White, S., Nersisyan, G., Kettle, B., Dzelzainis, T. W. J., McKeever, K., Lewis, C. L. S., Otten, A., Siegenthaler, K., Kraus, D., Roth, M., White, T., Gregori, Gianluca, Gericke, Dirk O., Baggott, Rory, Chapman, D. A., Wünsch, Kathrin, Vorberger, Jan and Riley, D. (2013) X-ray scattering from warm dense iron. High Energy Density Physics, Volume 9 (Number 3). pp. 573-577. doi:10.1016/j.hedp.2013.05.015 ISSN 1574-1818.

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Abstract

We have carried out X-ray scattering experiments on iron foil samples that have been compressed and heated using laser-driven shocks created with the VULCAN laser system at the Rutherford-Appleton Laboratory. This is the highest Z element studied in such experiments so far and the first time scattering from warm dense iron has been reported. Because of the importance of iron in telluric planets, the work is relevant to studies of warm dense matter in planetary interiors. We report scattering results as well as shock breakout results that, in conjunction with hydrodynamic simulations, suggest the target has been compressed to a molten state at several 100 GPa pressure. Initial comparison with modelling suggests more work is needed to understand the structure factor of warm dense iron.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title:	High Energy Density Physics
Publisher:	Elsevier Advanced Technology
ISSN:	1574-1818
Official Date:	September 2013
Dates:	Date Event September 2013 Published
Volume:	Volume 9
Number:	Number 3
Page Range:	pp. 573-577
DOI:	10.1016/j.hedp.2013.05.015
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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