Publikation:

Longitudinal spin Seebeck effect contribution in transverse spin Seebeck effect experiments in Pt/YIG and Pt/NFO

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Goennenwein_2-tosjsvalowf34.pdf
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Datum

2015

Autor:innen

Meier, Daniel
Reinhardt, Daniel
van Straaten, Michael
Klewe, Christoph
Althammer, Matthias
Schreier, Michael
Gupta, Arunava
Schmid, Maximilian
Back, Christian H.
et al.

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URI (zitierfähiger Link)
http://nbn-resolving.de/urn:nbn:de:bsz:352-2-tosjsvalowf34
DOI (zitierfähiger Link)
https://doi.org/10.1038/ncomms9211
ArXiv-ID
http://arxiv.org/abs/1411.6790

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CC BY 4.0

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Open Access-Veröffentlichung
Open Access Gold

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Physik: Publikationen
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Published

Erschienen in

Nature Communications. Nature Publishing Group. 2015, 6(1), 8211. eISSN 2041-1723. Available under: doi: 10.1038/ncomms9211

Zusammenfassung

The spin Seebeck effect, the generation of a spin current by a temperature gradient, has attracted great attention, but the interplay over a millimetre range along a thin ferromagnetic film as well as unintended side effects which hinder an unambiguous detection have evoked controversial discussions. Here, we investigate the inverse spin Hall voltage of a 10 nm thin Pt strip deposited on the magnetic insulators Y3Fe5O12 and NiFe2O4 with a temperature gradient in the film plane. We show characteristics typical of the spin Seebeck effect, although we do not observe the most striking features of the transverse spin Seebeck effect. Instead, we attribute the observed voltages to the longitudinal spin Seebeck effect generated by a contact tip induced parasitic out-of-plane temperature gradient, which depends on material, diameter and temperature of the tip.

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530 Physik

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ISO 690MEIER, Daniel, Daniel REINHARDT, Michael VAN STRAATEN, Christoph KLEWE, Matthias ALTHAMMER, Michael SCHREIER, Sebastian T. B. GOENNENWEIN, Arunava GUPTA, Maximilian SCHMID, Christian H. BACK, 2015. Longitudinal spin Seebeck effect contribution in transverse spin Seebeck effect experiments in Pt/YIG and Pt/NFO. In: Nature Communications. Nature Publishing Group. 2015, 6(1), 8211. eISSN 2041-1723. Available under: doi: 10.1038/ncomms9211
BibTex
@article{Meier2015-09-23Longi-53394,
  year={2015},
  doi={10.1038/ncomms9211},
  title={Longitudinal spin Seebeck effect contribution in transverse spin Seebeck effect experiments in Pt/YIG and Pt/NFO},
  number={1},
  volume={6},
  journal={Nature Communications},
  author={Meier, Daniel and Reinhardt, Daniel and van Straaten, Michael and Klewe, Christoph and Althammer, Matthias and Schreier, Michael and Goennenwein, Sebastian T. B. and Gupta, Arunava and Schmid, Maximilian and Back, Christian H.},
  note={Article Number: 8211}
}
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    <dcterms:abstract xml:lang="eng">The spin Seebeck effect, the generation of a spin current by a temperature gradient, has attracted great attention, but the interplay over a millimetre range along a thin ferromagnetic film as well as unintended side effects which hinder an unambiguous detection have evoked controversial discussions. Here, we investigate the inverse spin Hall voltage of a 10 nm thin Pt strip deposited on the magnetic insulators Y&lt;sub&gt;3&lt;/sub&gt;Fe&lt;sub&gt;5&lt;/sub&gt;O&lt;sub&gt;12&lt;/sub&gt; and NiFe&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;4&lt;/sub&gt; with a temperature gradient in the film plane. We show characteristics typical of the spin Seebeck effect, although we do not observe the most striking features of the transverse spin Seebeck effect. Instead, we attribute the observed voltages to the longitudinal spin Seebeck effect generated by a contact tip induced parasitic out-of-plane temperature gradient, which depends on material, diameter and temperature of the tip.</dcterms:abstract>
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