The major phase constituent obviously transforms from cubic paraelectric phase to tetragonal ferroelectric phase after sintering, in which the ferroelectric domains exist.
烧结前后陶瓷相结构明显改变，由原来的立方顺电相为主转变为四方铁电相为主，并存在铁电畴亚结构；
The major phase constituent obviously transforms from cubic paraelectric phase to tetragonal ferroelectric phase after sintering, in which the ferroelectric domains exist.
烧结前后陶瓷相结构明显改变，由原来的立方顺电相为主转变为四方铁电相为主，并存在铁电畴亚结构；
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