A ‘zigzag’ blueprint for topological electronics

Two-dimensional sheets of group-IV and group-V elements (2D Xenes) are topological insulators.

A collaborative study confirms a potential new switching mechanism for a proposed generation of ultra-low energy topological electronics. Based on novel, quantum nanoribbons terminating on ‘zigzag’ edges, such devices would switch from non-conducting to conducting state, whereby electrical current could flow along topological edge states without wasted dissipation of energy.

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The paper has been published in Applied Physics Reviews.

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