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Ln1.5Sr0.5NiO4聚偏氟乙烯介电复合材料中期报告

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精品文档---下载后可任意编辑Ln1.5Sr0.5NiO4(Ln=La、Nd)聚偏氟乙烯介电复合材料中期报告Abstract:Polyvinylidene fluoride (PVDF) composites filled with Ln1.5Sr0.5NiO4 (Ln=La, Nd) were prepared by blending and compression molding. The dielectric properties, morphology, and thermal stability of the composites were studied. The results showed that the dielectric constant and dielectric loss of the composites were significantly enhanced due to the addition of Ln1.5Sr0.5NiO4. The dispersion of Ln1.5Sr0.5NiO4 in the PVDF matrix was found to be uniform. The coexistence of the ferroelectric phase and the paraelectric phase was observed in the PVDF matrix. In addition, the thermal stability of the composites was improved by adding Ln1.5Sr0.5NiO4.Introduction:Polyvinylidene fluoride (PVDF) is a promising dielectric material due to its high thermal stability, excellent chemical resistance, and good dielectric properties. It has been widely used in the field of electronic materials, such as insulation materials, capacitors, and piezoelectric materials.Ln1.5Sr0.5NiO4 (Ln=La, Nd) is a perovskite-type oxide with good electrical conductivity, which makes it a promising candidate as a filler for PVDF composites. In addition, the addition of Ln1.5Sr0.5NiO4 can also improve the thermal stability of the composites.In this study, PVDF composites filled with Ln1.5Sr0.5NiO4 were prepared by blending and compression molding. The dielectric properties, morphology, and thermal stability of the composites were investigated.Experimental:PVDF powder was obtained from Solvay Solexis. Ln1.5Sr0.5NiO4 powder was synthesized by solid-state reaction. The PVDF/Ln1.5Sr0.5NiO4 composites were prepared by blending PVDF and Ln1.5Sr0.5NiO4 powders at different weight ratios (90/10, 80/20, 7...

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Ln1.5Sr0.5NiO4聚偏氟乙烯介电复合材料中期报告

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