Monoclinic M-C phase in (001) field cooled BaTiO3 single crystals
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TR Number
Date
2009-01-01
Journal Title
Journal ISSN
Volume Title
Publisher
AIP Publishing
Abstract
We report here the finding of a new phase in BaTiO3 single crystals. High precision x-ray diffraction investigations of (001) field cooled crystals have shown the presence of a monoclinic M-C phase for temperatures below 300 K. This M-C phase is shown to be stable upon removal of the electric field. The results demonstrate the presence of structurally bridging low symmetry phases that lie between tetragonal and rhombohedral ones in this classic perovskite system: indicating a means to achieve high piezoelectricity in Pb-free systems via domain engineering.
Description
Keywords
Barium compounds, Crystal structures, Ferroelectric materials, Piezoelectric materials, Piezoelectricity, X-ray diffraction, Polarization rotation, 1st principles, Behavior, Piezoelectricity, Physics
Citation
Cao, Hu; Devreugd, Christopher P.; Ge, Wenwei; et al., "Monoclinic M-C phase in (001) field cooled BaTiO3 single crystals," Appl. Phys. Lett. 94, 032901 (2009); http://dx.doi.org/10.1063/1.3073716