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Triple Hysteresis Loops of PLZST Ceramics Related to Coexistence of Ferroelectricity and Antiferroelectricity
Author(s) -
Bai Yang,
Zeng Tao,
Liu Zhen,
Chen Xuefeng,
Dong Xianlin,
Wang Genshui,
Cao Jianwu
Publication year - 2016
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.14231
Subject(s) - antiferroelectricity , ferroelectricity , hysteresis , tetragonal crystal system , materials science , phase transition , dielectric , phase (matter) , condensed matter physics , crystallography , chemistry , crystal structure , optoelectronics , physics , organic chemistry
The hysteresis behaviors and phase characteristics of Pb 0.97 La 0.02 (Zr 0.90 Sn 0.025 Ti 0.075 )O 3 ( PLZST ) ceramics were investigated in this work. A single mini hysteresis loop at 3 kV/mm with the maximum polarization ( P max ) of 8.3 μC/cm 2 and triple hysteresis loops at 6.6 kV/mm were observed, which indicates the coexistence of rhombohedral ferroelectric phase and tetragonal antiferroelectric phase. The X‐ray Diffraction patterns and dielectric temperature spectra both demonstrate this coexistence. Moreover, the hysteresis loops with increasing temperature indicated that a ferroelectric–antiferroelectric phase transition occurred at about 60°C. These phenomena would be useful for understanding the domain evolution during ferroelectric and antiferroelectric phase transition.