Rationale and methods


    Extreme-property piezoelectric composites are made via use of partly constrained negative modulus inclusions in the vicinity of a phase transformation. Doped ceramics allow tuning the transition temperature.

    Lumped elements make use of partially constrained snap through buckling of an elastic column.

    Measurements of stress induced polarization are done with a charge amplifier. Measurements of field induced deformation are done with a fiber optic probe.

    Consequences of non-equilibrium processes are explored.