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Planar Hall Effect In CrO2

Type of Publication: Contribution to a conference collection
Publication status: Published
Author: Keizer, Ruurd S.; Gönnenwein, Sebastian T. B.; van Dijk, I.; Klapwijk, Teun M.; Gupta, Arunava
Year of publication: 2006
Conference: Low Temperature Physics : 24th International Conference on Low Temperature Physics - LT24, Aug 10, 2005 - Aug 17, 2005, Orlando
Published in: Low Temperature Physics : 24th International Conference on Low Temperature Physics, LT 24 / Takano, Y.; Hershfield, S. P.; Hirschfeld, P.J. et al. (ed.). - Berlin : AIP Press, 2006. - (AIP Conference Proceedings ; 850,1). - 1500. - ISSN 0094-243X. - eISSN 1551-7616. - ISBN 978-0-7354-0347-5
DOI (citable link): https://dx.doi.org/10.1063/1.2355272
Summary:
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.
Subject (DDC): 530 Physics

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KEIZER, Ruurd S., Sebastian T. B. GÖNNENWEIN, 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, Aug 10, 2005 - Aug 17, 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, 1500. ISSN 0094-243X. eISSN 1551-7616. ISBN 978-0-7354-0347-5. Available under: doi: 10.1063/1.2355272

@inproceedings{Keizer2006Plana-53542, title={Planar Hall Effect In CrO2}, year={2006}, doi={10.1063/1.2355272}, number={850,1}, isbn={978-0-7354-0347-5}, issn={0094-243X}, address={Berlin}, publisher={AIP Press}, 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 Gönnenwein, Sebastian T. B. and van Dijk, I. and Klapwijk, Teun M. and Gupta, Arunava}, note={Article Number: 1500} }

Gupta, Arunava Klapwijk, Teun M. 2021-04-29T13:44:17Z van Dijk, I. van Dijk, I. Klapwijk, Teun M. 2021-04-29T13:44:17Z 2006 Keizer, Ruurd S. terms-of-use Gupta, Arunava eng We report on anisotropic magnetoresistance (AMR) measurements on epitaxially grown CrO<sub>2</sub> 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 CrO<sub>2</sub> films. Hence, CrO<sub>2</sub> is a biaxial magnetic system, while it is usually considered to be uniaxial. Gönnenwein, Sebastian T. B. Gönnenwein, Sebastian T. B. Keizer, Ruurd S. Planar Hall Effect In CrO<sub>2</sub>

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