Kraus, D., Otten, A., Frank, A., Bagnoud, V., Blažević, A., Gericke, Dirk O., Gregori, Gianluca, Ortner, A., Schaumann, G., Schumacher, D., Vorberger, Jan, Wagner, F., Wünsch, Kathrin and Roth, M. (2012) X-ray Thomson scattering on shocked graphite. High Energy Density Physics, Vol. 8 (No. 1). pp. 46-49. doi:10.1016/j.hedp.2011.11.011 ISSN 15741818.

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Abstract

We present measurements of the changes in the microscopic structure of graphite in a laser-driven shock experiment with X-ray scattering. Laser radiation with intensities of ∼2 × 1013 W/cm2 compressed the carbon samples by a factor of two reaching pressures of ∼90 GPa. Due to the change of the crystalline structure the scattered signals of the probe radiation were modified significantly in intensity and spectral composition compared to the scattering on cold samples. It is shown that the elastic scattering on tightly bound electrons increases strongly due to the phase transition whereas the inelastic scattering on weakly bound electrons remains nearly unchanged for the chosen geometry.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title:	High Energy Density Physics
Publisher:	Elsevier BV
ISSN:	15741818
Official Date:	2012
Dates:	Date Event 2012 UNSPECIFIED
Volume:	Vol. 8
Number:	No. 1
Page Range:	pp. 46-49
DOI:	10.1016/j.hedp.2011.11.011
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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