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Ferroelastic domains

Springy expansion

The controllable and reversible growth of ferroelastic domains in a ferroelectric thin film with composition and strain gradients may enable new devices.

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Figure 1: Schematic representation of the spring-like expansion of needle-shaped ferroelastic domains (dark blue) under a force microscopy tip in a compositionally graded ferroelectric film.


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Correspondence to Kathrin Dörr.

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Dörr, K. Springy expansion. Nature Mater 15, 497–498 (2016).

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