A new composite material could boost the capacity of magnetic hard-disk computer memories by tenfold, says Philip Ball.
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References
Yu,M., Liu, Y., Moser, A., Weller, D. & Sellmyer, D. J. Nanocomposite CoPt:C films for extremely high-density recording Applied Physics Letters 75, 3992 - 3994 1999.
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Ball, P. Memories are made of this. Nature (1999). https://doi.org/10.1038/news000106-3
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DOI: https://doi.org/10.1038/news000106-3