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  Time-spliced X-ray diffraction imaging of magnetism dynamics in a NdNiO3 thin film

Beyerlein, K. (2018). Time-spliced X-ray diffraction imaging of magnetism dynamics in a NdNiO3 thin film. Proceedings of the National Academy of Sciences, 115(9), 2044-2048. doi:10.1073/pnas.1716160115.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-2F32-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-E189-2
Genre: Journal Article

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https://arxiv.org/abs/1706.01718 (Preprint)
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 Creators:
Beyerlein, K.R.1, 2, Author              
Affiliations:
1Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938293              
2Center for Free-Electron Laser Science, ou_persistent22              

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Free keywords: coherent X-ray diffraction imaging, resonant X-ray diffraction, midinfrared laser, oxide heterostructure, antiferromagnetism
 Abstract: maging the atomic-scale dynamics of thin films is important to develop the next generation of computer technology. Coherent diffraction imaging can provide this information for other dimensionalities, but is unreliable when applied to thin-film measurements. This paper describes an approach to solving this problem using many measurements on a system that is changing in time. As an example, a demagnetization front is imaged as it sweeps through an antiferromagnetic film at twice the speed of sound, leaving a paramagnetic state in its wake. This fast switching is initiated by a midinfrared pulse tuned to the substrate. The recovered magnetization evolution then shows the potential for control of optoelectronic switching devices by driving interface lattice dynamics.

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Language(s): eng - English
 Dates: 2017-09-142018-01-242018-02-132018-02-27
 Publication Status: Published in print
 Pages: 5
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1073/pnas.1716160115
arXiv: 1706.01718
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Project name : This work was funded by the European Research Council Grant 319286 (Q-MAC).
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Title: Proceedings of the National Academy of Sciences
Source Genre: Journal
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Publ. Info: National Academy of Sciences
Pages: 5 Volume / Issue: 115 (9) Sequence Number: - Start / End Page: 2044 - 2048 Identifier: ISSN: 0027-8424