Polymer materials are usually thermal insulators. But by harnessing an electropolymerization process to produce aligned arrays of polymer nanofibers, researchers have developed a thermal interface material able to conduct ...
Nanomaterials
Mar 30, 2014
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Topological insulators—materials whose surfaces can freely conduct electrons even though their interiors are electrical insulators—have been of great interest to physicists in recent years because of unusual properties ...
Condensed Matter
Feb 6, 2014
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(Phys.org) —Topological insulators (TIs) are an exciting new type of material that on their surface carry electric current, but within their bulk, act as insulators. Since the discovery of TIs about a decade ago, their ...
Condensed Matter
Apr 10, 2013
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(Phys.org) —Plain-looking but inherently strange crystalline materials called 3D topological insulators (TIs) are all the rage in materials science. Even at room temperature, a single chunk of TI is a good insulator in ...
General Physics
Mar 13, 2013
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Researchers at The University of Texas at Austin have designed a simulation that for the first time emulates key properties of electronic topological insulators.
Optics & Photonics
Dec 21, 2012
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Now you see it, now you don't. A new device invented at the Harvard School of Engineering and Applied Sciences (SEAS) can absorb 99.75% of infrared light that shines on it. When activated, it appears black to infrared cameras.
Condensed Matter
Nov 26, 2012
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The mantles of Earth and other rocky planets are rich in magnesium and oxygen. Due to its simplicity, the mineral magnesium oxide is a good model for studying the nature of planetary interiors. New work from a team led by ...
Earth Sciences
Nov 22, 2012
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Topological insulators are exotic materials, discovered just a few years ago, that hold great promise for new kinds of electronic devices. The unusual behavior of electrons within them has been very difficult to study, but ...
General Physics
Sep 18, 2012
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(Phys.org)—Few modern materials have achieved the fame of silicon, a key element of computer chips and the namesake for Silicon Valley, home to some of the world's most prominent technology firms.
Nanophysics
Sep 14, 2012
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(Phys.org)—Materials called transition metal oxides have physicists intrigued by their potentially useful properties—from magnetoresistance (the reason a hard drive can write memory) to superconductivity.
Condensed Matter
Sep 5, 2012
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