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Super-elastic ferroelectric single-crystal membrane with continuous electric dipole rotation

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Science  25 Oct 2019:
Vol. 366, Issue 6464, pp. 475-479
DOI: 10.1126/science.aay7221

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Flexible ferroelectrics

High-quality ferroelectric materials, which polarize in response to an electric field, are usually oxides that crack when bent. Dong et al. found that high-quality membranes of barium titanate are surprisingly flexible and super-elastic. These films accommodate large strains through dynamic evolution of nanodomains during deformation. This discovery is important for developing more robust flexible devices.

Science, this issue p. 475

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