Ferroelectric and phase transition studies in cesium nitrate: poly(vinyl alcohol) composite films
Source abstract
Abstract
The composite films of cesium nitrate (CsNO3) and poly(vinyl alcohol) (PVA) with varying composition were prepared using the solvent cast method. The hysteresis loop characteristics show optimum remnant polarization (P r ) of 2.75 μC/cm2 at 50 wt.% composition. The field emission scanning electron microscope images show a nearly homogeneous distribution of CsNO3 grains in the 50 wt.% composite film. The temperature dependence of the remnant polarization shows a diffused transition temperature range from the ferroelectric to the paraelectric phase and this has been attributed to the reduced enthalpy. The butterfly features of the dielectric constant–voltage (e–V) characteristics have been attributed to polarization switching.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Solid-state spectroscopy and crystallography · Conducting polymers and applications
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