Researchers have found that crystals of a recently discovered superconducting material, a layered bismuth chalcogenide with a four-fold symmetric structure, shows only two-fold symmetry in its superconductivity. The origin of superconductivity in these structures is not yet well understood; this finding suggests a connection with an enigmatic class of materials known as nematic superconductors and the extraordinary mechanisms by which superconductivity can emerge at easier-to-reach temperatures.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/04/190414111437.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/04/190414111437.htm
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