The adsorption of alkali metals and their effect on the electronic properties of grain boundaries in bulk of polycrystalline silicon was studied experimentally. The results obtained showed that the potential barrier grew during diffusion and adsorption of alkali metal atoms along grain boundaries.

Adsorption of Alkali Metals and their Effect on Electronic Properties of Grain Boundaries in Bulk of Polycrystalline Silicon. L.O.Olimov: Semiconductors, 2010, 44[5], 602-4