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Synthesis and characterization of magnetic and conductive nickel ferrite-polyaniline nanocomposites

Prasanna, GD and Ashok, RL and Prasad, VB and Jayanna, HS (2015) Synthesis and characterization of magnetic and conductive nickel ferrite-polyaniline nanocomposites. In: JOURNAL OF COMPOSITE MATERIALS, 49 (21). pp. 2649-2657.

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Official URL: http://dx.doi.org/10.1177/0021998314552090


Conducting polymer/ferrite nanocomposites with an organized structure provide a new functional hybrid between organic and inorganic materials. The most popular among the conductive polymers is the polyaniline due to its wide application in different fields. In the present work nickel ferrite nanoparticles were prepared by sol-gel citrate-nitrate method. Polyaniline/nickel ferrite nanocomposites were synthesized by a simple general and inexpensive in-situ polymerization in the presence of nickel ferrite nanoparticles. The effects of nickel ferrite nanoparticles on the DC-electrical and magnetic properties of polyaniline were investigated. The structural, morphological and thermal stability of nanocomposites were characterized by X-ray diffraction, FTIR, scanning electron micrograph and TGA. The DC conductivity of polyaniline/nickel ferrite nanocomposites have been measured as a function of temperature in the range of 80K to 300K. The magnetic properties of the nanocomposites were measured using vibrating sample magnetometer in the temperature range 300-10K up to 30 kOe magnetic field.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the SAGE PUBLICATIONS LTD, 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND
Keywords: Nanocomposites; conducting polymers; sol-gel preparation; electrical properties; magnetic properties
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 24 Sep 2015 05:05
Last Modified: 24 Sep 2015 05:05
URI: http://eprints.iisc.ac.in/id/eprint/52392

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