Correction to: Nature Communications https://doi.org/10.1038/s41467-019-11223-8, published online 19 July 2019

The original version of this Article contained an error in Fig. 3b, in which the x-axis label incorrectly read ‘Time (s)’ rather than the correct ‘V (V)’. This has been corrected in both the PDF and HTML versions of the Article.