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Users Week 2008
May 4-8, 2008

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- April 4: poster abstracts
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- April 18: housing
- April 25: registration


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Workshop 8

Scattering and Spectroscopic Studies of Materials in High Magnetic Fields

Thu. May 8, all day
Building 360, Room L119

Organizers: Zahirul Islam, Jonathan C. Lang, George Srajer (APS)

To agenda > Updated 3/13/2008

Materials subjected to extremely high magnetic fields are of great interest in contemporary condensed matter physics and materials science. The magnetic field is a key fundamental parameter that enters directly into the energy expressions (i.e. the so-called Hamiltonian) that govern all properties of materials. Novel states of matter that are crucial for a correct understanding of properties of materials may only be observed with an applied high magnetic fields.  The problems of interest in high magnetic fields are varied.  They include field-induced structural responses in energy-related functional materials (magneto-caloric and magneto-electric oxides), vortex physics and competing ground states in superconductors, quantum hall effects, Bose-Einstein condensation in spin-gap materials, long-range order in frustrated magnets, meta-magnetism in rare-earth compounds, etc.  The need for developing high-field magnets for x-ray studies of such problems has been duly identified by National Research Council.  There are vigorous research activities and future plans in ESRF, SPring8, and APS focusing on studies of materials in high magnetic fields exceeding what is available using conventional superconducting magnets. The primary objective of this workshop is to bring together researchers from academic institutions, magnet research laboratories, and synchrotron facilities, respectively, to assess current state of research, to discuss future scientific venues, and to identify and outline solutions to challenges facing synchrotron applications of high-field (both static and pulsed) magnets.


9:00 - 9:05 Welcome
Session I: Materials science in high magnetic fields
Chair: Ulrich Welp, Argonne National Laboratory
9:05 - 9:40 Field stabilized states:  what materials, what physics, what requirements
Paul C. Canfield, Iowa State University
9:40 - 10:15 Exotic ground states in quantum and frustrated magnets: opportunities for extreme magnetic field environments 
Bruce D. Gaulin, McMaster University
10:15 - 10:50 Break
10:50 - 11:25 Magnetic field- and chemical composition-tuned exotic phenomena in perovskite ruthenates
Zhiqiang Mao, Tulane University
11:25 - 12:00 Dilatometry study of URu2-xRhxSi2 (x = 8 %) in high magnetic fields and low temperature
Sonia Francoual, Los Alamos National Laboratory
12:00 - 1:15 Lunch
Session II: Research activities in high magnetic fields at synchrotron facilities
Chair: Ray Osborn, Argonne National Laboratory
1:15 - 1:50 High magnetic field x-ray spectroscopy by using a mini-coil system
Hiroyuki Nojiri, Tohoku University
1:50 - 2:25 Direct observation of the high magnetic field effect on the Jahn-Teller state in TbVO4
Carsten Detlefs, European Synchrotron Radiation Facility
2:25 - 3:00 Break
3:00 - 3:35 X-ray diffraction studies of strongly correlated systems in high magnetic fields: current and future research opportunities
Valery Kiryukhin, Rutgers University
3:35 - 4:10 Resonant magnetic x-ray diffraction under strong pulsed magnetic fields
Toshiya Inami, Japan Atomic Energy Agency and SPring8
4:10 - 4:45 XMCD under pulsed magnetic field up to 30 Tesla and low temperature down to 10 K
Oliver Mathon, European Synchrotron Radiation Facility
4:45 - 5:00 Conclude workshop




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