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NSLS-II BNL

X-ray Photon Correlation Spectroscopy & Microbeam SAXS at NSLS-II

January 10-11, 2008

The purpose of this workshop is to develop the scientific and technical case for a beam line at NSLS-II designed to supply a brilliant source of coherent hard x-rays for x-ray photon correlation spectroscopy (XPCS) experiments and for small angle x-ray scattering (SAXS) experiments that can take advantage of a micrometer-sized beam with precise spatial positioning. It is anticipated that a Beamline Advisory Team (BAT) will form as a result of some of the discussions at this workshop and that this BAT will submit a Letter of Interest to work with NSLS-II on the design, construction and commissioning of this beamline.

Syllabus

Recent advances in the production of synchrotron radiation have fostered the development of methods utilizing coherent x-rays for x-ray photon correlation spectroscopy (XPCS) studies of materials. The analog of dynamic light scattering with x-rays, XPCS is uniquely suited for investigating the dynamics in materials on small (nanometer-scale) lengths. Expected to deliver nearly two orders of magnitude higher coherent x-ray flux in the hard x-ray range compared with existing synchrotron sources, NSLS-II promises to enable major advances in XPCS, particularly with regard to expanding significantly the dynamic range of the technique to shorter times. This workshop will explore the current state-of-the-art in XPCS and the new scientific opportunities that NSLS-II can make possible with the technique, as well as more generally with small angle x-ray scattering (SAXS) that can take advantage of a micrometer-sized beam with precise spatial positioning that a beam line designed for XPCS would provide. Instrumentation needed for pursuing these opportunities will also be discussed.

Agenda
 

January 10    
8:55 Welcome Bob Leheny
9:00 NSLS-II Overview John Hill
9:20 Prospects for XPCS/microbeam SAXS at NSLS-II Bob Leheny
9:35 XPCS Studies of Soft Glassy Materials: Accomplishments and Future Directions Jim Harden
10:50 Critical dynamics of capillary waves in an ionic liquid Eli Sloutskin
11:30 X-ray Photon Correlation Spectroscopy from Liquid Surfaces Larry Lurio
     
1:20 Domain Wall Dynamics in Antiferromagnetic Chromium Oleg Shpyrko
2:00 Investigating RNA folding using microfluidics and SAXS Lois Pollack
3:10 The Impact of Collective Molecular Dynamics on Physiological and Biological Functionalities of Artificial and Biological Membranes Maikel Rheinstädter
3:50 Dynamic Light Scattering Techniques for Intermittent and Evolving Systems Doug Durian
4:30 Discussion of Scientific Opportunities and Priorities for XPCS and microbeam SAXS at NSLS-II Aymeric Robert
 
January 11    
8:30 Microfluidics in XPCS at the ESRF Andrei Fluerasu
9:10 XPCS at the APS: Implementation and Operations Alec Sandy
9:50 Detector R&D for NSLS-II Peter Siddons
11:00 Design Status of Coherent Hard X-ray Beamline Lonny Berman
11:40 Discussion of Design and Instrumentation Priorities for XPCS and microbeam SAXS at NSLS-II Anders Madsen

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Last Modified: February 23, 2008
Please forward all questions about this site to: Gary Schroeder
 


DOE, Office of ScienceOne of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security. Brookhaven Lab also builds and operates major scientific facilities available to university, industry and government researchers. Brookhaven is operated and managed for DOE’s Office of Science by Brookhaven Science Associates, a limited-liability company founded by Stony Brook University, the largest academic user of Laboratory facilities, and Battelle, a nonprofit, applied science and technology organization.

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