The formation of thin films is discussed by considering the surface chemical interactions taking place between the very active surface of the developing film and the foreign species impinging. The surface structure_- steps, kinks, etc._- which represent the sites of films growth are also extremely sensitive to impinging impurities by breaking bonds, developing bonds of precursor state and by contributing to the formation of stable compounds. The foreign species codeposited in these ways can be built into the lattice or accumulated onto the surface of the growing crystals or amorphous grains developing a surface covering layer.
ASJC Scopus subject areas
- Nuclear and High Energy Physics