Ultrafast nonthermal heating of water initiated by an X-ray Free-Electron Laser
Journal Article
·
· Proceedings of the National Academy of Sciences of the United States of America
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science
- Uppsala Univ. (Sweden). Dept. of Physics and Astronomy
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Photon Science
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science; Univ. of Hamburg (Germany). Dept. of Physics; Univ. of Hamburg (Germany). Centre for Ultrafast Imaging
- Uppsala Univ. (Sweden). Dept. of Physics and Astronomy and Dept. of Cell and Molecular Biology
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science; Uppsala Univ. (Sweden). Dept. of Physics and Astronomy
The bright ultrafast pulses of X-ray Free-Electron Lasers allow investigation into the structure of matter under extreme conditions. We have used single pulses to ionize and probe water as it undergoes a phase transition from liquid to plasma. We report changes in the structure of liquid water on a femtosecond time scale when irradiated by single 6.86 keV X-ray pulses of more than 106 J/cm2. These observations are supported by simulations based on molecular dynamics and plasma dynamics of a water system that is rapidly ionized and driven out of equilibrium. Finally, this exotic ionic and disordered state with the density of a liquid is suggested to be structurally different from a neutral thermally disordered state.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- AC02-76SF00515; AC52-07NA27344
- OSTI ID:
- 1458456
- Alternate ID(s):
- OSTI ID: 1570664
OSTI ID: 1890816
OSTI ID: 1689887
- Report Number(s):
- BNL--212174-2019-JAAM
- Journal Information:
- Proceedings of the National Academy of Sciences of the United States of America, Journal Name: Proceedings of the National Academy of Sciences of the United States of America Journal Issue: 22 Vol. 115; ISSN 0027-8424
- Publisher:
- National Academy of Sciences, Washington, DC (United States)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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