combination of ambient pressure and HAXPES enables studies of buried interface and bulk properties of complex samples including fuel cells. The long electron inelastic mean free path characteristic of the HAXPES regime enables detailed studies of liquid/solid and liquid/ liquid interfaces, including chemical information. This capability makes HiPP-HAXPES a unique tool for investigations of these systems. The R4000 HiPP-2 instrument introduces photoemission as an attractive tool for a wide range of research areas, including wet chemistry, atmospheric physics/chemistry and biology.

Specifications

  • Measured value: electron spectrum
  • Portability: panel-mount

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