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14.04.2011 10:16 -
A quick switch for magnetic needles
Microscopically tiny ferromagnetic platelets exhibit a phenomenon which could be exploited in the future for particularly stable magnetic data storage: so-called magnetic vortex cores. These are needle-shaped magnetic structures measuring 20 nanometres (millionths of a millimetre) in diameter. Five years ago, researchers at the Max Planck Institute for Intelligent Systems in Stuttgart, Germany, found a [...]
Източник: http://anpron.eu/?p=598
Източник: http://anpron.eu/?p=598
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