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.
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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