May 13th, 2016
The sodium counterpart to LiFePO4 has recently attracted attention as a potentially promising cathode material. Sodium is one of the major rock-forming elements in the Earth’s crust and is both environmentally abundant and affordable. As a result, the development of sodium analogues to lithium cathode materials is appealing, especially...
March 10th, 2016
A new technology platform to study high-speed impacts on a tabletop has been developed at the University of Illinois. This method uses a laser to launch thin metal foils at km/s velocities. Although “laser-launched flyer plates” have been studied for more than 30 years, they have not been broadly utilized in shock compression science...
March 4th, 2016
The annual Stewardship Science Academic Programs (SSAP) Symposium was held in North Bethesda, MD on February 17-18, 2016. CDAC Director Russell Hemley gave an overview of the Center and its accomplishments in the scientific program, education and outreach, and technical developments during the past year.
March 3rd, 2016
Ferroelectric materials (switchable spontaneous electric polarization under an external electric-field) are also piezoelectric (convert mechanical energy into electric energy) and pyroelectric (convert a temperature change into electric energy). The combined properties of memory, piezoelectricity, and pyroelectricity, make ferroelectric...
March 3rd, 2016
A new class of high Tc superconductors having a dense carbon framework structures is predicted using first-principles calculations. The current search for high-temperature superconductivity is now focused on materials containing low-Z elements due to the large phonon contribution necessary for BCS-type behavior. An additional strategy...
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