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http://dx.doi.org/10.4283/JMAG.2013.18.3.225

Anomalous Nernst Effects of [CoSiB/Pt] Multilayer Films  

Kelekci, O. (Department of Physics and Graphene Research Institute, Sejong University)
Lee, H.N. (Department of Advanced Materials Science and Engineering, Sejong University)
Kim, T.W. (Department of Advanced Materials Science and Engineering, Sejong University)
Noh, H. (Department of Physics and Graphene Research Institute, Sejong University)
Publication Information
Journal of Magnetics / v.18, no.3, 2013 , pp. 225-229 More about this Journal
Abstract
We report a measurement for the anomalous Nernst effects induced by a temperature gradient in [CoSiB/Pt] multilayer films with perpendicular magnetic anisotropy. The Nernst voltage shows a characteristic hysteresis which reflects the magnetization of the film as in the case of the anomalous Hall effects. With a local heating geometry, we also measure the dependence of the anomalous Nernst voltage on the distance d from the heating element. It is roughly proportional to $1/d^{1.3}$, which can be conjectured from the expected temperature gradient along the sample from the heat equation.
Keywords
anomalous Nernst effect; ferromagnetic film; perpendicular magnetic anisotropy; heat equation;
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