News tagged with magnetic effects
Physicists discover 'magnetotoroidic effect'
(PhysOrg.com) -- For many years, scientists have known about the magnetoelectric effect, in which an electric field can induce and control a magnetic field, and vice versa. In this effect, the electric field has always been ...
Sep 26, 2011 |
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Physicists investigate the role of quantum entanglement in the magnetic compasses of animals
(PhysOrg.com) -- Many animals possess some kind of magnetic sense, allowing them to navigate by using a magnetic field. The ability to detect a magnetic field, called magnetoreception, has been observed in ...
Jun 21, 2010 |
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Artificial magnetic fields for light could illuminate correlated quantum systems
(PhysOrg.com) -- In general, the field of many-body physics involves the interactions and collective behavior of large numbers of particles. Scientists have made significant progress in exploring this field, ...
Feb 03, 2010 |
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A 50-year quest to isolate the thermoelectric effect is now over: Magnon drag unveiled
In a paper published in Nature Materials, a group of researchers at the Catalan Institute of Nanotechnology (ICN, Spain) led by Prof. Sergio O. Valenzuela reports the observation of the magnon drag. This w ...
Dec 18, 2011 |
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Solar power without solar cells: A hidden magnetic effect of light could make it possible
(PhysOrg.com) -- A dramatic and surprising magnetic effect of light discovered by University of Michigan researchers could lead to solar power without traditional semiconductor-based solar cells.
Apr 14, 2011 |
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Charge it: Neutral atoms made to act like electrically charged particles
(PhysOrg.com) -- Completing the story they started by creating synthetic magnetic fields, scientists from the Joint Quantum Institute (JQI), a collaboration of the National Institute of Standards and Technology a ...
Mar 31, 2011 |
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Graphene shows strange new behavior better suited for electronic devices
Regarded as a possible replacement for silicon-based semiconductors, graphene, a sheet of pure carbon, has been discovered to have an uncommon and astonishing property that might make it better matched for ...
Nanotechnology / Nanomaterials
Jul 29, 2010 |
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An energy-saving magnetic fridge? Perhaps, but first some basic research
(PhysOrg.com) -- Forget the magnets on your fridge. How about a magnet in your fridge, one that keeps your leftover pizza cold while consuming less energy than today’s refrigerators?
Jul 05, 2010 |
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Golden ratio discovered in a quantum world
Researchers from the Helmholtz-Zentrum Berlin für Materialien und Energie (HZB, Germany), in cooperation with colleagues from Oxford and Bristol Universities, as well as the Rutherford Appleton Laboratory, ...
Jan 07, 2010 |
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Researchers create 'synthetic magnetic fields' for neutral atoms
(PhysOrg.com) -- Achieving an important new capability in ultracold atomic gases, researchers at the Joint Quantum Institute, a collaboration of the National Institute of Standards and Technology and the University ...
Dec 02, 2009 |
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Scientists discover, visualize exotic electrons on surfaces of unique insulators
(PhysOrg.com) -- In two separate studies, Princeton-led teams of scientists have found a new type of “light-like” electron and visualized for the first time another type that doesn’t bounce back when material imperfections ...
Aug 10, 2009 |
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Unexpectedly Long-Range Effects in Advanced Magnetic Devices
(PhysOrg.com) -- A tiny grid pattern has led materials scientists at the National Institute of Standards and Technology (NIST) and the Institute of Solid State Physics in Russia to an unexpected finding—the ...
Jul 01, 2009 |
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'Colossal' Magnetic Effect Under Pressure
(PhysOrg.com) -- Millions of people today carry around pocket-sized music players capable of holding thousands of songs, thanks to the discovery 20 years ago of a phenomenon known as the “giant magnetoresistance ...
Jun 05, 2009 |
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Nanophysicists find unexpected magnetic effect: Kondo effect noted in single-atom contacts of pure ferromagnets
Spanish and U.S. physicists studying nanoelectronics have found that size really does matter when it comes to predicting the behavior of electrical contacts that are just one atom wide.
Apr 29, 2009 |
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Researchers demonstrate new way to control nonvolatile magnetic memory devices
(Phys.org) -- Cornell researchers have demonstrated a new strategy for making energy- efficient, reliable nonvolatile magnetic memory devices -- which retain information without electric power.
May 07, 2012 |
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