Electrical Characteristics of Bismuth-Containing Cerium Oxide

The ceramics Ce 0.9 Bi 0.1 O 2–δ was obtained by solid-phase synthesis. It is shown that the obtained samples possess a cubic fluorite structure with the space symmetry group Fm 3 m . The electrical properties of the solid solution Ce 0.9 Bi 0.1 O 2–δ solid solution were investigated by means of ac...

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Bibliographic Details
Published in:Glass and ceramics 2023-07, Vol.80 (3-4), p.100-104
Main Authors: Sudzhanskaya, I. V., Sotnikova, V. S.
Format: Article
Language:English
Subjects:
Activation energy
Bismuth
Ceramic materials
Ceramics
Cerium
Cerium oxides
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Dielectric relaxation
Electric properties
Electrical properties
Electrolytes
Fluorite
Fuel cell industry
Fuel cells
Glass
Materials Science
Natural Materials
Sensors
Solid phase synthesis
Solid solutions
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Summary:The ceramics Ce 0.9 Bi 0.1 O 2–δ was obtained by solid-phase synthesis. It is shown that the obtained samples possess a cubic fluorite structure with the space symmetry group Fm 3 m . The electrical properties of the solid solution Ce 0.9 Bi 0.1 O 2–δ solid solution were investigated by means of ac impedance spectrometry. The activation energy of electric conduction falls into two regions – 0.51 eV (400 – 680°C) and 1.6 eV (680 – 800°C); dielectric relaxation is activated at 0.88 eV.
ISSN:0361-7610
1573-8515
DOI:10.1007/s10717-023-00565-x