Hemispherical energy analyser EA15

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Hemispherical energy analyser EA15

The EA15 provides high-resolution PES measurements with a 150 mm mean radius analyser.

SKU: 285 Category:

Description

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, 200 eV
1, 2, 5, 10, 20, 50, 100, 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

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

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