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GIST Scholar College of Natural Sciences Department of Physics and Photon Science 1. Journal Articles

Evidence for a glassy state in strongly driven carbon

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Author(s)
Brown, C. R. D.; Gericke, D. O.; Cammarata, M.; CHO, B. I.; Doeppner, T.; Engelhorn, K.; Foerster, E.; Fortmann, C.; Fritz, D.; Galtier, E.; Glenzer, S. H.; Harmand, M.; Heimann, P.; Kugland, N. L.; Lamb, D. Q.; Lee, H. J.; Lee, R. W.; Lemke, H.; Makita, M.; Moinard, A.; Murphy, C. D.; Nagler, B.; Neumayer, P.; Plagemann, K. -U.; Redmer, R.; Riley, D.; Rosmej, F. B.; Sperling, P.; Toleikis, S.; Vinko, S. M.; Vorberger, J.; White, S.; White, T. G.; Wuensch, K.; Zastrau, U.; Zhu, D.; Tschentscher, T.; Gregori, G.
Type
Article
Citation
Scientific Reports, v.4
Issued Date
2014-06
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.
Publisher
NATURE PUBLISHING GROUP
ISSN
2045-2322
DOI
10.1038/srep05214
URI
https://scholar.gist.ac.kr/handle/local/15122
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