Magnetization dynamics triggered by surface acoustic waves

S. Davis, A. Baruth, S. Adenwalla

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Abstract

Investigations into fast magnetization switching are of both fundamental and technological interest. Here we present a low-power, remote method for strain driven magnetization switching. A surface acoustic wave propagates across an array of ferromagnetic elements, and the resultant strain switches the magnetization from the easy axis into the hard axis direction. Investigations as a function of applied magnetic field as well as unidirectional anisotropy (the exchange bias) reveal excellent agreement with prediction, confirming the viability of this method.

Original languageEnglish (US)
Article number232507
JournalApplied Physics Letters
Volume97
Issue number23
DOIs
StatePublished - Dec 6 2010
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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