D.C. conductivity behaviour of poly(vinyl alcohol)-based ferrogels: role of borax and carbonyl iron

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dc.contributor.authorLawrence, Mathias B.
dc.contributor.authorJoseph, Jaison
dc.contributor.authorPhondekar, Karesh
dc.contributor.authorMoodi, Kiran
dc.date.accessioned2024-11-27T10:56:42Z
dc.date.available2024-11-27T10:56:42Z
dc.date.issued2019
dc.description.abstractThe d.c. conductivity of poly(vinyl alcohol) hydrogels and ferrogels, cross-linked with borax, has been studied using two-probe resistance measurement method as a function of cross-linker and dopant concentrations. The availability of charge carriers (i.e. unbound borate ions and free sodium ions) in these matrices is seen to vary with cross-linker and dopant concentrations. Increase in borax concentration leads to the rise in d.c. conductivity values. Enhancement in the carbonyl iron dopant proportions, at unchanged borax concentrations, causes a decrease in the conductivity. This behaviour is explained on the basis of structural modifications introduced within the network matrix owing to the variations in cross-linker and dopant concentrations.
dc.identifier.citationPolymer Bulletin. 76(12) ; 2019; 6327-6341.
dc.identifier.issn0170-0839
dc.identifier.urihttp://dx.doi.org/10.1007/s00289-019-02719-w
dc.identifier.urihttp://khandolacollege.ndl.gov.in/handle/123456789/90
dc.language.isoen
dc.publisherSpringer Nature
dc.subjectNATURAL SCIENCES::Physics
dc.titleD.C. conductivity behaviour of poly(vinyl alcohol)-based ferrogels: role of borax and carbonyl iron
dc.typeArticle
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