Correction to: Nature Communications https://doi.org/10.1038/s41467-020-18438-0, published online 25 September 2020.

The original version of this Article contained an error in the caption of Fig. 1, which incorrectly says “SrTi(16O1−y18Oy)3”, but in fact it should read “SrTi(16O1−x18Ox)3”.