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  A full-field transmission x-ray microscope for time-resolved imaging of magnetic nanostructures

Ewald, J., Wessels, P., Wieland, M., Nisius, T., Vogel, A., Abbati, G., et al. (2016). A full-field transmission x-ray microscope for time-resolved imaging of magnetic nanostructures. In AIP Conference Proceedings. AIP Publishing. doi:10.1063/1.4937499.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-4724-F Version Permalink: http://hdl.handle.net/21.11116/0000-0002-69A2-1
Genre: Conference Paper

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 Creators:
Ewald, J.1, Author
Wessels, P.2, 3, Author
Wieland, M.2, 3, Author
Nisius, T.1, Author
Vogel, A.4, Author
Abbati, G.1, Author
Baumbach, S.1, Author
Overbuschmann, J.1, Author
Viefhaus, J.5, Author
Meier, G.2, Author
Meier, Guido6, Author              
Wilhein, T.1, Author
Drescher, M.2, 3, Author
Affiliations:
1Institute for X-Optics (IXO), Hochschule Koblenz, ou_persistent22              
2The Hamburg Centre for Ultrafast Imaging (CUI), University of Hamburg, ou_persistent22              
3Institut für Experimentalphysik, University of Hamburg, ou_persistent22              
4Institut für Angewandte Physik, University of Hamburg, ou_persistent22              
5Deutsches Elektronen-Synchrotron (DESY), ou_persistent22              
6Dynamics and Transport in Nanostructures, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2074319              

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 Abstract: Sub-nanosecond magnetization dynamics of small permalloy (Ni80Fe20) elements has been investigated with a new full-field transmission microscope at the soft X-ray beamline P04 of the high brilliance synchrotron radiation source PETRA III. The soft X-ray microscope generates a flat-top illumination field of 20 μm diameter using a grating condenser. A tilted nanostructured magnetic sample can be excited by a picosecond electric current pulse via a coplanar waveguide. The transmitted light of the sample plane is directly imaged by a micro zone plate with < 65 nm resolution onto a 2D gateable X-ray detector to select one particular bunch in the storage ring that probes the time evolution of the dynamic information successively via XMCD spectromicroscopy in a pump-probe scheme. In the experiments it was possible to generate a homogeneously magnetized state in patterned magnetic layers by a strong magnetic Oersted field pulse of 200 ps duration and directly observe the recovery to the initial flux-closure vortex patterns.

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Language(s): eng - English
 Dates: 2017-012016
 Publication Status: Published in print
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1063/1.4937499
 Degree: -

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Title: AIP Conference Proceedings
Source Genre: Proceedings
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Publ. Info: AIP Publishing
Pages: 4 Volume / Issue: 1696 (1) Sequence Number: 020005 Start / End Page: - Identifier: DOI: 10.1063/1.4937499