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X‐Treme beamline at SLS: X‐ray magnetic circular and linear dichroism at high field and low temperature

X‐Treme is a soft X‐ray beamline recently built in the Swiss Light Source at the Paul Scherrer Institut in collaboration with École Polytechnique Fédérale de Lausanne. The beamline is dedicated to polarization‐dependent X‐ray absorption spectroscopy at high magnetic fields and low temperature. The source is an elliptically polarizing undulator. The end‐station has a superconducting 7 T–2 T vector magnet, with sample temperature down to 2 K and is equipped with an in situ sample preparation system for surface science. The beamline commissioning measurements, which show a resolving power of 8000 and a maximum flux at the sample of 4.7 × 1012 photons s−1, are presented. Scientific examples showing X‐ray magnetic circular and X‐ray magnetic linear dichroism measurements are also presented.

Authors:   Cinthia Piamonteze, Uwe Flechsig, Stefano Rusponi, Jan Dreiser, Jakoba Heidler, Marcus Schmidt, Reto Wetter, Marco Calvi, Thomas Schmidt, Helena Pruchova, Juraj Krempasky, Christoph Quitmann, Harald Brune, Frithjof Nolting
Journal:   Journal of Synchrotron Radiation
Volume:   19
edition:   5
Year:   2012
Pages:   661
DOI:   10.1107/S0909049512027847
Publication date:   21-Aug-2012
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