Controllable nucleation and propagation of topological magnetic solitons in CoFeB/Ru ferrimagnetic superlattices

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

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Uittreksel

We control the nucleation and propagation of topological magnetic solitons in synthetic ferrimagnetic (CoFeB/Ru) N superlattices (N = 6). This is achieved by carefully tuning the anisotropy and thickness of one of the edge layers, making it different from the other layers of the superlattice. Sharp solitons can be nucleated at one edge of the system, then unidirectionally propagated using external magnetic fields. Experimental results are modeled with macrospin simulations. We present a numerical phase diagram which maps the general behavior for the nucleation and propagation of solitons in ferrimagnets.
Originele taal-2Engels
Artikelnummer104422
TijdschriftPhysical Review B
Volume86
Nummer van het tijdschrift10
DOI's
StatusGepubliceerd - 17 sep 2012

Citeer dit

Fernandez-Pacheco, A. ; Petit, D. ; Mansell, R. ; Lavrijsen, R. ; Lee, J. H. ; Cowburn, R. P. / Controllable nucleation and propagation of topological magnetic solitons in CoFeB/Ru ferrimagnetic superlattices. In: Physical Review B. 2012 ; Vol. 86, Nr. 10.
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abstract = "We control the nucleation and propagation of topological magnetic solitons in synthetic ferrimagnetic (CoFeB/Ru) N superlattices (N = 6). This is achieved by carefully tuning the anisotropy and thickness of one of the edge layers, making it different from the other layers of the superlattice. Sharp solitons can be nucleated at one edge of the system, then unidirectionally propagated using external magnetic fields. Experimental results are modeled with macrospin simulations. We present a numerical phase diagram which maps the general behavior for the nucleation and propagation of solitons in ferrimagnets.",
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Controllable nucleation and propagation of topological magnetic solitons in CoFeB/Ru ferrimagnetic superlattices. / Fernandez-Pacheco, A.; Petit, D.; Mansell, R.; Lavrijsen, R.; Lee, J. H.; Cowburn, R. P.

In: Physical Review B, Vol. 86, Nr. 10, 104422, 17.09.2012.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

TY - JOUR

T1 - Controllable nucleation and propagation of topological magnetic solitons in CoFeB/Ru ferrimagnetic superlattices

AU - Fernandez-Pacheco, A.

AU - Petit, D.

AU - Mansell, R.

AU - Lavrijsen, R.

AU - Lee, J. H.

AU - Cowburn, R. P.

PY - 2012/9/17

Y1 - 2012/9/17

N2 - We control the nucleation and propagation of topological magnetic solitons in synthetic ferrimagnetic (CoFeB/Ru) N superlattices (N = 6). This is achieved by carefully tuning the anisotropy and thickness of one of the edge layers, making it different from the other layers of the superlattice. Sharp solitons can be nucleated at one edge of the system, then unidirectionally propagated using external magnetic fields. Experimental results are modeled with macrospin simulations. We present a numerical phase diagram which maps the general behavior for the nucleation and propagation of solitons in ferrimagnets.

AB - We control the nucleation and propagation of topological magnetic solitons in synthetic ferrimagnetic (CoFeB/Ru) N superlattices (N = 6). This is achieved by carefully tuning the anisotropy and thickness of one of the edge layers, making it different from the other layers of the superlattice. Sharp solitons can be nucleated at one edge of the system, then unidirectionally propagated using external magnetic fields. Experimental results are modeled with macrospin simulations. We present a numerical phase diagram which maps the general behavior for the nucleation and propagation of solitons in ferrimagnets.

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DO - 10.1103/PhysRevB.86.104422

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JO - Physical Review B

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