X-ray illumination can be used to control the arrangement of oxygen atoms in cuprate superconductors, allowing the writing of regions of robust high-transition-temperature superconductivity.
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Littlewood, P. An X-ray oxygen regulator. Nature Mater 10, 726–727 (2011). https://doi.org/10.1038/nmat3128
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DOI: https://doi.org/10.1038/nmat3128
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