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Technology update

Dec 11, 2007

Magnetoresistance up by 3000%

Researchers in France have discovered the largest high-field magnetoresistance in super-lattices of cobalt-iron nanoparticles at low temperatures. Although the result, which was unexpected, will not lead to any applications just yet, it will be crucial for fundamental studies of transport in nanoparticle arrays. Magnetoresistance is the change in the resistance of a material caused by a magnetic field, and allows hard disks to read out magnetic data.

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