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(1 − x)BiFeO3-0.3BaTiO3-xNd(Li0.5Nb0.5)O3 陶瓷的大电致应变可归因于极性纳米微区的存在，这些微区在多种局部对称性下沿外加电场方向发生畸变。
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Wang et al. (Tue,) 研究了这一问题。