在相变温度范围，发现热释电响应随时间改变极性，表明晶体中两相共存。
At the phase transition temperature region, the pyroelectric response changes its polarity with time, indicating the two phases coexistence.
在相变温度范围，发现热释电响应随时间改变极性，表明晶体中两相共存。
At the phase transition temperature region, the pyroelectric response changes its polarity with time, indicating the two phases coexistence.
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