Advanced Materials


Advanced Materials


ORNL has the nation’s most comprehensive materials research program and is a world leader in research that supports the development of advanced materials for energy generation, storage, and use. We have core strengths in three main areas: materials synthesis, characterization, and theory. In other words, we discover and make new materials, we study their structure, dynamics and functionality, and we use computation to understand and predict how they will behave in various applications.

From its beginnings in World War II’s Manhattan Project, ORNL has had a distinctive materials science program. Today, materials science research benefits from ORNL’s integration of basic and applied research programs and strong ties among computational science, chemical science, nuclear science and technology, neutron science, engineering, and national security. This broad approach to research is allowing ORNL to develop a variety of new materials for energy applications and transfer these new materials to industry. For example, an understanding of how defects form at the atomic level allows creation of improved materials that approach their theoretical strength, such as radiation-resistant steels for next-generation nuclear reactors and lightweight materials for energy-efficient transportation. In electrical energy storage, we are studying how chemical processes occur at the interface of electrodes and electrolytes and using supercomputers to predict how battery systems will perform. We develop “soft” materials, including polymers and carbon-based materials, used as membranes for batteries, fuel cells, and carbon capture, solar cells, and as precursors for the carbon fiber used in lighter cars and planes. We’ve also discovered ways to improve materials processing, using photon, microwave and magnetic field-assisted processing to increase the performance of new materials while reducing processing costs.   These advances have resulted in a broad portfolio of ORNL materials and technologies in the nuclear, automotive, and structural materials industry.

ORNL researchers are improving analytical tools used to characterize the structure and function of advanced materials, including electron microscopy, scanning probes, chemical imaging, and a variety of neutron scattering capabilities. Many of these capabilities are available through DOE user programs at ORNL, including the two neutron user facilities (the Spallation Neutron Source and the High Flux Isotope Reactor), the Center for Nanophase Materials Sciences, and our microscopy user facility (the Shared Research Equipment User Facility—which will be incorporated in the CNMS later this year). Complementing our experimental research is one of the nation’s largest collections of materials theorists who take full advantage of ORNL’s leadership computational facility to understand and design new materials, as well as processes that occur at materials interfaces. Together, these research capabilities in materials synthesis, characterization, and theory contribute to our leadership in basic and applied materials science that ultimately will lead to new technologies for meeting tomorrow’s energy needs. 

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Latest News

1-3 of 6 Results

ORNL microscopy directly images problematic lithium dendrites in batteries
— OAK RIDGE, Tenn., March 6, 2015—Scientists at the Department of Energy’s Oak Ridge National Laboratory have captured the first real-time nanoscale images of lithium dendrite structures known to degrade lithium-ion batteries. The ORNL team’s electron microscopy could help researchers address long-standing issues related to battery performance and safety.

ORNL researchers tune friction in ionic solids at the nanoscale
— OAK RIDGE, Tenn. Jan 27, 2015 – Friction impacts motion, hence the need to control friction forces.

American Physical Society honors three from ORNL
— OAK RIDGE, Tenn., Jan. 14, 2015 – Three researchers from the Department of Energy's Oak Ridge National Laboratory have been honored with fellowships from the American Physical Society. Bobby Sumpter, Randy Fishman and Thomas Papenbrock were each recognized for their exceptional contributions to the physical sciences.


Recent Research Highlights

1-3 of 117 Results

Patterning Semiconductor Building Blocks in 2D Crystals
— For the first time, researchers have synthesized lateral semiconductor heterojunctions in lithographically patterned arrays within a two-dimensional semiconductor crystal monolayer by a novel process that selectively converted exposed regions of a monolayer of MoSe2 to MoS2 using laser-deposited sulfur.

Guidelines Clarify Origins of Ferroelectric Signals
— Recent developments in piezoresponse force microscopy (PFM) and spectroscopy revealed the presence of electromechanical hysteresis loops in a variety of materials including inorganic oxides, polymers and bio systems. This behavior is often (mis)interpreted as evidence of ferroelectricity.

Easy phase transitions spur high piezoelectric responses
— Theoretical calculations, based on newly obtained experimental geometries in strained BiFeO3 thin films, predict an almost barrierless transition between co-existing phases. This facile transition provides insight into the origin of the high electromechanical responses found in coexisting phases in this Pb-free material.



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