Retrieving spin textures on curved magnetic thin films with full-field soft X-ray microscopies

Robert Streubel (), Florian Kronast, Peter Fischer, Dula Parkinson, Oliver G. Schmidt and Denys Makarov ()
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Robert Streubel: Institute for Integrative Nanosciences, IFW Dresden
Florian Kronast: Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
Peter Fischer: Center for X-ray Optics, Lawrence Berkeley National Laboratory
Dula Parkinson: Advanced Light Source, Lawrence Berkeley National Laboratory
Oliver G. Schmidt: Institute for Integrative Nanosciences, IFW Dresden
Denys Makarov: Institute for Integrative Nanosciences, IFW Dresden

Nature Communications, 2015, vol. 6, issue 1, 1-11

Abstract: Abstract X-ray tomography is a well-established technique to characterize 3D structures in material sciences and biology; its magnetic analogue—magnetic X-ray tomography—is yet to be developed. Here we demonstrate the visualization and reconstruction of magnetic domain structures in a 3D curved magnetic thin films with tubular shape by means of full-field soft X-ray microscopies. The 3D arrangement of the magnetization is retrieved from a set of 2D projections by analysing the evolution of the magnetic contrast with varying projection angle. Using reconstruction algorithms to analyse the angular evolution of 2D projections provides quantitative information about domain patterns and magnetic coupling phenomena between windings of azimuthally and radially magnetized tubular objects. The present approach represents a first milestone towards visualizing magnetization textures of 3D curved thin films with virtually arbitrary shape.

Date: 2015
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DOI: 10.1038/ncomms8612

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