Domain structures in tetragonal Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals studied by piezoresponse force microscopy |
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| Authors: | H.F. Yu H.R. Zeng G.R. Li Q.R. Yin |
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| Affiliation: | a State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
b Graduate School of The Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | The domain structures in (001) surface of Pb(Mg1/3Nb2/3)O3-40% PbTiO3 single crystals were investigated by piezoresponse force microscopy. Both micron-sized fingerprint 180° and parallel 90° domains were observed in the sample. Different sets of favourable {110} oriented domain patterns were found to meet, intersect or grow through each other. In addition, the piezoelectricity decreases sharply at the domain walls in 180° structures, but does not in the 90° domain structures. |
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| Keywords: | 77.80.Dj 77.84.&minus s 07.79.&minus v 77.65.&minus j |
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