two surfaces of topological insulators magnetized (IMAGE)

ARC Centre of Excellence in Future Low-Energy Electronics Technologies

two surfaces of topological insulators magnetized

Caption

When the two surfaces of topological insulators are magnetized parallel to each other, an energy gap opens on the surfaces to make them insulating, but the edges support resistanceless conducting states which can work like an electron highway.

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Reproduced from the paper with permission from Advanced Materials (DOI 10.1002/adma.202007795).Copyright Wiley-VCH GmbH.

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