Improved magnetodielectric coefficient on polymer based composites through enhanced indirect magnetoelectric coupling
Flexible particulate composites with general formula [xCoFe2O4]/[(1 − x) (Polyvinylidene fluoride)] were prepared for x = 0, 3, 11, and 20 wt. %. The dielectric constant, dielectric loss, and saturation magnetization of the composites increase with the increasing CoFe2O4 content, being 13, 0.13, and...
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Veröffentlicht in: | Applied physics letters 2016-09, Vol.109 (11) |
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Sprache: | eng |
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Zusammenfassung: | Flexible particulate composites with general formula [xCoFe2O4]/[(1 − x) (Polyvinylidene fluoride)] were prepared for x = 0, 3, 11, and 20 wt. %. The dielectric constant, dielectric loss, and saturation magnetization of the composites increase with the increasing CoFe2O4 content, being 13, 0.13, and 13 emu g−1, respectively, for x = 20. The change in the dielectric response (magnetodielectric effect (%)) is the highest among all the reported polymer-based composites for the x = 20 sample (4.2%), and on the contrary, the highest value of the magnetodielectric coefficient (γ) is higher on the x = 3 sample (0.015 emu−2 g2). Such features have large application potential in areas such as filters, magnetic field sensors and actuators, among others. |
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ISSN: | 0003-6951 1077-3118 |
DOI: | 10.1063/1.4963003 |