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(Color online) The geometry of the strain modulation of the Ta2O5 film by the converse piezoelectric effect. The arrow in the PMN-PT layer represents the poling direction.
The mechanical strain of the piezoelectric layer as a function of the applied voltage.
(Color online) The strain-modulation of electrical current-voltage (I-V) for the Ta2O5 film. The inset shows the relative change in the resistance () of the Ta2O5 film as a function of the electric voltage applied to the PMN-PT layer.
(Color online) Capacitance versus voltage (C-V) curves of the Ta2O5 film as a function of the electric voltage applied to the PMN-PT layer.
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