Iron-pnictide electron orbital pairing promises higher-temperature superconductors

(PhysOrg.com) -- The quest to develop a so-called room-temperature superconductor – one that exhibits lossless electronic transmission – has long fueled both popular and scientific imagination. At the same time, however, ongoing efforts to raise the still-frigid temperatures at which certain materials display superconductivity are making incremental progress. That research – historically based on lattice and/or spin-based interpretations of electron pairing – has now taken a potentially significant step forward thanks to a theoretical view of how electron orbital pairing in a class of materials known as ferropnictides may provide a new road to high transition temperature superconductivity.

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