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The halide perovskites

Microcrystals formed through self-healing repaired a completely destroyed area within a halide perovskite crystal. Courtesy of the Weizmann Institute.

Solar materials capable of repairing themselves

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Halide perovskites before (top) and after (bottom) annealing. Etching with acetone revealed the existence of structural units called "polar domains", which are characteristic of a ferroelectric material. Scale: 20 microns. Source: Weizmann Institute magazine.

There is something new under the sun

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