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. 2020 Aug 26;20(17):4830. doi: 10.3390/s20174830

Figure 11.

Figure 11

Reaction of a piezoelectric component to applied force or voltage [16]: poling direction (a), compression applied to the material in the poling direction generates voltage of the same polarity as the poling voltage (b); tension applied to the material in the poling direction generates voltage of the opposite polarity to the poling voltage (c); voltage of the same polarity as the poling voltage causes the material extension in the direction of the poling voltage (d); voltage of the opposite polarity as the poling voltage causes the material contraction in the direction of the poling voltage (e).