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Lighting up the new order

Irradiating a PbTiO3/SrTiO3 superlattice with ultrafast UV light pulses modifies elastic and electrostatic interactions, resulting in the formation of a stable complex 3D supercrystal.

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Fig. 1: Periodic superstructures balancing conflicting demands in different situations.


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Correspondence to J. M. Gregg.

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Gregg, J.M. Lighting up the new order. Nat. Mater. 18, 304–306 (2019).

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