Symmetry-adaptive ferroelectric mesostates in oriented Pb(BI1/3BII2/3)O-3-PbTiO3 crystals

Authors
Viehland, D
Citation
D. Viehland, Symmetry-adaptive ferroelectric mesostates in oriented Pb(BI1/3BII2/3)O-3-PbTiO3 crystals, J APPL PHYS, 88(8), 2000, pp. 4794-4806
Citations number
51
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF APPLIED PHYSICS
ISSN journal
00218979 → ACNP
Volume
88
Issue
8
Year of publication
2000
Pages
4794 - 4806
Database
ISI
SICI code
0021-8979(20001015)88:8<4794:SFMIOP>2.0.ZU;2-N
Abstract
An intermediate orthorhombic ferroelectric phase has been found in oriented crystals of (0.92)Pb(Zn1/3Nb2/3)O-3-0.08PbTiO(3) (PZN-PT 92/8). Investigat ions have been performed by electrically induced polarization and strain me thods, and reciprocal phase space mapping. The lattice parameters of this i ntermediate ferroelectric state have been shown to be equal to those predic ted by the adaptive martensite theory. A hierarchy of symmetries is believe d to exist on the mesoscale which are due to symmetry reductions by domain averaging. (C) 2000 American Institute of Physics. [S0021-8979(00)07219-4].