DOI: 10.1063/1.3532041. Stress-based control of magnetic nanowire domain walls in artificial multiferroic systems

Stress-based control of magnetic nanowire domain walls in artificial multiferroic systems

10.1063/1.3532041

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

Artificial multiferroic systems, which combine piezoelectric and piezomagnetic materials, offer novel methods of controlling material properties. Here, we use combined structural and magnetic finite element models to show how localized strains in a piezoelectric film coupled to a piezomagnetic nanowire can attract and pin magnetic domain walls. Synchronous switching of addressable contacts enables the controlled movement of pinning sites, and hence domain walls, in the nanowire without applied magnetic field or spin-polarized current, irrespective of domain wall structure. Conversely, domain wall-induced strain in the piezomagnetic material induces a local potential difference in the piezoelectric, providing a mechanism for sensing domain walls. This approach overcomes the problems in magnetic nanowire memories of domain wall structure-dependent behavior and high power consumption. Nonvolatile random access or shift register memories based on these effects can achieve storage densities &gt;1 Gbit/In2, sub-10 ns switching times, and power consumption &lt;100 keV per operation.

Bibliography

Dean, J., Bryan, M. T., Schrefl, T., & Allwood, D. A. (2011). Stress-based control of magnetic nanowire domain walls in artificial multiferroic systems. Journal of Applied Physics, 109(2).

Authors 4

J. Dean (first)
M. T. Bryan (additional)
T. Schrefl (additional)
D. A. Allwood (additional)

References 34 Referenced 51

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{'key': '2023062519364934100_c19'}
{'key': '2023062519364934100_c20'}
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{'year': '2007', 'key': '2023062519364934100_c34'} (2007)

Dates

Type	When
Created	14 years, 7 months ago (Jan. 25, 2011, 9:28 a.m.)
Deposited	2 years, 2 months ago (June 25, 2023, 3:36 p.m.)
Indexed	5 days, 23 hours ago (Aug. 23, 2025, 9:26 p.m.)
Issued	14 years, 7 months ago (Jan. 15, 2011)
Published	14 years, 7 months ago (Jan. 15, 2011)
Published Online	14 years, 7 months ago (Jan. 24, 2011)
Published Print	14 years, 7 months ago (Jan. 15, 2011)

Funders 1

Engineering and Physical Sciences Research Council 10.13039/501100000266
Region: Europe
gov (National government)
Labels4
1. UKRI Engineering and Physical Sciences Research Council
2. Engineering and Physical Sciences Research Council - UKRI
3. Engineering & Physical Sciences Research Council
4. EPSRC
Awards2
1. EP/G032300/1
2. EP/F069359/1

BibTeX

@article{Dean_2011, title={Stress-based control of magnetic nanowire domain walls in artificial multiferroic systems}, volume={109}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.3532041}, DOI={10.1063/1.3532041}, number={2}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Dean, J. and Bryan, M. T. and Schrefl, T. and Allwood, D. A.}, year={2011}, month=jan }

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