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IJPAP Vol.46(06) [June 2008] >


Title: Dielectric properties and surface morphology of proton irradiated ferric oxalate dispersed PVC films
Authors: Shah, Sejal
Singh, Dolly
Qureshi, Anjum
Singh, N L
Singh, K P
Shrinet, V
Keywords: Proton irradiation
PVC
Organometallics
Dielectric properties
Universal power law
SEM
Issue Date: Jun-2008
Publisher: CSIR
Abstract: Different concentrations of organometallic compound (ferric oxalate) have been dispersed in polyvinyl chloride (PVC) films. PVC has been synthesized by solution polymerization technique. These films have been irradiated with 3 MeV protons at a fluence of 110¹³ ions/cm². The frequency response of dielectric behaviour has been studied both in pristine and irradiated samples using LCR meter in the frequency range100 Hz-10MHz. The results so obtained are explained using the universal law of dielectric behaviour (ε α f ⁿ⁻¹). The results are also explained on the basis of intra-cluster motion. It is observed that the log conductivity increases with increase in metal concentration and also with the fluence. The dielectric constant/loss shows frequency dependent behaviour. SEM studies show that the particle size of metal compound decreases upon irradiation.
Page(s): 439-442
ISSN: 0019-5596
Source:IJPAP Vol.46(06) [June 2008]

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