NDLI: Development of multiferroic polymer nanocomposite from PVDF and (Bi$_{0.5}$Ba$_{0.25}$Sr$_{0.25}$)(Fe$_{0.5}$Ti$_{0.5}$)O$

Content Provider	SpringerLink
Author	Behera, C. Choudhary, R. N. P. Das, P. R.
Copyright Year	2016
Abstract	Thin films of some polymer–ceramics multiferroic nanocomposites (in 0–3 connectivity) of compositions (1 − x)PVDF–x((Bi$_{0.5}$Ba$_{0.25}$Sr$_{0.25}$)(Fe$_{0.5}$Ti$_{0.5}$)O$_{3}$ (x = 0.05,0.1,0.15)) have been prepared using a standard solution casting method. The basic structure and surface morphology of the materials were studied using X-ray diffraction and scanning electron microscopy technique respectively. Structural investigation confirms the presence of polymeric electro active β-phase of matrix (PVDF) and nano filler perovskite phase of the incorporated nano-ceramics. The high resolution transmission electron micrograph of the prepared nano-ceramic thin film composite has shown distinct and uniformly distributed particles (with less agglomeration). This has been observed in SEM micrographs also. The flexible nano-composites fabricated with polymer (PVDF), bismuth ferrite (BiFeO$_{3}$) and ferroelectric (BST) exhibit high dielectric constant and low tangent loss. The electric response investigated by impedance spectroscopy technique in terms of electric circuit has provided some interesting results on contributions of grain and grain boundary in the restive characteristics of the composites. The study of ac conductivity as a function of frequency obeys Jonscher’s power law. The experimentally obtained first order magnetoelectric coefficient (α$_{ME}$) is found to encouraging for multifunctional application. The improved conductivity and dielectric properties suggest some promising applications in the embedded capacitors.
Starting Page	2586
Ending Page	2597
Page Count	12
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	28
Issue Number	3
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2016-10-13
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Biomedical Engineering Electronic, Optical and Magnetic Materials Bioengineering Condensed Matter Physics Biophysics Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering Biomaterials

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