Non-Joulian magnetostriction

Harsh Deep Chopra () and Manfred Wuttig ()
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Harsh Deep Chopra: Materials Genomics Laboratory, Laboratory for Quantum Materials & Devices, and Temple Materials Institute, Temple University
Manfred Wuttig: University of Maryland

Nature, 2015, vol. 521, issue 7552, 340-343

Abstract: Typical ferromagnets elongate and contract anisotropically when placed in a magnetic field but conserve the overall volume, an effect known as Joule magnetostriction; here, a new effect is observed in Fe–Ga alloys—large non-volume-conserving or non-Joulian magnetostriction—which has not previously been observed in any magnet.

Date: 2015
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DOI: 10.1038/nature14459

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