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Jo, Wook
Sustainable Functional Ceramics Lab
Research Interests
  • Lead-free piezoceramics, ultra - low temperature sintering, ferroelectrics, relaxor ferroelectrics, 2D materials, magnetoelectric materials, multiferroics

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Structural origins of relaxor behavior in a 0.96(Bi1/2Na1/2)TiO3-0.04BaTiO(3) single crystal under electric field

Cited 22 times inthomson ciCited 19 times inthomson ci
Title
Structural origins of relaxor behavior in a 0.96(Bi1/2Na1/2)TiO3-0.04BaTiO(3) single crystal under electric field
Author
Daniels, John E.Jo, WookRoedel, JuergenRytz, DanielDonner, Wolfgang
Keywords
Diffuse scattering; Diffuse X-ray scattering; Field dependence; Nanometer length scale; Nanoscale structure; Relaxor behavior; Room temperature; Structural origin; TiO
Issue Date
2011-06
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v.98, no.25, pp. -
Abstract
Diffuse x-ray scattering intensities from a single crystal of 0.96(Bi1/2Na1/2TiO3)-0.04(BaTiO3) have been collected at room temperature with and without application of an electric field along the [100] direction. Distinct features in the diffuse scattering intensities indicate correlations on a nanometer length scale. It is shown that locally correlated planar-like structures and octahedral tilt-domains within the room temperature rhombohedral R3c phase are both electrically active and are irreversibly affected by application of an electric field of 4.3 kV/mm. The field dependence of these nanoscale structures is correlated with the relaxor behavior of the material by macroscopic permittivity measurements
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DOI
10.1063/1.3602316
ISSN
0003-6951
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MSE_Journal Papers
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