这些实验结果证明，该晶体存在低温铁电-铁电相变。
These experimental results evidence a low temperature ferroelectric -ferroelectric phase transition in these crystals.
介电和热电测量结果证实了SCNN晶体存在低温铁电-铁电相变，其相变温度在85k以上。
Dielectric and pyroelectric measurements reveal that SCNN crystal has a low temperature ferroelectric-ferroelectric phase transition and the temperature range of the transition is above 85k.
研究了铁电微晶粉粒的热刺激电流及其铁电相变。
The thermally stimulated currents (TSC) and the ferroelectric phase transition of the ferroelectric ultrafine grain were investigated.
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