Abstract
Amorphous Fe-Ti-Sb (FTS) thin film was prepared on a 0.3-µm SiO2/Si wafer by a DC magnetron sputtering method to investigate the spintronic thermoelectric (STE) properties based on the anomalous Nernst effect (ANE) and spin Seebeck effect (SSE). A platinum (Pt) ultra-thin layer was coated on top FTS (Pt/FTS) thin film surface to be used for the spin Hall detector. The crystal structure, morphology, composition and magnetic characteristics of as-deposited FTS and Pt/FTS thin films were carried out by x-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive x-ray spectroscopy (EDS), and vibrating sample magnetometry (VSM), respectively. As a result, the crystal structure and morphology displayed a metallic-glass type within the amorphous phase and a smooth surface. The magnetic characterization showed that an ANE and SSE of FTS thin film to yield a spin Seebeck coefficient (Ss) of around 0.35 µV K− 1.
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Acknowledgments
This work was financially supported by the Japan Science and Technology Agency (JST) as part of SICORP (Grant Number: JPMJSC21E3), the Council of Thailand (NRCT) through the Program Management Unit for Human Resources & Institutional Development Research and Innovation (PMU-B) (B16F650001) and the Office of the Permanent Secretary, Ministry of Higher Education, Science, Research and Innovation through a Research Grant for New Scholars (Grant No. RGNS 65-174).
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Vora-ud, A., Wongjom, P., Thaowonkaew, S. et al. Spintronic Thermoelectric Properties of Amorphous Fe-Ti-Sb Thin Films. J. Electron. Mater. 52, 989–993 (2023). https://doi.org/10.1007/s11664-022-10107-w
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DOI: https://doi.org/10.1007/s11664-022-10107-w