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Ten ORNL scientists among world’s most highly cited researchers

Posted at 7:17 pm November 16, 2021
By Oak Ridge Today Staff Leave a Comment

Oak Ridge National Laboratory (Submitted photo)

Ten scientists from Oak Ridge National Laboratory are among the world’s most highly cited researchers, according to a bibliometric analysis conducted by the scientific publication analytics firm Clarivate. 
 
The annual list identifies researchers who demonstrated significant influence in their field through the publication of multiple highly cited papers during the last decade. These researchers authored publications that rank in the top 1% by citations for field and publication year in the Web of Science citation index. 
 
“Researchers at ORNL are leading the advancement of scientific knowledge in multiple fields,” ORNL Director Thomas Zacharia said in a press release. “This recognition demonstrates that the laboratory and our scientists are engaged in cutting-edge research and development to solve some of the world’s biggest challenges.” 
 
The ORNL scientists listed are:

[Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Science, Top Stories, U.S. Department of Energy Tagged With: Anthony Walker, Art Ragauskas, bibliometric analysis, Clarivate, Colleen Iversen, David Mandrus, Easo George, highly cited researchers, Jiaqiang Yan, Karren More, Miaofang Chi, Michael McGuire, Michael Naguib, Oak Ridge National Laboratory, ORNL, Richard Norby, Sheng Dai, Thomas Zacharia, Web of Science

ORNL wins nine R&D 100 Awards        

Posted at 1:58 pm December 21, 2017
By Oak Ridge National Laboratory Leave a Comment

A close-up look at the Open Port Sampling Interfaces for Mass Spectrometry, one of Oak Ridge National Laboratory’s seven 2016 R&D 100 Award winners. (Photo courtesy ORNL)

A close-up look at the Open Port Sampling Interfaces for Mass Spectrometry, one of Oak Ridge National Laboratory’s seven 2016 R&D 100 Award winners. (Photo courtesy ORNL)

 

Researchers at the U.S. Department of Energy’s Oak Ridge National Laboratory have received nine R&D 100 Awards in recognition of their significant advancements in science and technology, a press release said. The honorees were recognized in November at the 55th annual R&D 100 Conference, sponsored by R&D Magazine.

The awards, known as the “Oscars of Invention,” honor innovative breakthroughs in materials science, biomedicine, consumer products, and more from academia, industry, and government-sponsored research agencies. This year’s nine honors bring ORNL’s total of R&D 100 awards to 210 since their inception in 1963, the press release said.

ORNL researchers were recognized for the following innovations:

ACMZ Cast Aluminum Alloys were developed by a team of researchers from ORNL with Fiat Chrysler Automobile U.S. and Nemak U.S.A.

ACMZ aluminum alloys are a new class of affordable, lightweight superalloys capable of withstanding temperatures of almost 100-degree Celsius more than current commercial alloys while providing exceptional thermomechanical performance and hot tear resistance.

Common commercial alloys soften rapidly at high temperatures, limiting their use in next-generation vehicles, while other alloys that can withstand elevated temperatures are cost prohibitive and difficult to cast. ACMZ alloys were developed using a suite of atomic-level characterization and computation tools, resulting in a strong, stable, and versatile material capable of withstanding the stressful conditions of next-generation high-efficiency combustion engines, the press release said. [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: 3D printing, ACE: The Ageless Aluminum Revolution, ACMZ aluminum alloys, ACMZ Cast Aluminum Alloys, additive manufacturing, Additively Printed High Performance Magnets, Adrian Sabau, Advanced Manufacturing Office, Advanced Research Projects Agency-Energy, Ahmed Hassen, Alex Roschli, aluminum alloys, Ames Laboratory, Ames Laboratory Critical Materials Institute, Amit Shyam, Amy Elliot, BASF, Beth Armstrong, Big Area Additive Manufacturing, Bill Peter, Brian Milligan, Brian Post, Brian Sales, Bruce Moyer, Chad Duty, Charles Hawkins, Coating Solutions for Large-Format Additive Manufacturing, Craig Blue, Dana McClurg, David Nuttall, Development and Engineering Center, dfnWorks, Dfnworks: A Computational Suite for Flow and Transport in Subsurface Fracture Networks, DOE, Dongwon Shin, dropletProbe Surface Sampling System for Mass Spectrometry, Eck Industries, Edgar Lara-Curzio, EERE Advanced Manufacturing Office, EERE Office of Vehicle Technologie EERE Office of Fuel Cell Technologies, Energy Efficiency and Renewable Energy Office, Eric Stromme, Fiat Chrysler Automobile U.S., Filler Materials for Welding and 3D Printing, Gabriel Veit, Gary Van Berkel, Hsin Wang, Hunter Henderson, J. Allen Haynes, James Morris, John Lindahl, Large-scale 3Dprinting, Lawrence Allard, Lawrence Livermore National Laboratory, lightweight superalloys, Ling Li, Lonnie Love, Los Alamos National Laboratory, Magnet Applications Incorporated, mass spectrometry, Michael Kesler, Michael McGuire, Momentum Technologies, Nadya Ally, Nancy Dudney, Nemak U.S.A., Oak Ridge National Laboratory, Office of Energy Efficiency and Renewable Energy, Office of Science, Office of Vehicle Technologies, Open Port Sampling Interfaces for Mass Spectrometry, Orlando Rios, ORNL, Oscars of Invention, Parans Paranthaman, Patrick Shower, Philip Maziasz, plastic carbon fiber compounds, plug-in electric vehicle batteries, Polynt Composites, R&D 100 Awards, R&D 100 Conference, R&D Magazine, rare earth bonded magnets, Safe Impact Resistant Electrolyte, SAFIRE), Scott Painter, SepQuant, Sergiy Kalnaus, Shibayan Roy, software suite, Stan David, TEAMM, Techmer engineered additive manufacturing materials, Techmer PM, Thomas Watkins, Tru-Design, U.S. Army Tank Automotive Research, U.S. Department of Energy, University of Rochester, Vilmos Kertesz, Vlastimil Kunc, Wallace Porter, welding, Xinghua Yu, Yanli Wang, Yukinori Yamamoto, Zach Simms, Zhili Feng

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

Five ORNL scientists rated among world’s most influential

Posted at 12:33 pm August 1, 2014
By Oak Ridge National Laboratory Leave a Comment

Ramamoorthy Ramesh

Ramamoorthy Ramesh

Five Oak Ridge National Laboratory physicists, including Deputy for Science and Technology Ramamoorthy Ramesh, have been named by Thomson Reuters as some of the best and brightest of our time.

The list consists of scientists whose work has been most frequently cited by peers as identified by Thomson Reuters platforms. Citation data was divided into two categories—2002-2012 and 2012-2013—with the latter labeled “hot papers,” ranking in the top 0.1 percent by citations in their field. Seventeen researchers earned this distinction while some 3,200 were included in the second section of the ranking with citations ranking in the top 1 percent for their field and year of publication.

Ramesh, who was actually listed in two categories—physics and materials science—was named to his position at ORNL in June 2013 after serving as the Plato Malozemoff Chair Professor of Materials Science and Engineering and Physics at the University of California, Berkeley, with a joint appointment as a faculty senior scientist at Lawrence Berkeley National Laboratory. He holds a doctorate in materials science from the University of California, Berkeley, and was elected to the National Academy of Engineering in 2011 in recognition of his contributions to the science and technology of functional complex oxide materials. [Read more…]

Filed Under: Oak Ridge National Laboratory, ORNL, Science, Slider, Top Stories, U.S. Department of Energy Tagged With: Athena Safa-Sefat, Brian Sales, chemistry, citations, condensed matter physics, crystallographic studies, David Singh, distinguished scientists, electronic materials, Eugene Wigner Fellow, magnetic materials, materials science, Michael McGuire, Oak Ridge National Laboratory, ORNL, ORNL Directors Award, ORNL scientists, physical property measurements, physicists, physics, R&D 100, Ramamoorthy Ramesh, rare-earth materials, scientists, solid-state chemistry, solid-state chemistry and metallurgical synthesis techniques, Thomson Reuters

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