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Showing 1 to 11 of 11 for “"P(VDF-TrFE)"”.
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Multimaterial fiber microelectromechanical systems based on electrostrictive P(VDF-TrFE-CFE)
… a thermally drawn MEMS fiber device based on P(VDF-TrFE-CFE) ferrorelaxor terpolymer is presented. Electromechanical actuation capabilities of this fiber device are established with a maximum strain of 0.78% and a maximum transverse deflection of 7[mu]m under an applied voltage of 300VDC. The …
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Stability of polarization in organic ferroelectric metal-insulator-semiconductor structures
… poly(vinylidenefluoride-trifluoroethylene)(P(VDF-TrFE)) as the gate insulator. Dielectric measurements have been carried out on all-organic metal-insulator-semiconductor structures with the ferroelectric polymer poly(vinylidenefluoride-trifluoroethylene) (P(VDF-TrFE)) as the gate insu-lator. …
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The effect of nanostructuring and crystallinity on triboelectric energy harvesting devices for biomedical applications
… fluoride-co-trifluoroethylene) (P(VDF-TrFE)) as tribonegative materials. These materials were all nanostructured using a meltpress template-wetting method, using an anodised aluminium oxide (AAO) membrane as the template. This method was carried out on a hot plate which allowed fine …
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Electrodeposited Functional Nanowires for Energy Applications
… poly(vinylidene fluoride trifluoroethylene) (P(VDF-TrFE)) NWs and nanotubes (NTs). Both techniques have been optimised and subsequently combined to synthesise core-shell or (1-1) Ni - P(VDF-TrFE) composite NWs. The structural and crystalline properties of each type of nanostructure has been …
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GRAPHENE BASED DUAL FUNCTIONAL, SELF-POWERED PHOTODETECTOR FOR DAILY UV SENSING
… Specifically, a ferroelectric gate made of P(VDF-TrFE) is employed to tune the doping level of graphene, creating a higher Schottky barrier and enhancing the responsivity of fabricated photodetector.
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Flexible electronics : materials and sensor fabrication
… both used to investigate the structure of the P(VDF-TrFE) films. Optical microscopy is used to investigate the thickness and uniformity of the deposited films. The formulation of P(VDF-TrFE) for printing is also described for the three printing methods. Piezoelectric accelerometers have been …
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Coupling of the electrical, mechanical and optical response in polymer/liquid-crystal composites
… poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) and a nematic liquid crystal (LC). The anchoring effect is studied by means of dielectric relaxation spectroscopy. Two dispersion regions are observed in the dielectric spectra of the pure P(VDF-TrFE) film. They are related to the glass …
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Mesoscale Computational Analysis on the Reactivity of Heterogeneous Energetic Materials with Electromechanical Properties
… strain gradient, and E-field distributions of P(VDF-TrFE)/nAl (i.e., a composite film consisting of nanoaluminum particles embedded within PVDF-TrFE binder) possessing flexoelectric and piezoelectric properties. The attainment of sufficient E-field intensity within the material is then used as …
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Caloric effects in ferroic materials
… fluoride – co – trifluoroethylene (PVDF-TrFE) with different compositions. P(VDF-TrFE) polymers have been previously investigated for elec- trocalorics effects driven by electric fields; here their barocaloric performance on applying and removing pressure is studied. Other …
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Novel Functional Polymeric Nanomaterials for Energy Harvesting Applications
… polymers such as polyvinylidene fluoride (PVDF) and polyvinylidene fluoride-trifluoroethylene (P(VDF-TrFE)). However, limitations in thin-film fabrication of Nylon-11 have led to poor control over crystallinity, and thus investigation of this material for practical applications had been …
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Pyroelektrische Materialien
Zur Messung pyrelektrischer Koeffzienten wurde ein Messplatz nach einem erweiterten SHARP-GARN-Verfahren entwickelt und zur Untersuchung von Phasenumwandlungen in Pyroelektrika eingesetzt. Einerseits konnten pyroelektrische Messungen im elektrischen Feld die Pyroelektrizität einer neuen durch …