Partner User Proposal Abstract

Development of Small-Angle X-ray Photon Correlation Spectroscopy for Studies of the Dynamics of Soft Matter (PUP-35)

Our PUP goals are as follows:

Upgrade existing beamline optics and implement vertical focusing to provide the capability of measuring sample dynamics 100-1000x faster than can currently be measured at 8-ID-I.

  • Add sample degrees of freedom so that 8-ID-I can be used to study crystalline and liquid crystalline samples in the small-angle regime, and increase the volume of reciprocal space available to expriments in order to extend XPCS measurements to shorter length scales.
  • Decrease the ratio of XPCS data-analysis time to data-acquisition time for relatively slow dynamics from approximately 2:1 to 0:1 (real-time analysis) and for relatively fast dynamics from 10:1 to 1:1 (near real-time analysis).
  • To accomplish these goals, we are seeking 20% of the available beam time at undulator station 8-ID-I for the next three years via this Partner User Proposal of limited scope. Additional benefits and subsidiary goals of this PUP are the following:
  • Broaden the soft-matter XPCS user community by developing user-friendly, and fast, data reduction software and experiment infrastructure to facilitate soft matter science.
  • Provide in-depth training for the graduate students and post-docs who will comprise the next generation of x-ray scientists.