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Chemistry & materials · 6 open problems

Open problems in materials

Materials questions such as superconductors, solid-state electrolytes and permanent magnets, approached with reproducible modelling and careful reviews of the evidence.

Level B · Reproducible

Predicting and discovering fast lithium solid electrolytes

Predict room-temperature ionic conductivity of solid lithium-ion conductors from structure and composition, and propose new candidates that beat known sulfides on conductivity plus stability.

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Level B · Reproducible

Rare-earth-free permanent magnets ("gap magnets")

Identify rare-earth-free compounds with enough magnetization, magnetocrystalline anisotropy and Curie temperature to fill the performance gap between ferrites and Nd-Fe-B magnets.

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