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Workshop 5“Tender” X-ray Absorption Spectroscopy (at 1-5 KeV)"Date: Tuesday, May 22, 2007 Organizer(s): Location: Bldg. 510, Physics, Large Seminar Room Description: This workshop addresses the growing interest in spectroscopic applications of low-energy hard X-rays, in the 1-5 KeV range. This range is between the more commonly used vacuum soft (<1 KeV) and open-air hard (>~5 KeV) X-ray applications, and requires special attention to both beamline and experimental design. However, this range is home to the K absorption edges of several biologically and environmentally important elements such as P, S, and Cl, as well as the L and M edges of heavier elements, which access different electron transitions than their higher-energy counterparts. The workshop should be of interest to any users conducting or considering experiments in this energy range, spanning the fields of biology, environmental science, nanoscience and materials science. Speakers will address both scientific and technical aspects of “tender” X-ray absorption spectroscopy. The workshop will close with a discussion of future developments and applications, and potential opportunities at NSLS-II. Planned NSLS-II soft bend beamlines will have their best performance at 1-5 KeV.
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The National Synchrotron Light Source at Brookhaven National Laboratory in New York, is a national user research
facility funded by the U.S. Department of Energy's Office of Basic Energy Science. The NSLS operates two electron
storage rings: an X-Ray ring and a Vacuum UltraViolet (VUV) ring which provide intense light spanning the electromagnetic
spectrum from the infrared through x-rays. Each year over 2300 scientists from universities, industries and government
labs perform research at the NSLS.