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Nano-Structure around 90° Domain Wall and Elastic Interaction with Misfit Dislocation in PbTiO3 Thin Film
Abstract:
We have elucidated the elastic interaction between the 90° domains and misfit dislocations in PbTiO3/SrTiO3 (001) epitaxial thin films by the local strain mapping based on high-resolution transmission electron microscopy. The novel mechanism of the nucleation and growth of 90 ̊ domain has been proposed based on the results, including the introduction of the additional dislocation perpendicular to the misfit dislocation and the dissociation of these dislocations into two pairs of partial dislocations with an anti-phase boundary.
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Pages:
167-170
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Online since:
July 2013
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