Wednesday, 17 March 2021

Magnetism meets topology on a superconductor's surface

Scientists studying a compound belonging to the family of iron-based high-temperature superconductors have found that an energy band gap -- an energy range where no electrons are allowed -- opens at a point where two allowed energy bands intersect on the material's surface. This unusual electronic energy structure could be leveraged for quantum information science and electronics.

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Mind the band gap! -- researchers create new nanoscale forms of elementary semiconductor with tunable electronic properties

Researchers have demonstrated that by using a semiconductor with flexible bonds, the material can be moulded into various structures using n...