In-situ observation of domain wall motion in Pb(In1/2Nb 1/2)O3-Pb(Mg1/3Nb2/3)O 3-PbTiO3 crystals

Dabin Lin, Zhenrong Li, Fei Li, Shujun Zhang, Changlong Cai, Yaojin Cheng, Zhuo Xu

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Abstract

Various domain structures, including wave-like domains, mixed needle-like and laminar domains, typical embedded 90° and 180° domains, have been observed in unpoled rhombohedral, monoclinic, and tetragonal Pb(In 1/2Nb1/2)O3-Pb(Mg1/3Nb 2/3)O3-PbTiO3 (PIN-PMN-PT) crystals by polarizing light microscope; while in poled tetragonal crystals, the parallel 180° domains were reversed and only vertical 90° domain walls were observed. For 0.24PIN-0.42PMN-0.34PT crystals with morphotropic phase boundary composition, the domain wall motion was in-situ observed as a function of applied electric field along crystallographic [100] direction. With increasing the electric field from 0 to 12 kV/cm, the rhombohedral (R) domains were found to change to monoclinic (M) domains and then to tetragonal (T) domains. The electric field-induced phase transition was also confirmed by X-ray diffraction and the temperature-dependent dielectric behavior.

Original languageEnglish (US)
Article number034105
JournalJournal of Applied Physics
Volume116
Issue number3
DOIs
StatePublished - Jul 21 2014

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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