(Phys.org)—An international team of scientists, including University of Nebraska-Lincoln physicist Evgeny Tsymbal, has discovered a new class of materials that could prove to be very useful in developing new methods of ...
Condensed Matter
Sep 18, 2012
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A new class of organic materials developed at Northwestern University boasts a very attractive but elusive property: ferroelectricity. The crystalline materials also have a great memory, which could be very useful in computer ...
Condensed Matter
Aug 22, 2012
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Researchers from the Institute of Materials Structure Science at KEK and RIKEN discovered a new phenomenon, “electronic ferroelectricity,” through electric polarization measurements and synchrotron X-ray diffraction ...
General Physics
Jun 4, 2012
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(Phys.org) -- Ferroelectricity, which was first observed in the 1940s, is an interesting phenomenon involving the spontaneous (non-induced) formation of charge polarization (separation of charge) in certain materials. This ...
Condensed Matter
May 18, 2012
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(Phys.org) -- Some materials, by their nature, do what we want them to do -- notably, the ubiquitous, semiconducting silicon found in almost every electronic device. But sometimes, naturally occurring materials need a little ...
Condensed Matter
Apr 12, 2012
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An electric field can displace the cloud of electrons surrounding each atom of a solid. In an effect known as polarization, the cloud centers move away slightly from the positively charged nuclei, which radically changes ...
Condensed Matter
Jan 27, 2012
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If solar cells could generate higher voltages when sunlight falls on them, they'd produce more electrical power more efficiently. For over half a century scientists have known that ferroelectrics, materials whose atomic structure ...
General Physics
Sep 15, 2011
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Engineers at the University of California, Berkeley, have shown that it is possible to reduce the minimum voltage necessary to store charge in a capacitor, an achievement that could reduce the power draw and heat generation ...
Condensed Matter
Sep 12, 2011
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German researchers at Helmholtz-Zentrum Berlin (HZB) in close collaboration with colleagues in France and UK, have engineered a material that exhibits a rare and versatile trait in magnetism at room temperature. It's called ...
Condensed Matter
Aug 22, 2011
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(PhysOrg.com) -- Users from the University of Wisconsin-Madison and the Center for Nanophase Materials Science, working with the X-Ray Microscopy Group, have discovered structural effects accompanying the nanoscale lithography ...
Nanophysics
Aug 11, 2011
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