Fig. 4: Outstanding linearity and sensitivity. | npj Flexible Electronics

Fig. 4: Outstanding linearity and sensitivity.

From: Ultra-sensitive, highly linear, and hysteresis-free strain sensors enabled by gradient stiffness sliding strategy

Fig. 4

a Influence of nonlinearity on the accuracy of strain sensor test results with pre-strain. b The change of capacitance under four step-by-step stretching (10%, 20%, 30%, 40%) and three stretching cycles with an increment of 5%, respectively. c The small strain caused by gentle breathing can cause a significant change in the capacitance of the sensor. d The capacitance of the sensor at 20% and 40% strain and their enlarged diagrams.

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