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Army looking for white papers related to ‘indestructible’ materials

By / August 23, 2011

The Army Research Office’s Synthesis and Processing program is seeking white papers on the topic of the creation of superior structural materials through creative combinations of 1) microstructure engineering in extreme yet precise conditions to obtain novel and far-from-equilibrium microstructures; 2) advanced microscopy, probes and other characterization tools; and 3) integrated computational materials engineering. Although somewhat with…

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Perovskite-based tunable superlens developed

By Eileen De Guire / March 30, 2011

Experimental setup shows an IR free-electron laser light source and perovskite superlens consisting of BiFeO3 and strontium titanate SrTiO3 layers. Imaged objects are strontium ruthenate patterns (orange) on a SrTiO3 substrate. The near-field probe is shown in blue and the evanescent waves in red. Credit: Kehr, et. al. The DOE’s Lawrence Berkeley National Lab and Ramamoorthy Ramesh…

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California group’s metallic glass is world’s toughest–strongest material

By / January 11, 2011

Ashby map of the damage tolerance of materials. Arrow indicates the combination of toughness and strength potentially accessible to metallic glasses extends beyond the traditional limiting ranges towards levels previously inaccessible to any material. Filled star: data for new metallic glass. X: data for other metallic glasses (three Fe-based glasses, two Zr-based glasses a Ti-based glass…

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DOE allocates another $327M to labs, schools

By / August 5, 2009

In its final round of American Recovery and Reinvestment Act-based awards, the DOE says it is going to provide money for science research projects at 10 federal labs and schools. For the record, this latest announcement brings the total amount of ARRA funding coming out of the DOE to $1.6 billion, all that Congress set…

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Bismuth-telluride discovery brings spintronics devices closer

By / July 7, 2009

Researchers at the DOE’s SLAC National Accelerator Laboratory and Stanford University think they have a nifty new material that could unleash a new generation of spintronics applications, providing quicker and more efficient computer chips. According to the SLAC and SU researchers, the material – a bismuth–telluride compound, Bi2Te3 – works as a topological insulator. The…

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Berkeley Lab group achieves tunable bandgap in graphene

By / June 10, 2009

(Abbreviations fixed – h/t to reader Bob Gottschall) The use of graphene as a full-function transistor is a step closer.  A team at the Berkeley National Lab led by Feng Wang has figured out a way to create a bandgap in bilayer graphene that can be precisely controlled from 0 to 250 milli-electron volts at…

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