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Nanoscale ordering of atomic displacements is demonstrated as an effective parameter for enhancing piezoelectric susceptibility in lead‐free ferroelectrics by A. Pramanick and co‐workers on page 4330. The increased degree of ordering for atomic displacements under an electric field is revealed by synchrotron X‐ray diffuse scattering measurements (shown in the background). As a result of this ordering,...
In situ synchrotron X‐ray diffuse scattering and inelastic neutron scattering measurements from a prototype ABO3 ferroelectric single‐crystal are used to elucidate how electric fields along a nonpolar direction can enhance its piezoelectric properties. The central mechanism is found to be a nanoscale ordering of B atom displacements, which induces increased lattice instability and therefore a greater...
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