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Published on: March 24, 2019
Domain structure and phase symmetry of multiferroic BiFeO3-PbTiO3 single crystals studied by piezoresponse force
Wei-Min Zhu1, Hai-Yan Guo, Zuo-Guang Ye
1Department of Chemistry and 4D LABS, Simon Fraser University, Burnaby, BC, V5A1S6 Canada.
Abstract:
Piezoresponse force microscopy (PFM) was used to investigate the domain structure of multiferroic BiFeO3-PbTiO3 single crystals with morphotropic phase boundary (MPB) compositions. The PFM data demonstrate the piezoelectricity and the PFM domain responses under the designed experimental setup reveal the coexistence of a rhombohedral, a tetragonal, and an orthorhombic phases in the MPB crystals, which is consistent with the results of structural refinements based on X-ray diffraction data.
