Hemispherical energy analyser EA15

EA15 hemispherical energy analyser
Hemispherical energy analyser EA15 - Image 2
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Hemispherical energy analyser EA15

PREVAC EA15 hemispherical energy analyser provides high-resolution PES measurements with a 150 mm mean radius analyser. The analyser is wrapped in a shield constructed of up to two parallel mu-metal plates guaranteeing adequate analysis conditions for low-and high-energy photoelectrons. 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 9 predefined PE to satisfy customer’s requirements.

SKU: 285 Categories: , ,

Description

PREVAC EA15 hemispherical energy analyser

The analyser is wrapped in a shield constructed of up to two parallel mu-metal plates guaranteeing adequate analysis conditions for low-and high-energy photoelectrons.

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.

Package includes:

▪ EA15 150 mm hemispherical energy analyser,
▪ RUDI-EA2 high stable and low noise electronics,
▪ SPECTRIUM acquisition and analyser control software for Windows OS computer system,
▪ computer set.

Technical data

 

Mounting flange DN 100 CF
Bakeout temperature up to 150 °C
Working distance 43 mm
Analyser mean radius 150 mm
Pass energies
XPS
XPS/UPS & XPS/UPS/ARPES		 20, 50, 100, 150, 200 eV
1, 2, 5, 10, 20, 50, 100, 150, 200 eV
Energy resolution
XPS
XPS/UPS & XPS/UPS/ARPES		 < 20 meV FWHM
< 3 meV FWHM
Kinetic energy range 0.5 – 3000 eV
Acquisition modes fixed, scan
Transmission and angular lens mode:
▫ lens acceptance angle (transmission mode)
▫ lens acceptance angle (angular mode)		  

 

+/- 15°

+/- 3°

+/- 10°
IRIS aperture from 1 mm to 32 mm
Completely designed of non-magnetic materials
Possibility of exchanging detectors without dismounting the analyser
Feedthroughs on the analyser marked with dedicated colour corresponding with electronics to prevent mistakes during installation of the analyser
ISS/AES option included

Detectors

  • MCP-CCD detector

  • 40 mm diameter dual MCP detector
  • 656 energy channels available simultanously
  • 494 angular channels available simultanously
  • 90 fps

  • 7-MCD detector

DLD detector

  • Maximum energy window in fixed mode: ~17% of pass energy
  • 56 mm diameter detector with 7 channeltrons
  • Applied voltage: 2.5-3.5 kV

EA15 UHV Key Features

Versatility Across Applications: The EA15 hemispherical energy analyser supports a broad range of techniques, including:

  • Photoelectron Spectroscopy (PES)
  • Angle Resolved Photoelectron Spectroscopy (ARPES)
  • Ion Scattering Spectroscopy (ISS)
  • Depth Profiling with X-ray Photoelectron Spectroscopy (XPS)
  • Mapping XPS, HPS, SemiXPS, LEIS
  • Ultraviolet photoelectron spectroscopy (UPS)
  • Auger Electron Spectroscopy (AES)
  • Semi Hard X-ray photoelectron spectroscopy (semi HAXPES)
  • Low-energy ion scattering spectroscopy (LEIS)

Universal Compatibility: Works with any excitation source, ensuring effortless adaptability to diverse experimental setups.

Flexible Detector Options: Choose from multiple detector types for tailored performance:

  • MCP-CCD
  • 7MCD
  • DLD (Delay Line Detector)

State-of-the-Art Software: The SPECTRIUM software suite provides:

  • Full control of the analyzer, excitation sources, vacuum systems, and manipulators.
  • Data acquisition, mapping, and ARPES capabilities.
  • Control of manipulator temperature, enabling precise thermal experiments.
  • Quick export to analysis software like CasaXPS.
  • Creation of custom measurement recipes, including automated processes between measurements.
  • Python scripting support for advanced custom workflows.

Integration Options: The EA15 Analyzer can be operated via:

  • SPECTRIUM software
  • LabVIEW for seamless integration into custom setups

Advanced Surface Mapping: Perform precise surface mapping with automated manipulator control.

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