Magnetic Hard Drives Go Atomic – Nature.com

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Magnetic Hard Drives Go Atomic – Nature.com

Chop a magnet in two, and it becomes two smaller magnets. Slice again to make four. But the smaller magnets get, the more unstable they become; their magnetic fields tend to flip polarity from one moment to the next. Now, however, physicists have managed to create a stable magnet from a single atom.

 

 

 

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