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Piezoelectrically-induced switching of 90° domains in tetragonal BaTiO3 and PbTiO3 investigated by micro-Raman spectroscopy (1992)

Li, Z. ; Foster, C. M. ; Dai, X.-H. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 71 (1992), S. 4481-4486

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Domain switching of 90° ferroelectric domains in tetragonal BaTiO3 and PbTiO3 is induced by the application of stress along specific crystallographic axes. For BaTiO3, single-domain crystals are obtained from twinned specimens by the application of ∼1.1 MPa of stress parallel to the a axis and twin boundaries are induced by application of ∼0.22 MPa of stress parallel to the c axis. Similar piezoelectrically-induced domain switching was observed in PbTiO3 at elevated temperature. We observed the rotation of the crystallographic axes associated with domain switching via micro-Raman spectroscopy. These results were consistent with optical microscope images of the domain switching which demonstrates the usefulness of micro-Raman spectroscopy for the study of ferroelectric domain structures. A phenomenological treatment of domain switching in a piezoelectrically-coupled system is described.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.350792

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