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April 3, 2026Hacettepe Journal of Biology and ChemistryOpen Access

Synthesis and Crystal Structure Analysis of Tetragonal Phase Bismuth Oxide-Based Solid Electrolytes with Double Doping Method

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Authors

PSPelin SönmezSYSerdar Yılmaz

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Overview

Investigates the effects of Yb₂O₃ and Er₂O₃ doping on bismuth oxide properties in solid oxide fuel cells, implying enhanced performance.

Key Points

  • To examine how double doping with Yb₂O₃ and Er₂O₃ affects the structural and electrical properties of bismuth oxide for solid oxide fuel cells.
  • Used solid-state reaction method for doping Bi₂O₃ with Yb₂O₃ and Er₂O₃.
  • Conducted X-ray diffraction (XRD) for structural characterization.
  • Measured electrical conductivity with a four-point probe method from 300 to 810 °C.
  • Systematically studied the effects of dopant concentration on the material properties.
  • Successfully stabilized the β-phase tetragonal Bi₂O₃.
  • Yb-doping enhanced ionic conductivity especially at high temperatures.
  • SEM analysis showed the importance of grain size and porosity on conductivity.

Cite This Study

Sönmez et al. (2026) studied this question.

synapsesocial.com/papers/69cf5e865a333a821460cf9ahttps://doi.org/10.15671/hjbc.1745781
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