Hahn, R., Bartosik, M., Soler, R., Kirchlechner, C., Dehm, G., & Mayrhofer, P. H. (2016). Superlattice effect for enhanced fracture toughness of hard coatings. Scripta Materialia, 124, 67-70. doi:10.1016/j.scriptamat.2016.06.030.