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Materials science

Magnetic alloys break the rules

A family of alloys has been discovered that undergoes unexpected changes of shape when magnetized. This strange behaviour might help in unravelling the mystery of a phenomenon called magnetic hysteresis. See Letter p.340

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Figure 1: Typical hysteresis loops in hard, soft and autarkic magnets.


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Correspondence to Richard D. James.

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James, R. Magnetic alloys break the rules. Nature 521, 298–299 (2015).

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