Epitaxial growth followed by topotactic reduction yields superconducting nickelate phases with the same hole-doping level as that obtained by chemical substitution, without causing structural disorder.
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Gabay, M., Gariglio, S. & Triscone, JM. Functionally doped infinite-layer nickelates. Nat. Mater. 21, 139–140 (2022). https://doi.org/10.1038/s41563-021-01163-4
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DOI: https://doi.org/10.1038/s41563-021-01163-4
