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Technology update

Aug 18, 2008

On the road to ultrahigh-density storage

The thermal stability of magnetic nanoparticles – crucial for making good spin-based data storage devices – can be improved by depositing a thin layer of aluminium onto the particles, say researchers at Cornell University and Hitachi in the US. The technique, which also reduces "magnetic damping" at low temperatures, could be used to produce nanoparticles for applications in spintronic devices, such as spin-torque nano-oscillators, and for ultrahigh-density data storage.

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