Abstract
The relations between the electrical characteristics of BaSn1−x Sb x O3 perovskite system and the contents of BaO, Sb2O3 and silicate sintering agent were studied by X-ray diffraction analysis and Mössbauer spectroscopy. It was found that the electrical conductivity is related to the substitution of Sb3+ for Sn4+, the content of sintering agent and the phase constitutents in samples. BaSnO3, Ba3Sn2O7, Ba2SnO4 and SnO2 phases might appear in different fractions when the contents of BaO change from 0.5 mole to 3.5 mole. In low antimony percentage condition, pentavalent Sb3+ ions inserted in Sn4+ sites and formed the donor center. In high antimony percentage (x≥0.20) condition, the existence of an insulating phase (BaSb2O6) was confirmed.
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Zheng, Y., Yu, Z., Liang, Z.N. et al. 119Sn and121Sb Mössbauer studies of BaSn1−x Sb x O3 Perovskite system. Hyperfine Interact 68, 169–172 (1992). https://doi.org/10.1007/BF02396463
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DOI: https://doi.org/10.1007/BF02396463