Model for Coupled Electro-Mechanical Behavior of Ferroelectric Crystal
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Abstract:
Ferroelectrics are important materials applied in smart structure and system. A model is developed to simulate the electro-mechanical behavior of ferroelectric crystal. An analogy is drawn between the slip system of dislocation in metals and domain wall movement in ferroelectrics. It's assumed that switching is resisted by the dissipation motion of domain walls. Simulation results show typical nonlinear electro-mechanical behavior of ferroelectric crystal.
