• Preparation, characterization and conductivity studies of Li3–2𝑥Al2–𝑥Sb𝑥(PO4)3

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    • Keywords


      NASICON; X-ray diffraction; infrared spectra; impedance.

    • Abstract


      New NASICON type materials of composition, Li3–2𝑥Al2–𝑥Sb𝑥(PO4)3 (𝑥 = 0.6 to 1.4), have been prepared and characterized by powder XRD and IR. D.C. conductivities were measured in the temperature range 300–573 K by a two-probe method. Impedance studies were carried out in the frequency region 102–106 Hz as a function of temperature (300–573 K). An Arrhenius behaviour is observed for all compositions by d.c. conductivity and the Cole–Cole plots obtained from impedance data do not show any spikes on the lower frequency side indicating negligible electrode effects. A maximum conductivity of 4.5 × 10-6 S cm-1 at 573 K was obtained for 𝑥 = 0.8 of the Li3–2𝑥Al2–𝑥Sb𝑥(PO4)3 system.

    • Author Affiliations


      N Anantharamulu1 G Prasad2 M Vithal1

      1. Department of Chemistry, Osmania University, Hyderabad 500 007, India
      2. Department of Physics, Osmania University, Hyderabad 500 007, India
    • Dates

  • Bulletin of Materials Science | News

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