What is it about?
Damage due to intense radiation manifests as a structural disorder in the crystal, that suppresses scattering at high angles and can heat the crystal and/or modify the equilibrium between various structural modifications. Prolonged exposure to a very intense synchrotron beam suppresses the incommensurate phases that are periodical in high-dimensional space.
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Why is it important?
Crystal structures of important materials could be wrongly determined because of the radiation damage. Consequently, their relationship to the physical properties could be misunderstood. The design and optimization of new materials might be hampered.
Perspectives
Traditional ways and strategies to investigate materials using high-brilliance synchrotron radiation need to be revised.
Andrzej Grzechnik
Research Centre Jülich
Read the Original
This page is a summary of: Incommensurate structures and radiation damage in Rb2V3O8 and K2V3O8 mixed-valence vanadate fresnoites, Acta Crystallographica Section B Structural Science Crystal Engineering and Materials, February 2023, International Union of Crystallography,
DOI: 10.1107/s2052520623000999.
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