Klein, C.; Vollmers, N.J.; Gerstmann, U.; Zahl, P.; Lükermann, D. et al.: Barrier-free subsurface incorporation of 3d metal atoms into Bi(111) films. In: Physical Review B - Condensed Matter and Materials Physics 91 (2015), Nr. 19, No. 195441. DOI:
https://doi.org/10.1103/PhysRevB.91.195441