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BATOOL MOHAMMED and AHMED HASHIM

Fabrication and Dielectric Characteristics of PVA/SiO2/BaTiO3 Nanocomposites for Nanoelectronics Fields
401–408 (2024)

PACS numbers: 77.22.Ch, 77.22.Gm, 78.20.Ci, 78.67.Sc, 81.07.Pr, 82.35.Np, 85.35.Ds

Nanocomposites’ films of pure polyvinyl alcohol (PVA) and PVA doped with SiO2/BaTiO3 nanoparticles are fabricated using casting technique. The dielectric characteristics of PVA/SiO2/BaTiO3 nanocomposites are examined. The results show to enhance in dielectric properties, which include dielectric constant, dielectric loss and A.C. electrical conductivity of PVA with an increase in the SiO2/BaTiO3-nanoparticles’ content. The dielectric constant and dielectric loss of PVA/SiO2/BaTiO3 nanocomposites are reduced, while the A.C. electrical conductivity is increased, with raising the frequency. Finally, the obtained results illustrate that PVA/SiO2/BaTiO3 nanocomposites may be useful in various electrical fields

KEY WORDS: polyvinyl alcohol, BaTiO3, SiO2, nanocomposites, dielectric properties, conductivity

DOI:  https://doi.org/10.15407/nnn.22.02.401

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