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VersaProbe4 X-ray Photoelectron Spectrometer
Contact: Dr. Hugo Celio
Email: hcelio@utexas.edu
Location: EER 6.636
Equipment Type:
Microscopy/Surface Analysis
Surface Analysis
- This instrument is a highly versatile, highly automated, multi-technique instrument, with a monochromatic, micro-focused X-ray source and 180° hemispherical electron energy analyzer optimized for high sensitivity spatially resolved chemical state analysis.
- The VersaProbe offers excellent micro-area spectroscopy performance with spot sizes between 7 and 300 mm and easily adjusted power.
- Available Ar Ion Cluster Gun (2.5 to 20kV) for surface cleaning and depth profiling.
- The system is also equipped with ultraviolet photoelectron spectroscopy (UPS) and reflection energy loss spectroscopy (REELS) .
- The system also provides Auger Electron Spectroscopy (AES) for imaging with better resolution than XPS ( 150 nm beam diameter).
Key Features
- Al and Zn/Mg (600W) X-ray sources
- Cooling/heating stage: -140°C to 800 °C
- Depth resolution: 2 to 8 nm
- Lateral resolution: 10 mm