Coherent x-ray magnetic imaging with 5 nm resolution

  • Soft x-ray microscopy plays an important role in modern spintronics. However, the achievable resolution of most x-ray magnetic imaging experiments limits access to fundamental and technologically relevant length scales in the sub-10 nm regime. Here, we demonstrate x-ray magnetic microscopy with 5 nm resolution by combining holography-assisted coherent diffractive imaging with heterodyne amplification of the weak magnetic signal. The gain in resolution and contrast makes magnetic pinning sites visible and allows to measure the local width of domain walls. The ability to detect and map such properties with photons opens new horizons for elementspecific, time-resolved, and operando research on magnetic materials and beyond.

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Metadaten
Author:Riccardo Battistelli, Daniel Metternich, Michael Schneider, Lisa-Marie Kern, Kai Litzius, Josefin Fuchs, Christopher Klose, Kathinka Gerlinger, Kai Bagschik, Christian M. Günther, Dieter Engel, Claus Ropers, Stefan Eisebitt, Bastian PfauORCiDGND, Felix Büttner, Sergey Zayko
URN:urn:nbn:de:bvb:384-opus4-1130612
Frontdoor URLhttps://opus.bibliothek.uni-augsburg.de/opus4/113061
ISSN:2334-2536OPAC
Parent Title (English):Optica
Publisher:Optica Publishing Group
Type:Article
Language:English
Year of first Publication:2024
Publishing Institution:Universität Augsburg
Release Date:2024/05/21
Volume:11
Issue:2
First Page:234
Last Page:237
DOI:https://doi.org/10.1364/optica.505999
Institutes:Mathematisch-Naturwissenschaftlich-Technische Fakultät
Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik
Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik / Lehrstuhl für Experimentalphysik V
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):CC-BY 4.0: Creative Commons: Namensnennung (mit Print on Demand)