ALOISA
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ALOISA - Advanced Line for Overlayer, Interface and Surface Analysis
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ALOISA is an INFM beamline at the Elettra Synchrotron in Trieste,
Italy, a third generation light source operating at a storage
ring energy of 2 and 2.4 GeV. ALOISA is a multipurpose
beamline for surface science experiments. It has been designed to work in a
wide spectral range (130-8000 eV) with the light beam impinging on the
sample surface at grazing incidence. Several kind of detectors (electron
spectrometers and energy resolved photon detectors) have been
accomodated inside the experimental chamber for perfoming experiments of
- surface X-ray diffraction (SXRD),
- X-ray reflectivity (XRR),
- photoelectron diffraction (PED),
- X-ray absorption spectroscopy (XANES, EXAFS),
- angle-risolved X-ray photoemission spectroscopy (XPS),
- angle resolved Auger-photoelectron coincidence spectroscopy
(AR-APECS).
The ALOISA beamline is run by a research group which is part of the Surface Structure Division at the TASC Laboratory. Since March 1998 ALOISA is open to external users. The available beamtime is dedicated to experiments as follows:
70 % is assigned to external users via a joint INFM/Elettra committee (how to apply);
30 % is left to the local research unit (GdR) for in-house research, maintenance and development.
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