Correction to: npj Computational Materials (2016) 2, 16002; doi:10.1038/npjcompumats.2016.2; published online 18 March 2016

Since the online publication of the above article, it has been noted that an acknowledgement section should have been included and the text should read:

‘This work was supported primarily by the U.S. Department of Energy (DOE) under Contract No. DE-FG02-96ER45571.’

This error has been corrected in the PDF and HTML versions of the article.