实验研究表明，铁电陶瓷的高频介电弛豫主要是由材料内部的畴壁共振引起的。
The results indicate that high frequency dielectric relaxation of the ferroelectric ceramics is caused by piezoelectric resonance of domains.
它不但可以阻止畴壁的移动，还可以形成于外场方向相反的畴核，并且畴核在外场作用下不断扩张，直至电畴翻转。
The nucleation domains that are opposite to the direction of the applied electric field, and their formations are ascribed to the grain boundaries which also impede domain-wall movement.
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