Role of doped ZnO nanoparticles as polymer chain segmental motion exciter in PVA-ZnO nanocomposites investigated by dielectric relaxation spectroscopy

Shobhna Choudhary; Ram J. Sengwa

Volume 2, Issue 5 , 2017, , Pages 315-324

  The dielectric and electrical spectra of solution cast prepared nanocomposite films comprising poly(vinyl alcohol) (PVA) as polymer matrix and zinc oxide (ZnO) as inorganic nanofiller (PVA–x wt% ZnO (x = 0, 1, 3 and 5)) have been investigated in the frequency range from 20 Hz to 1 MHz. Anomalous ...  Read More

Nonlinear enhancement of the dielectric properties of PVA-Al2O3 nanocomposites

Ram J. Sengwa; Shobhna Choudhary

Volume 2, Issue 4 , 2017, , Pages 280-287

  Dielectric dispersion and relaxation behaviour of aqueous solution grown polymeric nanocomposite films consisting of poly(vinyl alcohol) (PVA) and alumina (Al2O3) (PVA–x wt% Al2O3 (x = 0, 1, 3 and 5)) have been studied in the frequency range from 20 Hz to 1 MHz by employing dielectric relaxation ...  Read More