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Anomalous Nernst effect in perpendicularly magnetized τ-MnAl thin films

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2023

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Scheffler, Daniel
Beckert, Sebastian
Reichlova, Helena
Woodcock, Thomas G.
Thomas, Andy

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Deutsche Forschungsgemeinschaft (DFG): 380033763
Deutsche Forschungsgemeinschaft (DFG): 425217212
Deutsche Forschungsgemeinschaft (DFG): SFB 1432
Deutsche Forschungsgemeinschaft (DFG): 380033763
Deutsche Forschungsgemeinschaft (DFG): 425217212

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AIP Advances. AIP Publishing. 2023, 13(12), 125227. eISSN 2158-3226. Available under: doi: 10.1063/5.0179071

Zusammenfassung

τ-MnAl is interesting for spintronic applications as a ferromagnet with perpendicular magnetic anisotropy due to its high uniaxial magnetocrystalline anisotropy. Here, we report on the anomalous Nernst effect of sputter deposited τ-MnAl thin films. We demonstrate a robust anomalous Nernst effect at temperatures of 200 and 300 K with a hysteresis similar to the anomalous Hall effect and the magnetization of the material. The anomalous Nernst coefficient of (0.6 ± 0.24) µV/K at 300 K is comparable to other perpendicular magnetic anisotropy thin films. Therefore, τ-MnAl is a promising candidate for spin-caloritronic research.

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530 Physik

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ISO 690SCHEFFLER, Daniel, Sebastian BECKERT, Helena REICHLOVA, Thomas G. WOODCOCK, Sebastian T. B. GOENNENWEIN, Andy THOMAS, 2023. Anomalous Nernst effect in perpendicularly magnetized τ-MnAl thin films. In: AIP Advances. AIP Publishing. 2023, 13(12), 125227. eISSN 2158-3226. Available under: doi: 10.1063/5.0179071
BibTex
@article{Scheffler2023Anoma-69287,
  year={2023},
  doi={10.1063/5.0179071},
  title={Anomalous Nernst effect in perpendicularly magnetized τ-MnAl thin films},
  number={12},
  volume={13},
  journal={AIP Advances},
  author={Scheffler, Daniel and Beckert, Sebastian and Reichlova, Helena and Woodcock, Thomas G. and Goennenwein, Sebastian T. B. and Thomas, Andy},
  note={Article Number: 125227}
}
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