Harnessing snap-through instability in soft dielectrics to achieve giant voltage-triggered deformation

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Stretchable, Transparent, Ionic Conductors (2013, background): “For example, for some applications stretchable conductors must operate at high frequencies and high voltages ( 7 ), remain conductive under repeated expansion in area beyond 1000% ( 19 ), be biocompatible ( 5 ), and be transparent ( 9-15 ).”
Giant voltage-induced deformation in dielectric elastomers near the verge of snap-through instability (2013, methodology): “While our previous paper (Keplinger et al., 2012) has described the principle of operation and the experimental demonstration, the present paper reports theoretical analysis and further experimental observations.”
Buckling-induced smart applications: recent advances and trends (2015, background): “Research studies [89, 164, 205] have shown that DEs are capable of having large voltage-induced snapthrough instabilities (figure 12(a)), and their potential has been demonstrated for different purposes, such as actuators [91, 147, 165, 206], energy harvesters [55, 148, 153], soft generators [154], ”
Mechanical metamaterials associated with stiffness, rigidity and compressibility: a brief review (2017, background): “This therefore allows us to achieve a snap through [52,230] of stress, similar to the switching behaviour in chiral and phononic properties [18], as the strain e increased during compression (Fig.”