• Optical, etching, and interferometric studies on ferroelectric PbNb2O6

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    • Keywords


      Domain; dislocation; thermal etch pits

    • Abstract


      Optical, interferometric and etching studies of (001) surfaces of ferroelectric PbNb2O6 are presented. It is found that crystal growth takes place mainly by layer formation. The layer boundaries can be distinguished from the domain lines by interferometric studies. Thermal etch pits are found near 90° domain walls and the layer boundaries. The etching studies show that these pits are at the sites of dislocations, and it is deduced that no extensive motion of dislocation takes place at the Curie-temperature in the process of domain formation.

    • Author Affiliations


      S G Ingle1 B M Bangre1

      1. Department of Physics, Laxminarayan Institute of Technology, Nagpur University, Nagpur - 440 001
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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