(Phys.org)—An international team of physics researchers is looking to add credence to a theory that might help explain the nature of dark matter and dark energy – using magnetometers placed strategically ...
Jan 21, 2013
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By taking a "bottom-up" approach, researchers at the University of Illinois at Urbana-Champaign have observed for the first time that "size does matter" in regards "pyroelectricity"—the current/voltage developed in response ...
Jan 08, 2013
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(Phys.org)—Researchers from Canada, California, and Poland have devised a straightforward way to test an intriguing idea about the nature of dark energy and dark matter. A global array of atomic magnetometers ...
Jan 07, 2013
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(Phys.org)—Scientists from TU Berlin, DESY and the University of Paris discovered a surprising effect in the demagnetisation of ferromagnetic materials at DESY's free-electron laser FLASH. The team of researchers ...
Oct 03, 2012
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RIKEN and the National Institute for Materials Science (NIMS) have succeeded in forming a skyrmion crystal in which electron spin is aligned in a vortex shape in a microdevice using the helimagnet FeGe. The ...
Aug 27, 2012
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Dutch researchers from the Eindhoven University of Technology have successfully made a 'magnetic domain-wall ratchet' memory, a computer memory that is built up from moving bits of magnetised areas. This memory ...
Jul 23, 2012
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(Phys.org) -- Researchers from the NIST Center for Nanoscale Science and Technology and Massachusetts Institute of Technology have used the scanning electron microscopy with polarization analysis (SEMPA) technique to provide ...
Apr 19, 2012
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(PhysOrg.com) -- Facility users from Rutgers University together with the Center for Nanoscale Materials' Electronic & Magnetic Materials & Devices Group have identified two-dimensional sheets of charge formed ...
Feb 22, 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 ...
Sep 15, 2011
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(PhysOrg.com) -- Novel properties of ferroelectric materials discovered at the Department of Energy's Oak Ridge National Laboratory are moving scientists one step closer to realizing a new paradigm of electronic memory storage.
Apr 25, 2011
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IBM researchers today revealed a previously unknown aspect of key physics inside Racetrack memory -- a new technology design which stands to improve memory capabilities within mobile phones, laptop computers and business-class ...
Dec 23, 2010
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Although they exist in almost every magnetic material, you cannot see them: magnetic domains are microscopically small regions of uniform magnetization. Dr. Ingo Manke and his group at the Institute of Applied ...
Nov 23, 2010
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After running a series of complex computer simulations, researchers have found that flaws in the structure of magnetic nanoscale wires play an important role in determining the operating speed of novel devices using such ...
Jun 09, 2010
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(PhysOrg.com) -- Berkeley Lab researchers have found a new mechanism by which the photovoltaic effect can take place in semiconductor thin-films. This new path to energy production brightens the future for ...
Mar 30, 2010
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The logic and memory functions of future electronic devices could shrink dramatically - to one or two nanometers (billionths of a meter) instead of the many tens of nanometers that characterize today's most ...
Jan 29, 2009
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