Abstract
Ferroelectric solid solutions of 0.67BiFeO3–0.33BaTiO3 were prepared by a Pechini method followed by quenching process. The XRD results indicate that both the furnace-cooled and water-quenched samples are consist of rhombohedral and tetragonal phases. SEM images show that the quenching process does not change the microstructure of 0.67BiFeO3–0.33BaTiO3 solid solutions. The quenched sample exhibits well-defined P–E hysteresis loop with remnant polarization of 23 µC/cm2 at room temperature. The leakage mechanism of the furnace-cooled sample is Ohmic conduction mechanism, whereas the leakage mechanism of water-quenched sample is predominated by field-assisted ionic conduction at room-temperature and 50 °C and then changes to three different conduction mechanisms at 100 °C.
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This work was supported by the National Key Research and Development Program of China (2017YFA0403502) and Key Research Program of Frontier Sciences, CAS (QYZDB-SSW-SLH015).
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Qin, Y., Yang, J., Xiong, P. et al. The effects of quenching on electrical properties, and leakage behaviors of 0.67BiFeO3–0.33BaTiO3 solid solutions. J Mater Sci: Mater Electron 29, 7311–7317 (2018). https://doi.org/10.1007/s10854-018-8720-1
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DOI: https://doi.org/10.1007/s10854-018-8720-1