Structural characterization of codeposition growth β-FeSi2 film

Chenglu Lin*, Lianwei Wang, Xiangdong Chen, L. F. Chen, L. M. Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Epitaxial β-FeSi2 film on Si(111) was prepared by codeposition of iron and silicon onto a β-FeSi2 template at 400°C and subsequent annealing at 700°C for 2h. The template was prepared by reactive deposition epitaxy on Si(111). X-ray diffraction (XRD) pattern shows only β-FeSi2(202) or (220) peak which is in correspondence with the epitaxial β-FeSi2(101) or (110) on Si(111). Cross-sectional transmission electron microscopy (XTEM) and high resolution TEM (HRTEM) observation show that the β-FeSi2/Si interface was quite flat near atomic level. Conversion electron Msbauer spectrum proves that the film grows in one or more epitaxial equivalent orientations rather than in a polycrystalline manner.

Original languageEnglish
Pages (from-to)622-625
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume37
Issue number2
DOIs
StatePublished - Feb 1998
Externally publishedYes

Keywords

  • Co-deposition
  • Epitaxial growth
  • Mössbauer
  • Resistance
  • Structure
  • TEM
  • β-FeSi

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