Domain imaging during soliton propagation in a 3d magnetic ratchet

J. H. Lee, R. Mansell, D. Petit, A. Fernández-Pacheco, R. Lavrijsen, R.P. Cowburn

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The propagation of a kink soliton through a perpendicularly magnetized antiferromagnetically coupled multilayer stack has been imaged by scanning laser Kerr microscopy. The soliton behavior allows layer-by-layer reversal leading to clear evidence of changes of switching behavior of different layers in the stack. We find that the density of domain nucleation sites is dependent on the configuration of the neighboring layers as well as height up the stack. By growing a series of single layer and coupled trilayer samples, we are able to explain the trends in nucleation seen in the soliton stack in terms of pinhole and orange peel coupling, in agreement with STEM (Scanning transmission electron microscope) imaging.

Originele taal-2Engels
Artikelnummer1340013
Aantal pagina's7
TijdschriftSpin
Volume3
Nummer van het tijdschrift4
DOI's
StatusGepubliceerd - 1 dec 2013

Vingerafdruk

Solitons
solitary waves
Imaging techniques
propagation
Nucleation
Scanning
Wave propagation
nucleation
Microscopic examination
Multilayers
Electron microscopes
scanning
pinholes
Lasers
electron microscopes
microscopy
trends
configurations
lasers

Citeer dit

Lee, J. H., Mansell, R., Petit, D., Fernández-Pacheco, A., Lavrijsen, R., & Cowburn, R. P. (2013). Domain imaging during soliton propagation in a 3d magnetic ratchet. Spin, 3(4), [1340013]. https://doi.org/10.1142/S2010324713400134
Lee, J. H. ; Mansell, R. ; Petit, D. ; Fernández-Pacheco, A. ; Lavrijsen, R. ; Cowburn, R.P. / Domain imaging during soliton propagation in a 3d magnetic ratchet. In: Spin. 2013 ; Vol. 3, Nr. 4.
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Lee, JH, Mansell, R, Petit, D, Fernández-Pacheco, A, Lavrijsen, R & Cowburn, RP 2013, 'Domain imaging during soliton propagation in a 3d magnetic ratchet', Spin, vol. 3, nr. 4, 1340013. https://doi.org/10.1142/S2010324713400134

Domain imaging during soliton propagation in a 3d magnetic ratchet. / Lee, J. H.; Mansell, R.; Petit, D.; Fernández-Pacheco, A.; Lavrijsen, R.; Cowburn, R.P.

In: Spin, Vol. 3, Nr. 4, 1340013, 01.12.2013.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

TY - JOUR

T1 - Domain imaging during soliton propagation in a 3d magnetic ratchet

AU - Lee, J. H.

AU - Mansell, R.

AU - Petit, D.

AU - Fernández-Pacheco, A.

AU - Lavrijsen, R.

AU - Cowburn, R.P.

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Y1 - 2013/12/1

N2 - The propagation of a kink soliton through a perpendicularly magnetized antiferromagnetically coupled multilayer stack has been imaged by scanning laser Kerr microscopy. The soliton behavior allows layer-by-layer reversal leading to clear evidence of changes of switching behavior of different layers in the stack. We find that the density of domain nucleation sites is dependent on the configuration of the neighboring layers as well as height up the stack. By growing a series of single layer and coupled trilayer samples, we are able to explain the trends in nucleation seen in the soliton stack in terms of pinhole and orange peel coupling, in agreement with STEM (Scanning transmission electron microscope) imaging.

AB - The propagation of a kink soliton through a perpendicularly magnetized antiferromagnetically coupled multilayer stack has been imaged by scanning laser Kerr microscopy. The soliton behavior allows layer-by-layer reversal leading to clear evidence of changes of switching behavior of different layers in the stack. We find that the density of domain nucleation sites is dependent on the configuration of the neighboring layers as well as height up the stack. By growing a series of single layer and coupled trilayer samples, we are able to explain the trends in nucleation seen in the soliton stack in terms of pinhole and orange peel coupling, in agreement with STEM (Scanning transmission electron microscope) imaging.

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KW - magnetic kink soliton

KW - Magnetic multilayer

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Lee JH, Mansell R, Petit D, Fernández-Pacheco A, Lavrijsen R, Cowburn RP. Domain imaging during soliton propagation in a 3d magnetic ratchet. Spin. 2013 dec 1;3(4). 1340013. https://doi.org/10.1142/S2010324713400134