We have prepared a trial oxide thermal rectifier made of two cobalt oxides with different thermal conductivities based on a theoretical design. We created an experimental system to measure the thermal rectification and found that the rectifying coefficient defined by the ratio of heat current in a forward direction to that in the opposite direction was 1.43. We verified the thermal rectification by analyzing it quantitatively.
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Acknowledgements
We acknowledge Y. Horiuchi, S. Shibasaki, and M. Abdel-Jawad for their technical support and valuable comments. This study was partially supported by the Murata Science Foundation.
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Kobayashi, W., Teraoka, Y. & Terasaki, I. A Trial Thermal Rectifier. J. Electron. Mater. 39, 1488–1492 (2010). https://doi.org/10.1007/s11664-010-1302-5
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DOI: https://doi.org/10.1007/s11664-010-1302-5