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説明:

Iron silicide (β-FeSi2) has attracted considerable interest as a sustainable thermoelectric material due to its abundance, non-toxicity, and environmental compatibility. Their conduction flexibility allows a wide range of dopants to tune transport behavior, creating opportunities for improved performance. However, dopant solubility limits and the formation of secondary phases remain key challenges. In this article, we highlight recent advances in strategies to enhance the thermoelectric performance of β-FeSi2-based materials and discuss the interplay between phase evolution, electrical, and thermal transport. We also outline prospects that may unlock further improvements, offering pathways toward higher thermoelectric efficiency in this material system.

Impact Statement

This review covers the observation of structural transition and strategies to enhance electrical and thermoelectric properties of metal-doped iron silicides, providing insights for future research to improve material performance.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Iron silicide, structural properties, transport properties, thermoelectric materials

刊行年月日: 2025-12-31

出版者: Taylor & Francis

掲載誌:

• Science and Technology of Advanced Materials (ISSN: 14686996) vol. 26 2585555

研究助成金:

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5897

公開URL: https://doi.org/10.1080/14686996.2025.2585555

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更新時刻: 2025-11-13 08:30:08 +0900

MDRでの公開時刻: 2025-11-13 08:22:06 +0900