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Study of the spectroscopic, magnetic, and electrical behavior of PVDF/PEO blend incorporated with nickel ferrite (NiFe2O4) nanoparticles
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Study of the spectroscopic, magnetic, and electrical behavior of PVDF/PEO blend incorporated with nickel ferrite (NiFe2O4) nanoparticles
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Journal Article
Study of the spectroscopic, magnetic, and electrical behavior of PVDF/PEO blend incorporated with nickel ferrite (NiFe2O4) nanoparticles
2023
Overview
Pure nickel ferrite nanoparticles (NiFe
2
O
4
NPs) were prepared by the solvothermal method. Different concentrations of NiFe
2
O
4
were added to PVDF/PEO blend to prepare the PVDF/PEO-NiFe
2
O
4
nanocomposite films. The films were characterized using different techniques in detail. Pure NiFe
2
O
4
NPs images have a semispherical shape and roundness of the edges, with average particle size ~ 4.3–8.8 nm, and polycrystalline structure. Pure NiFe
2
O
4
NPs show that micrometrical agglomeration suggests the presence of pore-free crystallites on the surface. The spectroscopic techniques such as XRD, FTIR, and UV–visible have confirmed the interaction between PVDF/PEO and NiFe
2
O
4
NPs. Still, the nanocomposites exhibit a smooth surface with typical spherulitic clusters revealing the semi-crystalline structure of the PVDF/PEO-NiFe
2
O
4
nanocomposites. The values of
ε
′ and
ε
″ were increased as an increase of NiFe
2
O
4
due to the high value of dielectric permittivity of NiFe
2
O
4
. The appearance of semi-circles in the plot of
M
″ with Log confirms the single phase of the samples. The dielectric measurements show that
M
′ is inversely proportional to
ε
′. At higher temperatures,
M
′ levels off at frequencies higher than those at lower temperatures because the relaxation processes were spread over a range of frequencies. The values of saturation magnetization of PVDF/PEO-NiFe
2
O
4
films were linearly increased as an increase of NiFe
2
O
4
indicates improvement in the magnetic vector arrangement. Due to the enhancement of the magnetic properties, they can further exploit the films for magnetic applications.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V
