Investigations of structural, optical, dielectric and antimicrobial properties of Zirconia-Vanadia nanocomposite

Zirconia-Vanadia nanocomposite synthesized by coprecipitation-calcination technique was prepared. XRD plots confirmed the presence of both materials in the composite. SEM and TEM pictures showed the formation of spherical and needle shaped structures. EDX spectrum confirms the presence of both eleme...

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Bibliographic Details
Published in:Chemical physics impact 2023-06, Vol.6, p.100213, Article 100213
Main Authors: Padmamalini, N., Jayaprakash, P., Manimekalai, K., Philip Raja, S.
Format: Article
Language:English
Subjects:
Dielectric properties
Electric modulus
Impedance studies
Nanocomposite
TEM
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Summary:Zirconia-Vanadia nanocomposite synthesized by coprecipitation-calcination technique was prepared. XRD plots confirmed the presence of both materials in the composite. SEM and TEM pictures showed the formation of spherical and needle shaped structures. EDX spectrum confirms the presence of both elements. A.C conductivity plots show a linear variation with frequency. Impedance analysis suggested a decrease in impedance with increase in temperature. Modulus analysis showed a temperature dependent relaxation process. The material has a high dielectric constant of about 2500, making it suitable for use as a gate dielectric. Antimicrobial activity analysis suggested the efficacy of the composite against three types of bacteria. Nyquist plots of ZrO2-V2O5 nanocomposite [Display omitted]
ISSN:2667-0224
2667-0224
DOI:10.1016/j.chphi.2023.100213