This interfacial superconductor has novel properties that raise new fundamental questions and might be useful for quantum information processing or quantum sensing. Department of Energy’s Argonne National Laboratory have discovered a new way to generate 2D superconductivity at a material interface at a relatively high - though still cold - transition temperature.
All superconducting materials at regular pressures become superconducting at temperatures far below the coldest day outside. One of the foundational questions with superconducting materials involves the transition temperature - the extremely cold temperature at which a material becomes superconducting. The vast majority of superconducting materials and devices are 3D, giving them properties that are well understood by scientists. Like semiconductors, superconducting materials have many important implications for technology, from magnets for MRIs to speeding up electrical connections or perhaps making possible quantum technology. More broadly, the interface between any two materials can have unique properties that are dramatically different from those found within either material separately, setting the stage for new discoveries. For example, transistors found in all our electronic devices work by controlling the electrons at interfaces of semiconductors.
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