Pramana

, Volume 38, Issue 2, pp 161–166 | Cite as

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

  • K S Singh
  • R Sati
  • R N P Choudhary
Research Articles

Abstract

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.

Keywords

Ferroelectrics tetragonal phase dielectric constant 

PACS Nos

77·00 77·80 

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References

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Copyright information

© Indian Academy of Sciences 1992

Authors and Affiliations

  • K S Singh
    • 1
  • R Sati
    • 1
  • R N P Choudhary
    • 1
    • 2
  1. 1.PG Department of PhysicsBhagalpur UniversityBhagalpurIndia
  2. 2.Department of PhysicsIndian Institute of TechnologyKharagpurIndia

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