High-temperature superconductivity in ultrathin films of iron selenide deposited on strontium titanate has been attributed to various exotic mechanisms. New experiments indicate that it may be conventional, with broader implications.
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Božović, I. A conventional conundrum. Nature Phys 12, 22–24 (2016). https://doi.org/10.1038/nphys3626
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DOI: https://doi.org/10.1038/nphys3626
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