Magnetization dynamics triggered by surface acoustic waves

S. Davis; A. Baruth; S. Adenwalla

doi:10.1063/1.3521289

Magnetization dynamics triggered by surface acoustic waves

S. Davis, A. Baruth, S. Adenwalla

Research output: Contribution to journal › Article › peer-review

56 Scopus citations

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 language	English (US)
Article number	232507
Journal	Applied Physics Letters
Volume	97
Issue number	23
DOIs	https://doi.org/10.1063/1.3521289
State	Published - Dec 6 2010
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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title = "Magnetization dynamics triggered by surface acoustic waves",

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.",

author = "S. Davis and A. Baruth and S. Adenwalla",

note = "Funding Information: This research is supported by the NSF through the Materials Research Science and Engineering Center program Grant No. DMR-0820521. Funding for S.D. was provided by an Undergraduate Creative Activities and Research Experiences (UCARE) grant from UNL. Parts of this work were carried out in the University of Minnesota Nanofabrication Center, which receives partial support from NSF through the NNIN program. We acknowledge J. A. Claes{\textquoteright} help with the photomask drawings. ",

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AU - Baruth, A.

AU - Adenwalla, S.

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PY - 2010/12/6

Y1 - 2010/12/6

N2 - 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.

AB - 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.

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Magnetization dynamics triggered by surface acoustic waves

Abstract

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