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  • Patra Kumar, Kajwal, et al. (author)
  • Ultrafast dynamics and scattering of protic ionic liquids induced by XFEL pulses
  • 2021
  • In: Journal of Synchrotron Radiation. - : International Union Of Crystallography. - 0909-0495 .- 1600-5775. ; 28:5, s. 1296-1308
  • Journal article (peer-reviewed)abstract
    • X-rays are routinely used for structural studies through scattering, and femtosecond X-ray lasers can probe ultrafast dynamics. We aim to capture the femtosecond dynamics of liquid samples using simulations and deconstruct the interplay of ionization and atomic motion within the X-ray laser pulse. This deconstruction is resolution dependent, as ionization influences the low momentum transfers through changes in scattering form factors, while atomic motion has a greater effect at high momentum transfers through loss of coherence. Our methodology uses a combination of classical molecular dynamics and plasma simulation on a protic ionic liquid to quantify the contributions to the scattering signal and how these evolve with time during the X-ray laser pulse. Our method is relevant for studies of organic liquids, biomolecules in solution or any low-Z materials at liquid densities that quickly turn into a plasma while probed with X-rays.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Caleman, Carl (1)
Persson, Daniel (1)
Timneanu, Nicusor (1)
Martin, Andrew V. (1)
Patra Kumar, Kajwal (1)
Dawod, Ibrahim Eliah (1)
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Greaves, Tamar L. (1)
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University
Uppsala University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2021 (1)

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