Fig. 2 Experimental setups for spin caloritronic measurements.

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Fig. 2 Experimental setups for spin caloritronic measurements. Experimental setups for spin caloritronic measurements. (A) Device configuration to measure the Seebeck coefficient and the magnetothermoelectric effect. Heat flow is generated by a resistive element, and a thermoelectric voltage ΔV is created by the temperature difference ΔT between the two metallic electrodes that is measured by a thermocouple (see Materials and Methods for details). (B) Device architecture and measurement configuration for the Peltier cooling/heating detection. Two Cernox temperature sensors A and B are used to probe the local temperature change at the electrode—NW network junctions induced by the electric current flow (see Materials and Methods for details). Device dimensions in (A) and (B) are 15 mm long, 5 mm wide, and 22 μm thick, and the color represents the generated temperature profile in the NW networks. The gold electrodes are 2 mm wide. Tristan da Câmara Santa Clara Gomes et al. Sci Adv 2019;5:eaav2782 Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).