(Phys.org) —Using a powerful combination of microanalytic techniques that simultaneously image photoelectric current and chemical reaction rates across a surface on a micrometer scale, researchers at the National Institute ...
Materials Science
May 15, 2013
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Matter is categorized as either conductive, semi-conductive or resistive to the flow of electrons based on its bulk properties. However, physicists have now predicted a new state of matter in which the bulk of the material ...
Quantum Physics
May 10, 2013
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(Phys.org) —NASA has announced a project with space company L'Garde Inc. to send a test craft into space sometime next year powered only by a solar sail. The craft, called Sunjammer, after the short story by Arthur C. Clarke ...
(Phys.org) —In a step toward understanding and exploiting an exotic form of matter that has been sparking excitement for potential applications in a new genre of supercomputers, scientists are reporting the first identification ...
Nanomaterials
Mar 6, 2013
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(Phys.org)—University of Utah engineers demonstrated it is feasible to build the first organic materials that conduct electricity on their edges, but act as an insulator inside. These materials, called organic topological ...
General Physics
Feb 13, 2013
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(Phys.org)—Writing in PNAS, University of Manchester graphene researchers found that sandwiching a layer of the wonder material between boron nitride could produce highly-accurate capacitors.
Nanomaterials
Feb 13, 2013
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(Phys.org)—Advances in miniaturization have made electronic devices cheaper and more powerful, but these procedures also create new challenges for materials scientists. For example, traditional silicon dioxide insulators ...
Materials Science
Feb 13, 2013
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The transistor is the ultimate on-off switch. When a voltage is applied to the surface of a semiconductor, current flows; when the voltage is reversed, current is blocked. Researchers have tried for decades to replicate these ...
Condensed Matter
Feb 8, 2013
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(Phys.org)—In bulk, topological insulators (TIs) are good insulators, but on their surface they act as metals, with a twist: the spin and direction of electrons moving across the surface of a TI are locked together. TIs ...
Nanomaterials
Feb 8, 2013
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A NASA top official wrestled with what he thought was a hypothetical question: What should you tell the astronauts of a doomed space shuttle Columbia?
Space Exploration
Feb 1, 2013
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