Correction to: Nature Energy https://doi.org/10.1038/s41560-021-00912-8, published online 18 October 2021.

In the version of this article initially published, there was an error in Fig. 5e. In the lower panel, second peak, the text now reading “Pb 4f7/2” appeared originally as “Pb 4f3/2.” The error has been corrected in the HTML and PDF versions of the article.