1 Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Aleja A. Mickiewicza 30, 30-059 Krakow, Poland. wiendlocha@fis.agh.edu.pl.
Correction for 'Eu2+-Eu3+ valence transition in double, Eu-, and Na-doped PbSe from transport, magnetic, and electronic structure studies' by Bartlomiej Wiendlocha et al., Phys. Chem. Chem. Phys., 2017, 19, 9606-9616.