Soliton propagation in micron-sized magnetic ratchet elements

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

doi:10.1063/1.4882640

Soliton propagation in micron-sized magnetic ratchet elements

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

Physics of Nanostructures

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

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Abstract

We demonstrate ratchet soliton propagation in individual patterned antiferromagnetically coupled superlattice elements down to 3 μm diameter using magneto-optical Kerr effect measurements. The bulk switching and soliton propagation fields are investigated as a function of the element size. It is found that on the length scale investigated here we do not see significant variation in ratchet behavior depending on the element size. The margin for soliton propagation and additional features related to downscaling are discussed.

Original language	English
Article number	232404
Number of pages	4
Journal	Applied Physics Letters
Volume	104
DOIs	https://doi.org/10.1063/1.4882640
Publication status	Published - 2014

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abstract = "We demonstrate ratchet soliton propagation in individual patterned antiferromagnetically coupled superlattice elements down to 3 μm diameter using magneto-optical Kerr effect measurements. The bulk switching and soliton propagation fields are investigated as a function of the element size. It is found that on the length scale investigated here we do not see significant variation in ratchet behavior depending on the element size. The margin for soliton propagation and additional features related to downscaling are discussed.",

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AU - Mansell, R.

AU - Cowburn, R.P.

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AB - We demonstrate ratchet soliton propagation in individual patterned antiferromagnetically coupled superlattice elements down to 3 μm diameter using magneto-optical Kerr effect measurements. The bulk switching and soliton propagation fields are investigated as a function of the element size. It is found that on the length scale investigated here we do not see significant variation in ratchet behavior depending on the element size. The margin for soliton propagation and additional features related to downscaling are discussed.

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JO - Applied Physics Letters

JF - Applied Physics Letters

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