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Title: Effect of electric field and temperature on average structure and domain wall motion in 0.93Bi(0.5)Na(0.5)TiO(3)-0.07BaTiO(3) ceramic
Authors: Wang, J
Liu, Y
Studer, AJ
Noren, L
Withers, RL
Keywords: Electric fields
Temperature dependence
Dielectric materials
Neutron diffraction
Phase transformations
Issue Date: 24-Jun-2013
Publisher: Hindawi Publishing Corporation
Citation: Wang, J., Liu, Y., Studer, A., Noren, L., & Withers, R. (2013). Effect of Electric Field and Temperature on Average Structure and Domain Wall Motion in 0.93Bi(0.5)Na(0.5)TiO(3)-0.07BaTiO(3) Ceramic. Advances in Condensed Matter Physics. Vol 2013, Article ID 830971, 4 pages
Abstract: In situ neutron powder diffraction patterns and dielectric spectra of 0.93Bi0.5Na0.5TiO3-0.07BaTiO3 ceramic were investigated under different electrical fields and temperatures. An electric-field-induced phase transition from metrically cubic to metrically tetragonal, associated with strong domain wall motion, occurs. Such induced phase and domain wall motion are unchanged until the high-temperature phase transition occurs from metrically tetragonal to metrically cubic. All these changes are irrelevant to the observed depolarization temperature (75°C). The depolarization behaviour is thus suggested to be associated with the local structure caused by the octahedral tilt twinning disorder. © 2013, Jian Wang et al.
Gov't Doc #: 6224
ISSN: 1687-8108
Appears in Collections:Journal Articles

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