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Keppens takes over as head of UT-ORNL Joint Institute of Advanced Materials

Posted at 5:55 pm June 25, 2016
By Oak Ridge Today Staff Leave a Comment

Veerle Keppens

The University of Tennessee and Oak Ridge National Laboratory Joint Institute for Advanced Materials has named Veerle Keppens as its new director. (Photo courtesy UT)

 

The University of Tennessee and Oak Ridge National Laboratory Joint Institute for Advanced Materials has named Veerle Keppens as its new director.

Keppens, current head of the Department of Materials Science and Engineering in UT’s College of Engineering, brings a knowledge of advanced materials—substances with properties that go beyond the norm in one or more aspects, such as electronically or chemically—that will allow her to transition to the new role without a learning curve, a press release said.

“Dr. Keppens carries a wealth of materials science knowledge to this position along with a well as a passion for broadening our understanding in these areas of research,” said UT Chancellor Jimmy G. Cheek. “She has worked well in research partnerships with ORNL and will be a strong leader of the institute.”

UT and ORNL established JIAM in 2005 as a way of bringing together researchers studying those materials, with the impact of that research being as varied as the materials themselves. [Read more…]

Filed Under: College, Education, Front Page News, Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: Advanced Materials, advanced structural materials, College of Engineering, Department of Materials Science and Engineering, functional materials, George Pharr, hybrid materials, JIAM, Jimmy G. Cheek, Joint Institute for Advanced Materials, Oak Ridge National Laboratory, ORNL, University of Tennessee, UT, Veerle Keppens

Advanced composites expert named newest UT-ORNL Governor’s Chair

Posted at 10:14 am June 18, 2015
By University of Tennessee Leave a Comment

Uday Vaidya

Uday Vaidya

KNOXVILLE—The position of the University of Tennessee in Knoxville and Oak Ridge National Laboratory as leaders in the manufacturing revolution has taken another bold step forward with the hiring of Uday Vaidya as the Governor’s Chair in Advanced Composites Manufacturing.

Vaidya becomes the 14th UT-ORNL Governor’s Chair and the seventh devoted to some aspect of advanced manufacturing, underscoring the importance of this research and the role of the two institutes in it.

“We are pleased to welcome Uday and the leadership he brings in the growing area of advanced composites manufacturing,” said UT Chancellor Jimmy G. Cheek. “His research will contribute to the vital building blocks we have with ORNL and our momentum as leaders in the field.” [Read more…]

Filed Under: College, Education, Front Page News, Oak Ridge National Laboratory, U.S. Department of Energy Tagged With: advanced manufacturing, Advanced Materials, composites, engineers, Governor's Chair in Advanced Composites Manufacturing, IACMI, Institute for Advanced Composites Manufacturing Innovation, Jimmy G. Cheek, manufacturing, Martin Keller, Oak Ridge National Laboratory, ORNL, Uday Vaidya, University of Tennessee, UT, UT-ORNL Governor's Chari

ORNL’s Kalinin awarded Royal Microscopical Society medal

Posted at 12:03 am March 20, 2015
By Oak Ridge National Laboratory Leave a Comment

Sergei Kalinin

With scanning probe microscopy, ORNL’s Sergei Kalinin explores nanoscale phenomena in new materials for energy and data storage to accelerate their discovery, design, and deployment. (Photo courtesy ORNL) 

 

Materials scientist Sergei Kalinin of the U.S. Department of Energy’s Oak Ridge National Laboratory has been awarded the inaugural Medal for Scanning Probe Microscopy, or SPM, by the Royal Microscopical Society, or RMS.

Kalinin is director of ORNL’s Institute for Functional Imaging of Materials, which melds capabilities in imaging, high-performance computing, and materials theory to guide the design of advanced materials for energy applications. He is also a theme leader at the  Center for Nanophase Materials Sciences, a DOE Office of Science User Facility at ORNL, and an adjunct associate professor of materials science and engineering at the University of Tennessee in Knoxville. [Read more…]

Filed Under: Front Page News, Honors and Spotlight, Oak Ridge National Laboratory, U.S. Department of Energy Tagged With: Advanced Materials, Center for Nanophase Materials Sciences, DOE, high-performance computing, imaging, Institute for Functional Imaging of Materials, materials theory, Medal for Scanning Probe Microscopy, Oak Ridge National Laboratory, Office of Science, ORNL, RMS, Royal Microscopical Society, scanning probe microscopy, Sergei Kalinin, SPM, U.S. Department of Energy, University of Tennessee

ORNL scientists uncover clues to role of magnetism in iron-based superconductors

Posted at 1:12 am August 25, 2014
By Oak Ridge National Laboratory Leave a Comment

Magnetism of Iron-based Superconductors

Oak Ridge National Laboratory scientists used scanning transmission electron microscopy to measure atomic-scale magnetic behavior in several families of iron-based superconductors. (Photo courtesy ORNL)

 

New measurements of atomic-scale magnetic behavior in iron-based superconductors by researchers at Oak Ridge National Laboratory and Vanderbilt University are challenging conventional wisdom about superconductivity and magnetism.

The study published in Advanced Materials provides experimental evidence that local magnetic fluctuations can influence the performance of iron-based superconductors, which transmit electric current without resistance at relatively high temperatures.

“In the past, everyone thought that magnetism and superconductivity could not coexist,” said ORNL’s Claudia Cantoni, the study’s first author. “The whole idea of superconductors is that they expel magnetic fields. But in reality things are more complicated.”

Superconductivity is strongly suppressed by the presence of long-range magnetism—where atoms align their magnetic moments over large volumes—but the ORNL study suggests that rapid fluctuations of local magnetic moments have a different effect. Not only does localized magnetism exist, but it is also correlated with a high critical temperature, the point at which the material becomes superconducting. [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Science, U.S. Department of Energy Tagged With: Advanced Materials, Andrew May, Athena Safa-Sefat, atomic-scale magnetic behavior, Brian Sales, Center for Nanophase Materials Sciences, Claudia Cantoni, DOE, Elbio Dagotto, electric current, electron energy loss spectroscopy, iron-based superconductors, Jonathan Mitchell, Juan-Carlos Idrobo, magnetic moments, magnetic properties, magnetism, Matthew Chisholm, Michael McGuire, National Science Foundation, Oak Ridge National Laboratory, Office of Science, Orbital occupancy and charge doping in iron-based superconductors, ORNL, scanning transmission electron microscopy, superconductivity, superconductors, Tom Berlijn, U.S. Department of Energy, University of Tennessee Stephen Pennycook, Vanderbilt University, Wu Zhou

ORNL launches Imaging Institute

Posted at 1:28 pm June 23, 2014
By Oak Ridge National Laboratory Leave a Comment

Sergei Kalinin of ORNL Institute for Functional Imaging of Materials

Sergei Kalinin is inaugural director of Oak Ridge National Laboratory’s Institute for Functional Imaging of Materials. (Image credit: Jason Richards, ORNL)

 

By Dawn Levy

Oak Ridge National Laboratory has launched the Institute for Functional Imaging of Materials to accelerate the discovery, design, and deployment of new materials. The institute will meld world-class capabilities in imaging, high-performance computing, materials science, and other scientific disciplines to probe materials. It supports President Obama’s Materials Genome Initiative, which aims to bring new materials to the marketplace.

“Advanced materials are essential to clean energy, national security and global competitiveness,” said ORNL Director Thom Mason. “Key energy technologies like solar cells, superconductors, and batteries all have shortcomings that next-generation materials might overcome.”

By focusing expertise from ORNL’s diverse science portfolio, capabilities in high-performance computing, and success in creating new tools for discovery, the institute promises to speed the arrival of next-generation materials. [Read more…]

Filed Under: Oak Ridge National Laboratory, Science, Top Stories, U.S. Department of Energy Tagged With: Advanced Materials, high-performance computing, IFIM, imaging, Institute for Functional Imaging of Materials, Materials Genome Initiative, materials science, Michelle Buchanan, Oak Ridge National Laboratory, ORNL, President Obama, Sergei Kalinin, Thom Mason

ORNL recipe for oxide interface perfection opens path to novel materials

Posted at 11:30 am November 25, 2012
By Oak Ridge National Laboratory Leave a Comment

By tweaking the formula for growing oxide thin films, researchers at the Oak Ridge National Laboratory achieved virtual perfection at the interface of two insulator materials.

This finding, published in the journal Advanced Materials, could have significant ramifications for creation of novel materials with applications in energy and information technologies, leading to more efficient solar cells, batteries, solid oxide fuel cells, faster transistors, and more powerful capacitors.

[Read more…]

Filed Under: Science, Top Stories Tagged With: Advanced Materials, Advanced Photon Source, Argonne National Laboratory, Gyula Eres, Ho Nyung Lee, insulators, lanthanum aluminate, Materials Science and Technology Division, Oak Ridge National Laboratory, ORNL, oxide thin films, oxides, strontium titanate

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Public Notice: NNSA announces no significant impact of Y-12 Development Organization operations at Horizon Center

AVAILABILITY OF THE FINAL ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

ADFAC seeks contractors for five homes

Aid to Distressed Families of Appalachian Counties (ADFAC) is a non-profit community based agency, … [Read More...]

Public notice: Draft environmental assessment for Y-12 Development Organization at Horizon Center

AVAILABILITY OF THE DRAFT ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

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