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|Title:||Electric-field-induced strain mechanisms in lead-free 94%(Bi1/2Na1/2)TiO3–6%BaTiO3.|
|Publisher:||American Institute of Physics|
|Citation:||Simons, H., Daniels, J., Jo, W., Dittmer, R., Studer, A., Avdeev, M., Rodel, J., & Hoffman, M. (2011). Electric-field-induced strain mechanisms in lead-free 94%(Bi1/2Na1/2)TiO3–6%BaTiO3. Applied Physics Letters, 98(8), 082901. doi:10.1063/1.3557049|
|Abstract:||High resolution neutron diffraction has been used to investigate the structural origin of the large electric-field-induced remanent strain in 94(Bi1/2Na1/2)TiO3–6BaTiO3 ceramics. The virgin material was found to be a mixture of near-cubic phases with slight tetragonal and rhombohedral distortions of a0a0c+ and a−a−a− octahedral tilt type, respectively. Application of an electric field of 4.57 kV/mm transformed the sample to a predominantly rhombohedral a−a−a− modification with a significantly higher degree of structural distortion and a pronounced preferred orientation of the c-axis along the field direction. These electric field-induced structural effects contribute significantly to the macroscopic strain and polarization of this system. © 2011, American Institute of Physics|
|Gov't Doc #:||3319|
|Appears in Collections:||Journal Articles|
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