Abstract—
The BaLaIn0.9Zn0.1O3.95 phase with a Ruddlesden–Popper block layer structure (space group Pbca) was obtained for the first time and certified by X-ray diffraction. In a dry air atmosphere (pO2 = 0.21 atm, pH2O = 3.5 × 10−5 atm), the compound predominantly exhibited the oxygen ion type of conductivity. The acceptor doping of the BaLaInO4 cation sublattice with Zn2+ ions was found to induce an increase in the electrical conductivity due to the formation of oxygen vacancies in the structure. With increasing ionic radius of the dopant, the oxygen ion conductivity increased because of increasing free volume of the crystal lattice.
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This study was supported by the Ministry of Education and Science of the Russian Federation (State Assignment no. AAAA-A20-120061990010-7).
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Tarasova, N.A., Animitsa, I.E., Galisheva, A.O. et al. Structure and Electrical Properties of a New Zn-Substituted Oxygen Ion Conductor Based on BaLaInO4 . Russ. J. Inorg. Chem. 66, 108–112 (2021). https://doi.org/10.1134/S0036023621010095
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DOI: https://doi.org/10.1134/S0036023621010095