Anomalous-Nernst and anisotropic magnetoresistive heating in a lateral spin valve

We measured the anomalous-Nernst effect and anisotropic magnetoresistive heating in a lateral multiterminal Permalloy/Copper spin valve using all-electrical lock-in measurements. To interpret the results, a three-dimensional thermoelectric finite-element-model is developed. Using this model, we extr...

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Bibliographic Details
Published inarXiv.org
Main Authors Slachter, A, Bakker, F L, van Wees, B J
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 16.03.2011
Subjects
Anisotropy
Ferrous alloys
Finite element method
Heating
Magnetic alloys
Magnetoresistivity
Nernst-Ettingshausen effect
Physics - Mesoscale and Nanoscale Physics
Spin valves
Three dimensional models
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Summary:We measured the anomalous-Nernst effect and anisotropic magnetoresistive heating in a lateral multiterminal Permalloy/Copper spin valve using all-electrical lock-in measurements. To interpret the results, a three-dimensional thermoelectric finite-element-model is developed. Using this model, we extract the heat profile which we use to determine the anomalous Nernst coefficient of Permalloy Rn=0.13 and also determine the maximum angle of theta=8 degrees of the magnetization prior to the switching process when an opposing non-collinear 10\(^{\circ}\) magnetic field is applied.
ISSN:2331-8422
DOI:10.48550/arxiv.1103.3305