从Raman光散射原理出发,提出原位Raman谱观测畴变原理,探索建立铁电畴变的原位、无损和微区观测技术.通过对PLZT铁电陶瓷试样的90°原位旋转前、后Raman谱变化的观测,以及电场作用下PLZT铁电陶瓷试样畴变后Raman谱峰强变化的观测,证实可以利用Raman谱的变化来检测铁电陶瓷材料电畴的畴变.
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