High temperature dc field poling effects on the structural phase transformations of (1−x)Pb(Mg1∕3Nb2∕3)O3–xPbTiO3 single crystal with morphotropic phase boundary composition
Author(s) -
Ghulam Shabbir,
Seiji Kojima,
Chude Feng
Publication year - 2006
Publication title -
journal of applied physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.699
H-Index - 319
eISSN - 1089-7550
pISSN - 0021-8979
DOI - 10.1063/1.2337103
Subject(s) - poling , phase boundary , tetragonal crystal system , materials science , dielectric , condensed matter physics , phase transition , permittivity , polarization (electrochemistry) , phase (matter) , ferroelectricity , crystallography , crystal structure , chemistry , optoelectronics , physics , organic chemistry
The complex dielectric permittivity of the morphotropic phase boundary [001]-oriented PMN–x%PT single crystal with x=33%, grown by the modified Bridgman technique, has been investigated as a function of both temperature and dc poling field. Structural phase transformation sequence is discussed in the light of polarization rotation process. A remarkable shift in the rhombohedral-tetragonal phase transition temperature is observed with changing of the poling field. It is found that high temperature poled state remained stable even after removal of the field
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