Cryogenically self-healing organic crystals

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Nature Materials

Nature Materials, Published online: 05 December 2025; doi:10.1038/s41563-025-02411-7

Cryogenic conditions limit molecular diffusion, inhibiting self-healing in most molecular systems. Here the authors present an organic molecular crystal capable of autonomous recovery at 77 K due to strong dipole–dipole interactions between aligned molecular layers.