NICOLLE R. FULLER / SCIENCE PHOTO LIBRARY NICOLLE R. FULLER / SCIENCE PHOTO LIBRARY
Superconductor lattice electrons, illustration. Superconductivity is where the structure of a material allows unimpeded flow of electrons, usually only at low temperatures. Research in 2014 into high-temperature copper-oxide superconductors found that electron pockets (red) extend between two layers of the copper oxide crystal lattice. Contrary to prevailing theories which predict electron pockets will be located at the areas of strongest superconductivity (yellow and magenta areas), the researchers discovered an undulating twisted geometry (red) in the areas of lowest superconductivity located at the corners of each crystal unit.
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