D. Zayachuk, V. Slynko, and A. Csik, “Formation of the Sputtered Phase of PbTe Crystals by Ar+ Plasma and Re-deposition of the Sputtered Species at Secondary Neutral Mass Spectrometry Conditions”, Phys.Chem.Sol.State, vol. 18, no. 1, pp. 21–28, Mar. 2017.