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A. Abu El-Fadl, E. M. El-Maghraby and G. A. Mohamad, “Influence of gamma Radiation on the Absorption Spectra and Optical Energy Gap of Li-Doped ZnO Thin Films,” Crystal Research and Technology, Vol. 39, No. 2, 2004, pp. 143-150. doi:10.1002/crat.200310162

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• TITLE: On the Electrical and Optical Properties of Polycarbonate /MNCl2 Composite

  AUTHORS: Hasan M. El Ghanem, Subhi A. Saq’an, Mahmoud Al Saadi, Sa’di M. Abdul Jawad

  KEYWORDS: Polycarbonate, MnCl2 salt, impedance, optical energy, electric conductivity, composites.

  JOURNAL NAME: Journal of Modern Physics, Vol.2 No.12, December 7, 2011

  ABSTRACT: The nature of the MnCl2 salt as a filler to polycarbonate , including their composition, particles dimensions and homogeneity of distribution have been studied using different spectroscopic techniques (XRD, DSC and TGA). A slight increases in the chain-chain separation due to the interaction of the MnCl2 salt with the polycarbonate chains was observed , while a decrease in the optical energy gap (Eopt ) of the polycarbonate polymer with increasing the salt concentration was detected .However employing impedance spectroscopy in the frequency range 10Hz up to 106 Hz. reveals an increase in the dielectric permittivity and conductivity with increasing salt content