Energy Absorption and Beam Damage during Microfocus Synchrotron X-ray Diffraction
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2024-06-20
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Journal Article
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Abstract
In this study, we combine in situ fast differential scanning calorimetry (FDSC) with synchrotron X-ray measurements to study simultaneously the structure and thermophysical properties of materials. Using the example of the organic compound BCH-52, we show that the X-ray beam can heat the sample and induce a shift of the heat-flow signal. The aim of this paper is to investigate the influence of radiation on sample behavior. The calorimetric data is used to quantify the absorbed beam energy and, together with the diffraction data, reveal an irreversible damage of the sample. The results are especially important for materials with high absorption coefficients and for high-energy X-ray and electron beams. Our findings illustrate that FDSC combined with X-ray diffraction is a suitable characterization method when beam damage must be minimized.
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15 (24)
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6286 - 6291
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American Chemical Society
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03661 - Löffler, Jörg F. / Löffler, Jörg F.
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Is part of: https://doi.org/10.3929/ethz-c-000790156