Anomalous Nernst Effects of [CoSiB/Pt] Multilayer Films
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/d1.3, which can be conjectured from the expected temperature gradient along the sample from the heat equation.
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