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American Physical Society names ORNL’s Holifield Facility as historic physics site

Posted at 6:08 pm July 25, 2016
By Oak Ridge Today Staff Leave a Comment

ORNL-Holifield-Radioactive-Ion-Beam-Facility-1

The Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory is pictured above. (Photo courtesy ORNL)

 

The American Physical Society on Monday honored the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory as an APS Historic Physics Site.

It’s the first designated APS Historic Physics Site in Tennessee. The APS is one of the world’s top professional societies for scientists.

APS President-elect Laura Greene presented a plaque marking the historical designation of the now-decommissioned physics research facility to kick off the Nuclear Structure 2016 conference and Neutrinos in Nuclear Physics workshop being held this week in Knoxville. ORNL Deputy for Science and Technology Thomas Zacharia accepted the plaque for ORNL.

ORNL is a U.S. Department of Energy laboratory.

“In naming the Holifield Radioactive Ion Beam Facility as a Historic Physics Site, the American Physical Society took into consideration the half century of nuclear and atomic physics research performed there, as well as the scores of scientists who performed experiments with its unique capabilities,” Greene said. “The Holifield Facility has indeed been an important contributor to the physical sciences history.” [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: American Physical Society, APS, APS Historic Physics Site, astrophysics research, atomic physics, Chet Holifield, cyclotrons, DOE, heavy ions, Holifield Facility, Holifield Heavy Ion Research Facility, Holifield Radioactive Ion Beam Facility, HRIBF, isotope separation, Laura Greene, light ions, Neutrinos in Nuclear Physics, nuclear physics, nuclear structure, Nuclear Structure 2016 conference, Oak Ridge Isochronous Cyclotron, Oak Ridge National Laboratory, ORIC, ORNL, particle beams, physics research, radioactive ions, radioactive nuclei, reaction studies, short-lived radioactive nuclei, Tandem Electrostatic Accelerator, Thomas Zacharia, U.S. Department of Energy

ORNL technique could set new course for extracting uranium from seawater

Posted at 1:41 pm December 17, 2015
By Oak Ridge National Laboratory Leave a Comment

ORNL-TOC-Graphic

Using high-energy X-rays, researchers discovered uranium is bound by adsorbent fibers in an unanticipated fashion. (Image by ORNL)

 

An ultra-high-resolution technique used for the first time to study polymer fibers that trap uranium in seawater may cause researchers to rethink the best methods to harvest this potential fuel for nuclear reactors.

The work of a team led by Carter Abney, a Wigner Fellow at the U.S. Department of Energy’s Oak Ridge National Laboratory, shows that the polymeric adsorbent materials that bind uranium behave nothing like scientists had believed. The results, gained through collaboration with the University of Chicago and detailed in a paper published in Energy and Environmental Science, highlight data made possible with X-ray Absorption Fine Structure spectroscopy performed at the Advanced Photon Source. The APS is a DOE Office of Science User Facility at Argonne National Laboratory.

“Despite the low concentration of uranium and the presence of many other metals extracted from seawater, we were able to investigate the local atomic environment around uranium and better understand how it is bound by the polymer fibers,” Abney said. [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: Advanced Photon Source, APS, Argonne National Laboratory, Carter Abney, DOE Office of Science, Energy and Environmental Science, extracting uranium, Gabriel Veith, Marek Piechowicz, National Energy Research Scientific Computing Centre, nuclear reactors, Oak Ridge National Laboratory, Office of Nuclear Energy, ORNL, Richard Mayes, Sheng Dai, U.S. Department of Energy, University of Chicago, uranium, Vyacheslav Bryantsev, Wenbin Lin, Zekai Lin

Four ORNL researchers elected fellows of American Physical Society

Posted at 8:43 pm November 23, 2015
By Oak Ridge National Laboratory Leave a Comment

Jaime Fernandez-Baca

Jaime Fernandez-Baca (Photo courtesy ORNL)

Four researchers from Oak Ridge National Laboratory have been elected fellows of the American Physical Society, one of the nation’s top professional organizations for scientists.

Jaime Fernandez-Baca, Sergei Kalinin, Mark Lumsden, and Thomas Maier were selected for the honor by the APS Council of Representatives. They will be formally recognized at the APS’s March meeting.

Fernandez-Baca, a distinguished research staff member in the Quantum Condensed Matter Division in ORNL’s Neutron Science Directorate, was recognized by the APS Division of Materials Physics “for seminal neutron scattering studies of magnetic materials, especially the spin and lattice dynamics of colossal magnetoresistive manganites.”

Fernandez-Baca’s research is performed mainly at ORNL’s High Flux Isotope Reactor, where he is the lead for the Triple Axis Spectroscopy group. His expertise is in the study of the magnetic ordering and spin dynamics of complex oxides and related alloys using neutron scattering techniques.

He was the recipient of the International Atomic Energy Agency fellowship, the DOE Office of Science Outstanding Mentor Award (2008), and the Neutron Scattering Society of America Distinguished Service Award (2014). [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: American Physical Society, APS, Center for Nanophase Materials Science, Computer Science and Mathematics Division, electromechanics, High Flux Isotope Reactor, Institute for Functional Imaging of Materials, Jaime Fernandez-Baca, Mark Lumsden, neutron scattering, Neutron Science Directorate, Oak Ridge National Laboratory, Office of Science, ORNL, physics, scanning probe microscopy, scientists, Sergei Kalinin, Spallation Neutron Source, superconductors, Thomas Maier, U.S. Department of Energy, University of Tennessee, Wigner Fellow

ORNL researchers elected American Physical Society fellows

Posted at 12:02 pm April 17, 2013
By Oak Ridge National Laboratory Leave a Comment

Xiaoguang Zhang and Eliot Specht

Xiaoguang Zhang and Eliot Specht have been named American Physical Society fellows. (Submitted photo)

Two researchers from Oak Ridge National Laboratory have been elected to fellowship in the American Physical Society.

Xiaoguang Zhang and Eliot Specht were named APS fellows in recognition of their outstanding contributions to physics.

APS fellowship is limited to no more than 0.5 percent per year of the society’s more than 50,000 members. [Read more…]

Filed Under: Oak Ridge National Laboratory, Science, Top Stories Tagged With: American Physical Society, APS, Center for Nanophase Materials Sciences Division, Computer Sciences and Mathematics Division, crystallographic alignment, Eliot Specht, high-temperature superconductors, magnetic tunnel junctions, Material Sciences and Technology Division, Oak Ridge National Laboratory, ORNL, physics, scattering theory, Xiaoguang Zhang

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