Physicists have induced superconductivity in a monolayer of tungsten disulfide. By using an increasing electric field, they were able to show how the material turns from an insulator into a superconductor and then back into a 're-entrant' insulator again. Their results show the typical 'dome-shaped' superconducting phase, and finally provide an explanation for this phenomenon.
from Latest Science News -- ScienceDaily http://ift.tt/2pqk80U
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