Synchrotron radiation study of metallic titanium deposited on dielectric substrates

Justin Bogan, Venkateswaran Selvaraju, Anita Brady-Boyd, Greg Hughes, Robert O'Connor

Research output: Contribution to journalArticlepeer-review

Abstract

In this work, the authors present a detailed synchrotron radiation photoemission study of the interactions of metallic titanium with dielectric substrates. In particular, the authors focus on the formation of titanium silicide upon deposition when titanium interacts with SiO2 based substrates. Both TiSi and TiSi2 are present, but TiSi2 grows preferentially upon annealing. When deposited on carbon-containing low-k materials, titanium interacts with the surface to form titanium carbide and titanium silicide. At elevated temperature, carbon in the low-k dielectric assists in the conversion of titanium silicide to titanium silicate.

Original languageEnglish
Article number040602
JournalJournal of Vacuum Science and Technology B: Nanotechnology and Microelectronics
Volume36
Issue number4
DOIs
Publication statusPublished - 01 Jul 2018
Externally publishedYes

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