Temperature dependent spin transport properties of platinum inferred from spin Hall magnetoresistance measurements

Meyer, Sibylle; Althammer, Matthias; Geprägs, Stephan; Opel, Matthias; Gross, Rudolf; Goennenwein, Sebastian T. B.

Temperature dependent spin transport properties of platinum inferred from spin Hall magnetoresistance measurements

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Datum

2014

Autor:innen

Meyer, Sibylle

Althammer, Matthias

Geprägs, Stephan

Opel, Matthias

Gross, Rudolf

Goennenwein, Sebastian T. B.

Publikationstyp

Zeitschriftenartikel

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Published

Erschienen in

Applied Physics Letters. American Institute of Physics (AIP). 2014, 104(24), 242411. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.4885086

Zusammenfassung

We study the temperature dependence of the spin Hall magnetoresistance (SMR) in yttrium iron garnet/platinum hybrid structures via magnetization orientation dependent magnetoresistance measurements. Our experiments show a decrease of the SMR magnitude with decreasing temperature. Using the sensitivity of the SMR to the spin transport properties of the normal metal, we interpret our data in terms of a decrease of the spin Hall angle in platinum from 0.11 at room temperature to 0.075 at 10 K, while the spin diffusion length and the spin mixing conductance of the ferrimagnetic insulator/normal metal interface remain almost constant.

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530 Physik

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ISO 690

MEYER, Sibylle, Matthias ALTHAMMER, Stephan GEPRÄGS, Matthias OPEL, Rudolf GROSS, Sebastian T. B. GOENNENWEIN, 2014. Temperature dependent spin transport properties of platinum inferred from spin Hall magnetoresistance measurements. In: Applied Physics Letters. American Institute of Physics (AIP). 2014, 104(24), 242411. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.4885086

BibTex

@article{Meyer2014-01-30T10:33:55ZTempe-52422,
  year={2014},
  doi={10.1063/1.4885086},
  title={Temperature dependent spin transport properties of platinum inferred from spin Hall magnetoresistance measurements},
  number={24},
  volume={104},
  issn={0003-6951},
  journal={Applied Physics Letters},
  author={Meyer, Sibylle and Althammer, Matthias and Geprägs, Stephan and Opel, Matthias and Gross, Rudolf and Goennenwein, Sebastian T. B.},
  note={Article Number: 242411}
}

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