• Synthesis and characterization of 𝛽 type solid solution in the binary system of Bi2O3–Eu2O3

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      https://www.ias.ac.in/article/fulltext/boms/025/07/0583-0588

    • Keywords

       

      Bismuth trioxide polymorphs; solid solution; Bi2O3–Eu2O3 binary system.

    • Abstract

       

      We have investigated Bi2O3–Eu2O3 binary system by doping with Eu2O3 in the composition range from 1 to 10 mole% via solid state reactions and succeeded to stabilize 𝛽-Bi2O3 phase which is metastable when pure. Stability of 𝛽-Bi2O3 polymorph was influenced by heat treatment temperature. Tetragonal type solid solution was obtained in 3–6 mole% addition range when annealed at 750°C and the range was 2–7 mole% when annealed at 800°C. We have also carried out investigations on lattice parameters, microstructural properties and elemental compositions of this 𝛽 type solid solution for each doping ratio. Lattice parameters increased with amount of Eu2O3 addition. Our experimental observations strongly suggested that oxygen deficiency type non-stoichiometry is present in doped 𝛽 type solid solutions.

    • Author Affiliations

       

      O Turkoglu1 M Soylak1 I Belenli2

      1. Department of Chemistry, Faculty of Art and Science, Erciyes University, 38039 Kayseri, Turkey
      2. Department of Physics, Faculty of Art and Science, Erciyes University, 38039 Kayseri, Turkey
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