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Evidence for a glassy state in strongly driven carbon
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(2014) Evidence for a glassy state in strongly driven carbon. Scientific Reports, Volume 4 . Article number 5214. doi:10.1038/srep05214
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Official URL: http://dx.doi.org/10.1038/srep05214
Abstract
Here, we report results of an experiment creating a transient, highly correlated carbon state using a combination of optical and x-ray lasers. Scattered x-rays reveal a highly ordered state with an electrostatic energy significantly exceeding the thermal energy of the ions. Strong Coulomb forces are predicted to induce nucleation into a crystalline ion structure within a few picoseconds. However, we observe no evidence of such phase transition after several tens of picoseconds but strong indications for an over-correlated fluid state. The experiment suggests a much slower nucleation and points to an intermediate glassy state where the ions are frozen close to their original positions in the fluid.
| Item Type: | Journal Article | ||||||||
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| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
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| Divisions: | Faculty of Science > Physics | ||||||||
| Library of Congress Subject Headings (LCSH): | Carbon, X-rays -- Scattering, Plasma astrophysics, Space sciences, Cosmic physics | ||||||||
| Journal or Publication Title: | Scientific Reports | ||||||||
| Publisher: | Nature Publishing Group | ||||||||
| ISSN: | 2045-2322 | ||||||||
| Official Date: | 9 June 2014 | ||||||||
| Dates: |
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| Date of first compliant deposit: | 27 December 2015 | ||||||||
| Volume: | Volume 4 | ||||||||
| Article Number: | Article number 5214 | ||||||||
| DOI: | 10.1038/srep05214 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access | ||||||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), Atomic Weapons Establishment (Great Britain) (AWE), Science and Technology Facilities Council (Great Britain) (STFC), Deutsche Forschungsgemeinschaft (DFG), Volkswagenstiftung (VWS), National Research Foundation of Korea (NRF), Institute of Science and Technology, Gwangju (South Korea) (GIST) | ||||||||
| Grant number: | EP/G007187/1 (EPSRC), EP/G007462/1 (EPSRC), EP/D062837 (EPSRC), EP/I018484 (EPSRC), FSP-301 (DFG), 2013R1A1A1007084 (NRF) |
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