X-ray scattering from warm dense iron

S. White*, G. Nersisyan, B. Kettle, T. W. J. Dzelzainis, K. McKeever, C. L. S. Lewis, A. Otten, K. Siegenthaler, D. Kraus, M. Roth, T. White, G. Gregori, D. O. Gericke, R. Baggott, D. A. Chapman, K. Wüensch, J. Vorberger, D. Riley

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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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. (C) 2013 Published by Elsevier B.V.

Original languageEnglish
Pages (from-to)573-577
Number of pages5
JournalHigh Energy Density Physics
Issue number3
Publication statusPublished - Sep 2013

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Radiation


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