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Planar Hall Effect In CrO2

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2006

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Keizer, Ruurd S.
van Dijk, I.
Klapwijk, Teun M.
Gupta, Arunava

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https://doi.org/10.1063/1.2355272
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TAKANO, Y., ed., S. P. HERSHFIELD, ed., P.J. HIRSCHFELD, ed. and others. Low Temperature Physics : 24th International Conference on Low Temperature Physics, LT 24. Berlin: AIP Press, 2006, 1500. AIP Conference Proceedings. 850,1. ISSN 0094-243X. eISSN 1551-7616. ISBN 978-0-7354-0347-5. Available under: doi: 10.1063/1.2355272

Zusammenfassung

We report on anisotropic magnetoresistance (AMR) measurements on epitaxially grown CrO2 thin films patterned into Hall bars. AMR measurements at 4.2K, with the external magnetic field applied in the film plane, reveal both a longitudinal (sheet) and a transverse (planar Hall) resistance. The observation of the planar Hall effect unambiguously demonstrates the presence of two distinct magnetic easy axes in the plane of the CrO2 films. Hence, CrO2 is a biaxial magnetic system, while it is usually considered to be uniaxial.

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Low Temperature Physics : 24th International Conference on Low Temperature Physics - LT24, 10. Aug. 2005 - 17. Aug. 2005, Orlando
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ISO 690KEIZER, Ruurd S., Sebastian T. B. GOENNENWEIN, I. VAN DIJK, Teun M. KLAPWIJK, Arunava GUPTA, 2006. Planar Hall Effect In CrO2. Low Temperature Physics : 24th International Conference on Low Temperature Physics - LT24. Orlando, 10. Aug. 2005 - 17. Aug. 2005. In: TAKANO, Y., ed., S. P. HERSHFIELD, ed., P.J. HIRSCHFELD, ed. and others. Low Temperature Physics : 24th International Conference on Low Temperature Physics, LT 24. Berlin: AIP Press, 2006, 1500. AIP Conference Proceedings. 850,1. ISSN 0094-243X. eISSN 1551-7616. ISBN 978-0-7354-0347-5. Available under: doi: 10.1063/1.2355272
BibTex
@inproceedings{Keizer2006Plana-53542,
  year={2006},
  doi={10.1063/1.2355272},
  title={Planar Hall Effect In CrO<sub>2</sub>},
  number={850,1},
  isbn={978-0-7354-0347-5},
  issn={0094-243X},
  publisher={AIP Press},
  address={Berlin},
  series={AIP Conference Proceedings},
  booktitle={Low Temperature Physics : 24th International Conference on Low Temperature Physics, LT 24},
  editor={Takano, Y. and Hershfield, S. P. and Hirschfeld, P.J.},
  author={Keizer, Ruurd S. and Goennenwein, Sebastian T. B. and van Dijk, I. and Klapwijk, Teun M. and Gupta, Arunava},
  note={Article Number: 1500}
}
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