Hemispherical Energy Analyser EA15-HP50

The EA15-HP50 allows high-resolution PES measurements in static and dynamic environments up to 50 mbar.

Manufacturer

Prevac

Prevac are a world leader in the design and production of analytical and deposit scientific and research equipment. Their systems operate in a high and ultra high vacuum environment. They design and construct UHV and HV systems fully adapted to the individual requirements of research projects and industrial applications.

Key Features

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

Description

The analyser is equipped with a total number of 11 slits and 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.

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

Note: The use of a mu-metal analysis vacuum chamber or an inner mu-metal shielded chamber in combination with PREVAC EA15-HP50 hemispherical energy analyser is recommended in order to minimalise influence of external magnetic fields and to maximise performance of the analyser.

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

Technical data

Mounting flange	DN 200 CF
Bakeout temperature	up to 120 °C
Working distance	0.3-2 mm (dependent on cone opening)
Analyser mean radius	150 mm
Pass energies XPS XPS/UPS & XPS/UPS/ARPES*	5, 10, 20, 50, 100, 200, 250, 300, 500 eV
Energy resolution XPS XPS/UPS & XPS/UPS/ARPES*	< 20 meV FWHM
Kinetic energy range	0.5 – 1500 eV
Acquisition modes	fixed, scan
Transmission and angular lens mode: ▫ lens acceptance angle (transmission mode)	+/- 9°
Maximum energy window in fixed mode	12.5 % of pass energy (for MCP-CCD)
Completely designed of non-magnetic materials