• Structural characterization and complex impedance studies on fast ion conducting mixed system (SbI3)𝑥–(Ag2CrO4)1−𝑥

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    • Keywords


      Electrical conductivity; impedance; DSC; XRD; conductivity spectra.

    • Abstract


      This paper deals with preparation and physico-chemical characterization of a new mixed system, (SbI3)𝑥–(Ag2CrO4)1−𝑥 (0.1 ≤ 𝑥 ≤ 0.9), undertaken with a view to evaluate silver ion transport properties and identify those fast ion conducting compositions. Polycrystalline samples of various compositions were synthesized by rapid melt-quenching method. Powder X-ray diffraction (XRD) analysis in conjunction with differential scanning calorimetry (DSC) and electrical transport evaluation involving silver ionic transport number and temperaturedependent electrical complex impedance measurements were carried out in order to identify the different phases responsible for the conduction mechanism. Realization of a fast ionic conductivity value of 3.2 × 10-2 S cm-1 in the case of the composition, (SbI3)0.3–(Ag2CrO4)0.7, at room temperature due to silver ion transport has been discussed in terms of observed structural and thermal characteristics. A detailed analysis of conductivity spectra pertaining to the best conducting system, (SbI3)0.3–(Ag2CrO4)0.7, has also been presented.

    • Author Affiliations


      S Austin Suthanthiraraj1 S Sarojini2

      1. Department of Energy, University of Madras, Guindy Campus, Chennai 600 025, India
      2. PG and Research Department of Physics, Queen Mary’s College, Chennai 600 004, India
    • Dates

  • Bulletin of Materials Science | News

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      Posted on July 25, 2019

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