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Condensed matter

Condensed matter

Excitonic insulators are created in moiré superlattices

10 Aug 2022
Layered material
Layered approach: both teams created excitonic insulators by twisting the relative orientations of thin sheets in layered materials. (Courtesy: Shutterstock/Mopic)
Excitonic insulators – an exotic type of matter with a ground state comprising bound electron–ho

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Tim Wogan is a science writer based in the US
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