TITLE

A platform for x-ray absorption fine structure study of dynamically compressed materials above 1 Mbar

AUTHOR(S)
Ping, Y.; Hicks, D. G.; Yaakobi, B.; Coppari, F.; Eggert, J.; Collins, G. W.
PUB. DATE
December 2013
SOURCE
Review of Scientific Instruments;Dec2013, Vol. 84 Issue 12, p123105
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A platform consisting of a multi-shock drive and an implosion backlighter has been developed for x-ray absorption fine structure (XAFS) measurements on materials compressed to multi-Mbar pressures. The experimental setup, target design, and backlighter characteristics are presented. Extended XAFS (EXAFS) measurements for various materials have been demonstrated. A quintuple-crystal design is described to enhance the efficiency of the x-ray spectrometer, enabling observation of very weak EXAFS signals in a single shot.
ACCESSION #
93390574

 

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