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Atomic bands in two transition metal dichalcogenides hint at long-theorized quantum state
- May 13, 2026 at 10:40 AM
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Insulators are materials in which electrons cannot move freely. Past theoretical studies predicted the existence of an unusual insulating state dubbed obstructed atomic insulator (OAI), in which electrons are localized inside a crystal, while their centers of charge lie in empty spaces between atoms, rather than on the atoms themselves.
Originally published at Phys.org