The effects of quenching on electrical properties, and leakage behaviors of 0.67BiFeO 3 –0.33BaTiO 3 solid solutions
作者： Yanfeng Qin , Jie Yang , Pan Xiong , Wenjuan Huang , Jiyue Song
DOI: 10.1007/S10854-018-8720-1
关键词: Tetragonal crystal system 、 Ferroelectricity 、 Ionic conductivity 、 Materials science 、 Microstructure 、 Analytical chemistry 、 Leakage (electronics) 、 Quenching 、 Solid solution 、 Thermal conduction
摘要: Ferroelectric solid solutions of 0.67BiFeO3–0.33BaTiO3 were prepared by a Pechini method followed quenching process. The XRD results indicate that both the furnace-cooled and water-quenched samples are consist rhombohedral tetragonal phases. SEM images show process does not change microstructure solutions. quenched sample exhibits well-defined P–E hysteresis loop with remnant polarization 23 µC/cm2 at room temperature. leakage mechanism is Ohmic conduction mechanism, whereas predominated field-assisted ionic room-temperature 50 °C then changes to three different mechanisms 100 °C.
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