Spin valves are essential building blocks in the magnetic sensors of read heads in hard disk drives. They consist of two magnetic layers separated by a non-magnetic layer and act as valves for electrons depending on the relative ...
General Physics
Dec 12, 2011
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(PhysOrg.com) -- Nanomanufacturing technology has enabled scientists to create metamaterials -- stuff that never existed in nature -- with unusual optical properties. They could lead to "superlenses" able to image proteins, ...
Materials Science
Nov 2, 2011
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An advanced material that could help bring about next-generation "spintronic" computers has revealed one of its fundamental secrets to a team of scientists from Argonne National Laboratory (ANL) and the National Institute ...
Condensed Matter
Oct 19, 2011
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In a step towards realizing ultrahigh-density storage devices based on individual molecules behaving as magnets, researchers in Japan have developed a candidate building block -- a supramolecular ferromagnet, which is a caged ...
Materials Science
Sep 16, 2011
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German physicists led by Prof. Dr. Hartmut Zabel have demonstrated the spin pumping effect in magnetic layers for the first time experimentally. The behaviour of the spin pumping had previously only been predicted theoretically. ...
General Physics
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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Magnetic storage media such as hard drives have revolutionized the handling of information: We are used to dealing with huge quantities of magnetically stored data while relying on highly sensitive electronic components. ...
Nanomaterials
Jun 20, 2011
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NEC Corporation and Tohoku University announced today the development of the world's first content addressable memory (CAM) that both maintains the same high operation speed and non-volatile operation as existing circuits ...
Electronics & Semiconductors
Jun 13, 2011
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(PhysOrg.com) -- One day in the not-too-distant future, the entire contents of the Library of Congress might be stored on a device the size of a postage stamp.
Engineering
Jun 7, 2011
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(PhysOrg.com) -- What causes a magnet to be a magnet, and how can we control a magnet's behavior? These are the questions that University at Buffalo researcher Igor Zutic, a theoretical physicist, has been exploring over ...
General Physics
May 27, 2011
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