Publikation:

Photoemission electron microscopy of magneto-ionic effects in La0.7Sr0.3MnO3

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Wilhelm_2-rrlja1jc704h2.pdf
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2020

Autor:innen

Wilhelm, Marek
Giesen, Margret
Duchoň, Tomáš
Moors, Marco
Mueller, David N.
Hackl, Johanna
Baeumer, Christoph
Hamed, Mai Hussein
Cao, Lei
et al.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-2-rrlja1jc704h2
DOI (zitierfähiger Link)
https://doi.org/10.1063/5.0022150
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CC BY 4.0

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Published

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APL Materials. American Institute of Physics (AIP). 2020, 8, 111102. eISSN 2166-532X. Available under: doi: 10.1063/5.0022150

Zusammenfassung

Magneto-ionic control of magnetism is a promising route toward the realization of non-volatile memory and memristive devices. Magneto-ionic oxides are particularly interesting for this purpose, exhibiting magnetic switching coupled to resistive switching, with the latter emerging as a perturbation of the oxygen vacancy concentration. Here, we report on electric-field-induced magnetic switching in a La0.7Sr0.3MnO3 (LSMO) thin film. Correlating magnetic and chemical information via photoemission electron microscopy, we show that applying a positive voltage perpendicular to the film surface of LSMO results in the change in the valence of the Mn ions accompanied by a metal-to-insulator transition and a loss of magnetic ordering. Importantly, we demonstrate that the voltage amplitude provides granular control of the phenomena, enabling fine-tuning of the surface electronic structure. Our study provides valuable insight into the switching capabilities of LSMO that can be utilized in magneto-ionic devices.

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530 Physik

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ISO 690WILHELM, Marek, Margret GIESEN, Tomáš DUCHOŇ, Marco MOORS, David N. MUELLER, Johanna HACKL, Christoph BAEUMER, Mai Hussein HAMED, Lei CAO, Martina MÜLLER, 2020. Photoemission electron microscopy of magneto-ionic effects in La0.7Sr0.3MnO3. In: APL Materials. American Institute of Physics (AIP). 2020, 8, 111102. eISSN 2166-532X. Available under: doi: 10.1063/5.0022150
BibTex
@article{Wilhelm2020Photo-52386,
  year={2020},
  doi={10.1063/5.0022150},
  title={Photoemission electron microscopy of magneto-ionic effects in La<sub>0.7</sub>Sr<sub>0.3</sub>MnO<sub>3</sub>},
  volume={8},
  journal={APL Materials},
  author={Wilhelm, Marek and Giesen, Margret and Duchoň, Tomáš and Moors, Marco and Mueller, David N. and Hackl, Johanna and Baeumer, Christoph and Hamed, Mai Hussein and Cao, Lei and Müller, Martina},
  note={Article Number: 111102}
}
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