CoSi2 formation on strained GexSi1-x layers by Co/GexSi1-x thermal reaction

M. C. Ridgway*, R. G. Elliman, R. Pascual, J. L. Whitton, J. M. Baribeau

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Citations (Scopus)

Abstract

The formation of CoSi2 on Ge.17Si.83 layers by Co/Ge.17Si.83 thermal reaction has been studied with a variety of analytical techniques. Co films deposited on strained Ge.17Si.83 layers were annealed at 600°C for 0-240 min. Following 240 min annealing, the reacted surface layer was composed of CoSi, CoSi2 and GexSi1-x precipitates (the latter probably rich in Ge) as identified with transmission electron microscopy, x-ray diffraction and/or Raman spectroscopy. Lateral phase non-uniformity was evident with both transmission and scanning electron microscopy. For samples annealed with and without an evaporated Co film, enhanced relaxation of the underlying Ge.17Si.83 layer was apparent in the former.

Original languageEnglish
Title of host publicationThermodynamics and Kinetics
PublisherPubl by Materials Research Society
Pages155-160
Number of pages6
ISBN (Print)1558992073
Publication statusPublished - 1993
EventProceedings of the Symposium on Phase Transformations in Thin Films - San Francisco, CA, USA
Duration: 13 Apr 199315 Apr 1993

Publication series

NameMaterials Research Society Symposium Proceedings
Volume311
ISSN (Print)0272-9172

Conference

ConferenceProceedings of the Symposium on Phase Transformations in Thin Films
CitySan Francisco, CA, USA
Period13/04/9315/04/93

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