Microstructural analysis of nickel silicide formed by nickel/silicon-on- oxide annealing

H. Yang, R. F. Pinizzotto, L. Luo, Fereydoon Namavar

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Microstructures of crystalline nickel disilicide thin films formed on SIMOX (separation by implantation of oxygen) Si-on-oxide substrates were analyzed using electron microscopy. The samples were examined both in the top-down plane-view orientation and in cross section along a [110] direction. The nickel silicide films were formed through thermal reaction of metallic nickel deposited on the top Si layer of the SIMOX substrates. The results were compared with epitaxial NiSi2 layers grown on single crystal silicon substrates. Twin boundaries were observed at the silicide/oxide interface. The oxide layer acts as a diffusion barrier which prevents nickel from diffusing into the substrate resulting in uniform NiSi2 on a SiO2/Si substrate.

Original languageEnglish (US)
Pages (from-to)2694-2696
Number of pages3
JournalApplied Physics Letters
Volume62
Issue number21
DOIs
StatePublished - Dec 1 1993

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nickel
annealing
oxides
silicon
implantation
oxygen
electron microscopy
microstructure
single crystals
cross sections
thin films

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Microstructural analysis of nickel silicide formed by nickel/silicon-on- oxide annealing. / Yang, H.; Pinizzotto, R. F.; Luo, L.; Namavar, Fereydoon.

In: Applied Physics Letters, Vol. 62, No. 21, 01.12.1993, p. 2694-2696.

Research output: Contribution to journalArticle

Yang, H. ; Pinizzotto, R. F. ; Luo, L. ; Namavar, Fereydoon. / Microstructural analysis of nickel silicide formed by nickel/silicon-on- oxide annealing. In: Applied Physics Letters. 1993 ; Vol. 62, No. 21. pp. 2694-2696.
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