News tagged with colossal magnetoresistance
Colossal magnetoresistance occurs when nanoclusters form at specific temperatures
(PhysOrg.com) -- Researchers at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory and the Universidad San Francisco de Quito in Ecuador have found that, at just the right temperatures, ...
Dec 12, 2011 |
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A manganite changes its stripes
If there were a Hall of Fame for materials, manganites would be among its members. Some manganites, compounds of manganese oxides, are renowned for colossal magnetoresistance – the ability to suddenly ...
Jul 15, 2011 |
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Studying transition between insulating and conducting states in complex oxides
When water freezes or boils, its atomic structure undergoes a phase transition in response to temperature change. Phase transitions are common in nature, and have been exploited to make devices such as digital ...
Sep 06, 2010 |
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Putting a Strain on Nanowires Could Yield Colossal Results
(PhysOrg.com) -- In finally answering an elusive scientific question, researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have shown that the selective placement ...
Sep 17, 2009 |
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Search results for colossal magnetoresistance
The road to ultrahigh-resolution X-ray spectrometers
Two recent developments at the Advanced Photon Source explore paths to routine use of sub-meV x-rays to probe low-energy excitations in matter. The first is a remarkable experimental demonstration of an x-ray ...
Nov 29, 2011 |
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Delving into manganite conductivity
(PhysOrg.com) -- Chemical compounds called manganites have been studied for many years since the discovery of colossal magnetoresistance, a property that promises important applications in the fields of magnetic ...
Feb 09, 2011 |
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Powerful new way to control magnetism
A team of scientists at Rutgers University has found a material in which an electric field can control the overall magnetic properties of the material. If the magnetoelectric effect discovered by the Rutgers group can be ...
Aug 23, 2010 |
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Highlight: Probing a complex oxide interface directly
(PhysOrg.com) -- A novel way to directly detect the electronic properties at a complex oxide interface has been demonstrated by users from Argonne's Advanced Photon Source working collaboratively with researchers ...
Jul 21, 2010 |
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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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Electric Switches Hold Promise for Data Storage
(PhysOrg.com) -- Multiferroics are materials in which unique combinations of electric and magnetic properties can simultaneously coexist. They are potential cornerstones in future magnetic data storage and ...
May 22, 2009 |
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Scientists create first dense gas of ultracold 'polar' molecules
Scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST)and the University of Colorado at Boulder, have applied their expertise in ultracold atoms and lasers to produce ...
Sep 18, 2008 |
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Researchers Discover Surface Orbital 'Roughness' in Manganites
Researchers at the U.S. Department of Energy's Brookhaven National Laboratory have shown that in a class of materials called manganites, the electronic behavior at the surface is considerably different from that found in ...
Nov 20, 2007 |
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Good Vibrations: Using Terahertz Radiation to Control Material Properties
A collaboration led by researchers with the U.S. Department of Energy’s Lawrence Berkeley National Laboratory has used molecular vibrations, triggered by ultrafast pulses of terahertz radiation, to change ...
Oct 01, 2007 |
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New Clues to Mechanism for Colossal Mangetoresistance
Experiments at the U.S. Department of Energy's Brookhaven National Laboratory shed new light on some materials' ability to dramatically change their electrical resistance in the presence of an external magnetic ...
Aug 17, 2007 |
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List of search results for colossal magnetoresistance
