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NIST scientists gain new 'core' understanding of nanoparticles
Date:5/27/2010

ells are not physically different than the interiors; without the magnetic field, the distinction vanishes. But once formed, the shells of nearby particles seem to heed one another: A local group of them will have their shells' moments all lined up one way, but then another group's shells will point elsewhere. This finding leads Krycka and her team to believe that there is more to be learned about the role that particle interaction has on determining internal, magnetic nanoparticle structureperhaps something nanotechnologists can harness.

"The effect fundamentally changes how the particles would talk to each other in a data storage setting," Krycka says. "If we can control itby varying their temperature, for example, as our findings suggest we canwe might be able to turn the effect on and off, which could be useful in real-world applications."


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Contact: Chad Boutin
boutin@nist.gov
301-975-4261
National Institute of Standards and Technology (NIST)
Source:Eurekalert  

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NIST scientists gain new 'core' understanding of nanoparticles
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