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The effect of self-assembled barium titanate (BT) aggregates in polyvinylidene fluoride (PVDF) matrix on the α‐β phase transition was investigated. The self-assembled BT/PVDF composites were prepared with and without dispersant in the self-assembled process. The addition of dispersants increased the average secondary particle area (S) of the BT particles and promoted the BT/PVDF/BT hetero-interface. FT-IR showed that the α‐β phase transition of the composites enhanced with increasing S. The Cole-Cole plot was estimated the existence of orientation polarization and interface polarization. According to these results, we proposed a BT/PVDF/BT hetero-interface model based on the double Schottky barrier model.

権利情報:

• Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
  

キーワード: BaTiO3/PVDF, phase transition, hetero-interface, double Shottky, barrier model, aggregates

刊行年月日: 2022-05-15

出版者: Japan Society of Powder and Powder Metallurgy

掲載誌:

• 粉体および粉末冶金 (ISSN: 18809014) vol. 69 issue. 5 p. 195-199

研究助成金:

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.2497/jjspm.69.195

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更新時刻: 2024-12-24 13:58:29 +0900

MDRでの公開時刻: 2024-12-24 13:58:29 +0900