Journal
APPLIED PHYSICS LETTERS
Volume 90, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2732178
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Electric-field-induced lattice strains in a tetragonal ferroelectric lead zirconate titanate bulk ceramic are characterized under application of subcoercive cyclic electric fields using neutron diffraction and a stroboscopic data collection technique. At a driving electric field equal to half of the coercive field, the field-induced lattice strains are found to be a function of orientation with the greatest electric-field-induced strain coefficient of 680 pm/V in crystal orientations such that the 211 pole is parallel to the electric field. A time dependence of the 111 strain was also observed. Suggestions as to the nature of these dependences are discussed. (c) 2007 American Institute of Physics.
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