An explanation for the need of a reduction process in electron-doped superconductors offers new insight into the conductivity mechanism of these lesser-known superconductors.
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Takagi, H. Coppers in the right place. Nature Mater 6, 179–180 (2007). https://doi.org/10.1038/nmat1855
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DOI: https://doi.org/10.1038/nmat1855