NiSi2 precipitation in nickel-implanted silicon films

R. C. Cammarata*, C. V. Thompson, King-Ning Tu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


We report on the formation of nickel silicide in nickel-implanted amorphous silicon thin films. We have found that during annealing, precipitates of NiSi2 form in the interior of the film. This is in contrast with results for interfacial reactions between nickel films and silicon, where the first phases to appear are Ni2Si and NiSi on amorphous silicon, and Ni2Si on crystalline silicon. We suggest that these results reflect differences in surface energies and their effects on silicide nucleation.

Original languageEnglish
Pages (from-to)1106-1108
Number of pages3
JournalApplied Physics Letters
Issue number14
StatePublished - 1 Dec 1987

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