Department of Electrical and Electronic Engineering, Gifu University, Gifu, Japan.
IEEE Trans Ultrason Ferroelectr Freq Control. 2012 Sep;59(9):1919-24. doi: 10.1109/TUFFC.2012.2407.
The domain structures of poled and depoled lead-based relaxor ferroelectric solid-solution single-crystal 24Pb(In(1/2)Nb(1/2))O(3)-46Pb (Mg(1/3)Nb(2/3))O(3)-30PbTio(3) are studied by polarized light microscopy, piezoresponse force microscopy (PFM), scanning electron microscopy (SEM), and dielectric spectroscopy. The domain structures in the nonergodic relaxor state are found by PFM to consist of tweed structures resulting from random fields from the competition between ferroelectric and antiferroelectric distortion, and planar defects found by SEM are treated as dislocations associated with strain accommodation, resulting in superior piezoelectric properties. This domain structure is found to be connected with hierarchical domain structures.
通过偏光显微镜、压电力显微镜（PFM）、扫描电子显微镜（SEM）和介电谱研究了极化和去极化的基于铅的弛豫铁电固溶单晶 24Pb(In(1/2)Nb(1/2))O(3)-46Pb (Mg(1/3)Nb(2/3))O(3)-30PbTio(3)的畴结构。通过 PFM 发现非遍历弛豫态中的畴结构由铁电和反铁电变形竞争产生的随机场引起的 tweed 结构组成，SEM 发现的面缺陷被视为与应变适应相关的位错，从而产生优异的压电性能。这种畴结构与分级畴结构有关。
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