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  • Spring 2009—Aladdin Newsletter No. 47

    Synchrotron Radiation Center

    Posted 6-1-2010

    In this Issue:

    1. SRC Aladdin Newsletter – Spring 2010

      1. Forging Forward! - An Update on SRC Funding

      2. Upcoming Meetings and Workshops

      3. 2010 SRC-REU Program

      4. Farewell to Graduate Students

      5. SRC Active in the Discussion of Future of Lightsources

       

      1. Forging Forward! - An Update on SRC Funding

      First, the U.S. Department of Energy Basic Energy Sciences has indicated support for a research and development project at SRC focusing on the fabrication and initial testing of a superconducting RF electron gun for a free electron laser-the next generation of light sources. The science that is foreseen possible with a free electron laser spans many disciplines including atomic physics, condensed matter physics and materials sciences, femtochemistry, biology, and various fields of engineering. Such a light source will enable advances in disease research, biofuels, solar cells, nanotechnology and more. The experimental methods spawned will have high impact through ultrahigh resolution in the time and frequency domains combined with full transverse coherence for imaging and nanofabrication.

      Secondly, SRC also recently learned from NSF that a supplemental funding proposal was approved by DMR. We are awaiting final notification from the NSF grants office. This ensures SRC continued operational funding through April 2011 at its current level.

      Finally, regarding funding proposals in the works, NSF DMR has also encouraged SRC to submit a proposal for longer term, multiple-year funding including extended operations of the Aladdin ring. Additionally, SRC will submit to NSF in June an IMR-MIP (Instrumentation for Materials Research-Major Instrumentation Projects) proposal for a comprehensive research and development project for a free electron laser.

       

      2. Upcoming Meetings and Workshops

      Infrared Workshop. A one-day workshop entitled "The Status and Future of Synchrotron Based FTIR Imaging" will be held at SRC on Thursday, October 7, from 8:30 AM to 5 PM, followed by a dinner. Talks and posters surrounding the topic of "Applications, Fundamental Optics and Chemometrics, Synchrotron to Benchtop Connection" will be followed by a roundtable discussion. For more information about the workshop contact the SRC Main Office at srcadmin@src.wisc.edu.

      Users' Meeting. The 2010 Users' Meeting will be held on October 8-9.

      Note (added 6-28-2010): The IR workshop has been extended to a 3-day workshop.

      3. 2010 SRC-REU Program

      The beginning of summer marks the end of the school year for many, but it also means that another group of SRC-REU students will be visiting the facility and working with researcher mentors on a 10-week long project that will culminate with the students presenting their work at both a poster session and a seminar style presentation. This summer’s five students and their mentors are listed below.

      Chandler Benjamin (Saginaw Valley State University) will work with Narayana Appathurai on photoelectron imaging of nanostructures using X-rays. Diana Larin (Queens College, CUNY) will work with the Infrared Group (Carol Hirschmugl, Bob Julian, Michael Nasse, and Margaret Rak) on fourier transform infrared microspectroscopy studies in cell biology. Emily Makoutz (University of Wisconsin, LaCrosse) will work with Ralf Wehlitz and Tim Hartman on multiple ionization of atoms and molecules by photon impact. Nerissa Mitchell (Xavier University of Lousiana) will also work with the Infrared Group. Sarah Thompson (Emory & Henry College) will work with Leon Shohet and Achint Sehgal on design and fabrication of nanoengineered damage-resistant dielectric materials.

       

      4. Farewell to Graduate Students

      Two valued members of the SRC community, Richard Hatch and Rebecca Metzler, have concluded their PhD degrees at UW Madison and will be moving on to other pursuits by the end of the summer.

      Before coming to UW Madison and subsequently SRC Rebecca Metzler graduated from high school in Chelsea, MI and received a BS at Denison University, a small liberal arts college, which allowed her to participate in athletics while taking classes in a variety of disciplines, including her eventual major – physics. Upon arriving at UW Madison, she eventually selected Pupa Gilbert’s group and biomineralization research. Biomineralization is a ~600 million year old process in which living organisms form inorganic materials. Metzler’s PhD research focused on examining the interaction between the organic and inorganic components in biominerals using x-ray absorption near-edge structure (XANES) spectroscopy and x-ray photoemission electron microscopy (X-PEEM) at the SRC. In July Rebecca moves to Hamilton, NY to begin a tenure-track Biophysics position at Colgate University where she will continue biomineralization research, focusing on the structure of barnacle exoskeletons and the interaction between organic and mineral components in the barnacle cement.

      Richard Hatch gained interest in condensed matter physics as a sophomore at Utah State University (USU) where his thermodynamics professor offered a position in his surface science lab where they worked on solid-state quantum computing schemes. After applying to several graduate schools Hatch chose Wisconsin because of the quality of the research being performed, the wide variety of research opportunities and the fact that Wisconsin has some of the best biking and Nordic skiing in the U.S. His graduate studies focused primarily on the electronic properties of organic semiconductor as studied with synchrotron radiation and angle resolved photoemission spectroscopy (ARPES). The motivation behind his studies on organic semiconductors was to try and explain why they are such promising candidates for use in novel electronic devices such as spray- or paint-on solar cells, flexible displays and printed electronics.  His educational development and career will most likely continue with a postdoctoral position at the synchrotron at Aarhus University where he will study primarily topological insulators and graphene using ARPES. The researchers at Aarhus also have an interest in expanding their scanning tunneling microscopy studies on organic semiconducting materials to include photoemission. In the more distant future he would like to continue to study the electronic properties of materials either in industry or academia.

       

      5. SRC Active in the Discussion of Future of Lightsources

      Two workshops were held during the past year focusing on future light sources. The DOE BES sponsored a workshop on the Physics of Future Light Sources, held in Gaithersburg, MD, September 15-17, 2009.   On March 1-5, 2010 the ICFA 48th Advanced Beam Dynamics Workshop on Future Light Sources was held at SLAC. Joe Bisognano co-chaired the FEL working groups at both events. Bob Legg attended the Maryland workshop and Ken Jacobs, Mike Green, and Jim Lawler participated at the SLAC meeting. 

      The report of the BES working group is  published in Nuclear Instruments and Methods, and is available at http://dx.doi.org/10.1016/j.nima.2010.02.274.  The talks from the SLAC workshop can be found at http://www-conf.slac.stanford.edu/icfa2010/

       

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      Up-to-date listings of publications presenting research done at SRC can be found on the SRC website. (http://www.src.wisc.edu/users/publications/). Researchers who have published work as a result of work done at SRC are encouraged to double-check to make sure that their recent publications are included on the current list. Please send along any updates to Katherine Spencer at kspencer@src.wisc.edu

      The Synchrotron Radiation Center is funded by the National Science Foundation (Award No. DMR-0537588)and operated by the Graduate School of the University of Wisconsin-Madison

       To subscribe to the SRC Newsletter, please send an email with no message to subscribe-src-newsletter@lists.wisc.edu.