Thin epitaxial lead films on TiSe2(001)

Thin epitaxial Pb layers are grown on TiSe2(001). The surface structure was determined with reflection high energy electron diffraction (RHEED) and the coverage was checked with Auger electron spectroscopy (AES). Pb films grow in the (111) orientation epitaxially on TiSe2(001) with Pb[10]∥TiSe2[100]. From Auger measurements, a Stranski-Krastanov growth mechanism is concluded. On Pb deposition of half a monolayer at 200 K, we observed one-dimensional structures at the surface of TiSe2 which are probably formed by accumulated Pb atoms at steps on the substrate. At room temperature, the intercalation of Pb into TiSe2 was monitored with AES. After prolonged annealing at 500 K, epitaxial PbSe crystallites on Pb(111) were observe