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EA15-HP1 HEMISPHERICAL ENERGY ANALYSER

DESCRIPTION

The PREVAC EA15-HP1 hemispherical energy analyser, which is based on the EA15 analyser, allows due to special designed extraction cones and automatic vacuum control, high-resolution PES measurements in static and dynamic environments up to 1 mbar.
Equipped with a total number of 11 slits, the analyser offers the possibility to choose between best energy resolution and best intensity. According to given photoelectron energy the analyser is set up with up to 8 predefined PE to satisfy customer’s requirements.

DETECTORS

  • CCD-MCD detector

– 40 mm diameter dual MCP detector

– 656 energy channels available simultanously

– 494 angular channels available simultanously

– 90 fps

  • DLD detector
  • 7-MCD detector

ANALYSER PACKAGE

The analyser package includes:

  • PREVAC EA15-HP1 150 mm hemispherical energy analyser
  • PREVAC RUDI-EA2 high stable and low noise electronics ▪ PREVAC SPECTRIUM acquisition and analyser control software with Windows OS computer system.

 ADDITIONAL INFORMATION

EA15-HP1 hemispherical energy analyser can be controlled directly by LabVIEW programming environment.

TECHNICAL DATA

Mounting flange       DN 100 CF
Bakeout temperature    up to 120 °C
Working distance      1-2 mm (dependent on cone opening)
Analyser mean radius    150 mm
Pass energies        1, 2, 5, 10, 20, 50, 100, 200 eV
Energy resolution

XPS              < 20 meV FWHM

XPS/UPS & XPS/UPS/ARPES   < 3 meV FWHM

Kinetic energy range        0.5 – 2000eV

Acquisition modes         fixed, scan

Transmission and angular lens mode:

  • lens acceptance angle      +/- 15° (transmission mode)
  • lens acceptance angle      +/- 10° (angular mode)

Maximum energy          12.5 % of pass energy

window in fixed mode        (for CCD-MCD)

Completely designed of non-magnetic materials

SPECTRIUM SOFTWARE

NOTE  |  The use of a mu-metal analysis vacuum chamber or an inner mu-metal shielded chamber in combination with PREVAC EA15-HP1 analyser is recommended in order to minimalize influence of external magnetic fields and to maximize performance of the analyser.

 

 

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