Synthesis and characterization of pure C40 TiSi2

S. Y. Chen*, Z. X. Shen, K. Li, A. K. See, L. H. Chan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


In this letter, we report on the synthesis of a third phase of Ti disilicide, the C40 TiSi2 on Si substrate with pulsed laser annealing. This is achieved without doping the samples with foreign metals. We also show that with this C40 TiSi2, the technologically important C54 TiSi2 is achieved directly, completely bypassing the undesirable C49 phase. The C40 phase was identified using convergent beam electron diffraction. Raman spectrum of pure C40 TiSi2 was also obtained. The synthesis of the C40 phase without the additional refractory metal and its promotion effect on the C54 phase formation has important implications for the integrated circuit industry in 0.13 μm technology and beyond.

Original languageEnglish (US)
Pages (from-to)4395-4397
Number of pages3
JournalApplied Physics Letters
Issue number26
StatePublished - Dec 25 2000
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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