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February 12th, 2004

Data storage: Hot bits are smaller

Abstract:
The size of individual information-storing bits in magnetic recording can now be made smaller than the accepted limit for the traditional technology. Hendrik F. Hamann et al. report bit sizes of less than 40 nm across in a magnetic film. This permits storage densities of 400 billion bits (400 Gbit) per square inch, and further increases of more than twofold seem possible.

Source:
* Nature

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