Deterministic control of magnetic vortex wall chirality by electric field.

Autor: Beardsley RP; School of Physics and Astronomy, University of Nottingham, Nottingham, NG7 2RD, United Kingdom., Bowe S; School of Physics and Astronomy, University of Nottingham, Nottingham, NG7 2RD, United Kingdom.; Diamond Light Source Chilton, Didcot, Oxfordshire, OX11 0DE, UK., Parkes DE; School of Physics and Astronomy, University of Nottingham, Nottingham, NG7 2RD, United Kingdom., Reardon C; Department of Physics, University of York, Heslington, York, YO10 5DD, United Kingdom., Edmonds KW; School of Physics and Astronomy, University of Nottingham, Nottingham, NG7 2RD, United Kingdom., Gallagher BL; School of Physics and Astronomy, University of Nottingham, Nottingham, NG7 2RD, United Kingdom., Cavill SA; Diamond Light Source Chilton, Didcot, Oxfordshire, OX11 0DE, UK. stuart.cavill@york.ac.uk.; Department of Physics, University of York, Heslington, York, YO10 5DD, United Kingdom. stuart.cavill@york.ac.uk., Rushforth AW; School of Physics and Astronomy, University of Nottingham, Nottingham, NG7 2RD, United Kingdom. andrew.rushforth@nottingham.ac.uk.
Jazyk: angličtina
Zdroj: Scientific reports [Sci Rep] 2017 Aug 08; Vol. 7 (1), pp. 7613. Date of Electronic Publication: 2017 Aug 08.
DOI: 10.1038/s41598-017-07944-9
Abstrakt: Concepts for information storage and logical processing based on magnetic domain walls have great potential for implementation in future information and communications technologies. To date, the need to apply power hungry magnetic fields or heat dissipating spin polarized currents to manipulate magnetic domain walls has limited the development of such technologies. The possibility of controlling magnetic domain walls using voltages offers an energy efficient route to overcome these limitations. Here we show that a voltage-induced uniaxial strain induces reversible deterministic switching of the chirality of a magnetic vortex wall. We discuss how this functionality will be applicable to schemes for information storage and logical processing, making a significant step towards the practical implementation of magnetic domain walls in energy efficient computing.
Databáze: MEDLINE
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