Hierarchical Domain Structure of Adaptive MB Phase in Pb(Mg1/3Nb2/3)O3–32%PbTiO3 Single Crystal期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Hierarchical Domain Structure of Adaptive M_B Phase in Pb(Mg_1/3Nb_2/3)O₃–32%PbTiO₃ Single Crystal

Authors:	Hui Wang Jing Zhu Xiao Wen Zhang Yan Xue Tang Hao Su Luo

Affiliation:	Beijing National Center for Electron Microscopy and Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China; State Key Lab of New Ceramics and Fine Processing, Department of Materials, Science and Engineering, Tsinghua University, Beijing 100084, China; The State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201800, China

Abstract:	The domain structure in Pb(Mg_1/3Nb_2/3)O₃–32%PbTiO₃ single crystal has been investigated with analytical electron microscopy. It is revealed that the M_B phase is an adaptive phase composed of 71° rhombohedral nanodomains and that the nanodomain walls are parallel to {110} planes by a combination of convergent beam electron diffraction and through-focus high-resolution image series. The findings suggest and are supportive of the viewpoint that the M_A phase could also be an adaptive phase composed of 109° rhombohedral nanodomains with domain walls parallel to {001} planes.

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