A molecular perovskite solid solution with piezoelectricity stronger than lead zirconate titanate

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Science  15 Mar 2019:
Vol. 363, Issue 6432, pp. 1206-1210
DOI: 10.1126/science.aav3057

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A flexible strategy for piezoelectrics

Piezoelectric materials produce charge when they are deformed, making them ideal for various types of sensors. However, virtually all piezoelectric materials are ceramics, which are far from ideal for applications requiring flexible sensors. Liao et al. now describe a molecular material with piezoelectric properties comparable to the industry-standard ceramic lead zirconate titanate. The exceptional properties come from finding a molecular solid-solution series that allows for compositional optimization of the piezoelectric properties.

Science, this issue p. 1206