Synthesis and characterization of ferrofluid-conducting polymer composite
2004
Composites of ferrofluid-conducting polymer system have been prepared by co-precipitation and doping process. The prepared samples have been mainly characterized by FTIR, TEM, SEM, X-ray and EPR techniques. Relaxation behavior at room and liquid nitrogen temperatures, shape and size distribution of the composite gradients, sample crystallinity and the functional group attachment have been investigated. A probable schematic representation of composite formation has been described. It is observed that ferrofluid composite with saturation magnetization , Ms = 90 gauss, has electrical conductivity of the order of σ = 1.0 x 10 - 3 Ω - 1 cm - 1 which remains stable in gradient magnetic field.
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