Effect of boron doping on the C49 to C54 phase transformation in Ti/Si(001) bilayers

A. Quintero, M. Libera, C. Cabral, L. A. Clevenger, J. M.E. Harper

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

The formation of C54 TiSi2 on undoped and boron-doped single crystal silicon substrates under rapid thermal annealing conditions was studied. The C49 to C54 phase transformation occurred at 760 °C and 810 °C for the undoped and boron-doped samples respectively. High resolution transmission electron microscopy observations revealed a thick 20 nm TiN layer on the C54 TiSi2 film in the boron-doped samples while fine dispersed TiN particles was formed on the top of the undoped samples. The boron-doped samples also produced thinner silicide layers with rough TiSi2/S1(100) interface.

Original languageEnglish
Pages (from-to)303-308
Number of pages6
JournalMaterials Research Society Symposium Proceedings
Volume441
StatePublished - 1997
EventProceedings of the 1996 MRS Fall Meeting - Boston, MA, USA
Duration: 2 Dec 19966 Dec 1996

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