Fabrication, Detection, and Operation of a Three-Dimensional Nanomagnetic Conduit

D. Sanz-Hernández; R.F. Hamans; J.-W. Liao; A. Welbourne; R. Lavrijsen; A. Fernández-Pacheco

doi:10.1021/acsnano.7b05105

Fabrication, Detection, and Operation of a Three-Dimensional Nanomagnetic Conduit

D. Sanz-Hernández, R.F. Hamans, J.-W. Liao, A. Welbourne, R. Lavrijsen, A. Fernández-Pacheco

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

Abstract

Three-dimensional (3D) nanomagnetic devices are attracting significant interest due to their potential for computing, sensing, and biological applications. However, their implementation faces great challenges regarding fabrication and characterization of 3D nanostructures. Here, we show a 3D nanomagnetic system created by 3D nanoprinting and physical vapor deposition, which acts as a conduit for domain walls. Domains formed at the substrate level are injected into a 3D nanowire, where they are controllably trapped using vectorial magnetic fields. A dark-field magneto-optical method for parallel, independent measurement of different regions in individual 3D nanostructures is also demonstrated. This work will facilitate the advanced study and exploitation of 3D nanomagnetic systems.

Original language	English
Pages (from-to)	11066-11073
Journal	ACS Nano
Volume	11
Issue number	11
DOIs	https://doi.org/10.1021/acsnano.7b05105
Publication status	Published - 2017

Funding

This research is funded by an EPSRC Early Career Fellowship EP/M008517/1, a Winton Fellowship, and by a European Erasmus Mobility program. D.S.H. acknowledges funding from a Girton College Pfeiffer Scholarship. J.-W. L acknowledges support from a Newton International Fellowship scheme NF150217. We thank R.P. Cowburn and M. Sanz-Hernańdez for fruitful discussions.

Funders	Funder number
Girton College Pfeiffer Scholarship	NF150217
Engineering and Physical Sciences Research Council	EP/M008517/1

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AU - Lavrijsen, R.

AU - Fernández-Pacheco, A.

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AB - Three-dimensional (3D) nanomagnetic devices are attracting significant interest due to their potential for computing, sensing, and biological applications. However, their implementation faces great challenges regarding fabrication and characterization of 3D nanostructures. Here, we show a 3D nanomagnetic system created by 3D nanoprinting and physical vapor deposition, which acts as a conduit for domain walls. Domains formed at the substrate level are injected into a 3D nanowire, where they are controllably trapped using vectorial magnetic fields. A dark-field magneto-optical method for parallel, independent measurement of different regions in individual 3D nanostructures is also demonstrated. This work will facilitate the advanced study and exploitation of 3D nanomagnetic systems.

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Fabrication, Detection, and Operation of a Three-Dimensional Nanomagnetic Conduit

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