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MagStREXS, a crystallographic computer program to determine magnetic structures through resonant elastic X-ray
Pablo J Bereciartua1, Juan Rodríguez-Carvajal2, Sonia Francoual1
1Deutsches Elektronen-Synchrotron DESY Hamburg Germany.
None:
Resonant elastic X-ray scattering (REXS) is an experimental technique that can be highly valuable for studying magnetic structures in certain scenarios. In this paper, we introduce MagStREXS, a crystallographic program designed to determine magnetic structures from REXS data. This software makes use of the key concepts and computational tools already established in the field of magnetic crystallography. Here, we present the fundamental equations implemented in MagStREXS, derived for the two methods used to describe magnetic models: the representation analysis and the symmetry-based approach. We illustrate the capabilities of MagStREXS with a case study. The software is under active development, with the aim of benefiting both specialists and non-specialists in the field.
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