Author Affiliations
1State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, 710049 Xi’an, China2School of Physics, Xi’an Jiaotong University, 710049 Xi’an, Chinashow less
【AIGC One Sentence Reading】：This study successfully designed BNBT-KNN-xTa2O5, demonstrating that Ta2O5 doping effectively lowers the relaxor-ferroelectric phase transition temperature, enhancing the material's relaxation behavior.
【AIGC Short Abstract】：In this research, the introduction of Ta2O5 into BNBT-KNN ceramics was found to effectively reduce the relaxor-ferroelectric phase transition temperature. Through ferroelectric testing and dielectric spectroscopy, it was observed that the depoling temperature decreased with higher doping concentrations. This incorporation of Ta2O5 enhanced the relaxation behavior, further confirming the successful modulation of the phase transition temperature in these ceramics.
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Abstract
In this study, BNBT-KNN-xTa2O5 was designed and synthesized, successfully achieving a reduction in the relaxor-ferroelectric phase transition temperature. Synergy between temperature-dependent ferroelectric testing and dielectric spectroscopy confirmed that the depoling temperature gradually decreased with increasing doping concentration. Fitting of the relaxation parameter and freezing temperature substantiated that the incorporation of Ta2O5 increased the degree of relaxation in BNBT-KNN-xTa2O5, thereby effectively lowering the relaxor-ferroelectric phase transition temperature.
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