Abstract
Nickel silicide was formed by heat-treating Ni film on single-crystal Si. X-ray diffraction and resistivity measurements revealed that heat treatment at 300°C resulted in the formation of Ni-rich silicides, which were converted to NiSi during post-annealing above 400°C. Schottky barrier height of Ni silicide was examined in relation to phase differences. Barrier height was found to be unaffected by silicide phase.