• K S Singh

      Articles written in Pramana – Journal of Physics

    • Synthesis and dielectric properties of Ba3NaRNb10O30 [R = La and Sm]

      K S Singh R Sati R N P Choudhary

      More Details Abstract Fulltext PDF

      Polycrystalline samples of Ba3NaRNb10O30 (R = La and Sm) have been prepared by high temperature solid-state reaction method. The X-ray powder diffraction technique has been used to test the formation of the compounds. Lattice parameters, space groups and basic structures of the compounds have been obtained from X-ray data. The dielectric constant has been measured as a function of frequency (100 Hz–10 kHz) and temperature (−180 to 200°C) to understand transition mechanism in these ferroelectric compounds.

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