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Meeting MS&T21: Materials Science & Technology
Symposium Advances in Dielectric Materials and Electronic Devices
Presentation Title Study and Physical Characterization of Hybrid PVDF/Ceramic Composites
Author(s) Evaristo Alexandre Falcão, Atair Carvalho da Silva, Yanela Mendez-González, Ruyan Guo, Amar S. Bhalla, Jose de los Santos Guerra
On-Site Speaker (Planned) Jose de los Santos Guerra
Abstract Scope Poly(vinylidene fluoride) (PVDF) compounds present very wide application in strategic technological areas due to the intrinsic ferroelectric property, which allows their use in electro-electronic devices, such as electro-mechanical and electro-thermal transducers, speakers, sensors, and to stimulate the bone tissue growth in animals. Although PVDF presents the best electroactive properties, compared to other ferroelectric polymers, these properties are lower than those observed in ferroelectric ceramics. In this work, hybrid composites based on PVDF/BaTiO3, PVDF/BaFe12O19, and PVDF/SrFe12O19 were studied considering different doping concentrations. The physical properties have been investigated from structural, microscturcutral, optical and dielectric characterizations. The XRD, FT-IR, and AFM measurements confirmed the incorporation of dopants in the polymeric matrix. An increase in the dielectric permittivity caused by the ceramic doping was also observed. The authors thank Fundect, CNPq (483683/2010-8, 208232/2014-1 and 303447/2019-2), FAPEMIG (PPM-00661-16 and APQ-02875-18), FINEP (04.13.0448.00/2013) and CAPES (Finance Code 001) Brazilian agencies for the financial support.

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Comparison of Chemical Treatments for the Modification of VHB 4910’s Mechanical Properties
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Effect of Deposition Humidity on the Properties of Solution-processed Indium Tin Oxide Films
Effect of Fluoride Substitution on the Morphology and Electrical Properties of Dielectric Storage Material
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Electroceramics with Ferroelectric Grain Boundaries via Cold Sintering
Epitaxial SrTiO3 Thin Films on Semiconductor Substrates
Features on the Structural Phase Transition in La-modified AgNbO3 Lead-free Ceramics
Graphs Theory and Electrophysical Parameters Characterization
Improvement of the Magnetic Characteristics of Materials Due to the Formation of Unidirectional Boundaries of Ferrite during Processing in SHS Conditions
Investigation of Electroplated 3D Printed Antennas
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NSMM Modeling of Materials, Including Dipole Engineered Novel Relaxors
P1-11: Electric and Dielectric Characterization of [Cu, 2Ta] Dipole Substituted BaTiO3 Ceramics
P1-14: Nanoscale Dipole Engineered [Y, Ta] BaTiO3 Ceramics For Relaxor-like Ferroelectrics
P1-15: Novel Dipole-pair [Zn, W] Substituted BaTiO3 Ceramic Relaxor
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Sensitivity Analysis on the Application of Direct Piezo-electric Effect Using the Finite-element Extended Complex Variable Method
Structure and Domain Morphology of Quenched Na1/2Bi1/2TiO3-BaTiO3 Piezoceramics
Study and Physical Characterization of Hybrid PVDF/Ceramic Composites
The Effect of Deformation of Low Alloy Steels Used in Metallurgy on Their Magnetic Characteristics
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