Realization of Si1-x-yGexCy/si heterostructures by pulsed laser induced epitaxy of C+ implanted pseudomorphic SiGe films and of a-SiGec:H films deposited on Si(100)

  • J. Boulmer
  • , A. Desmur-Larré
  • , C. Guedi
  • , D. Débarre
  • , P. Boucaud
  • , F. H. Julien
  • , E. Finkman
  • , K. Nugent
  • , R. Laval
  • , J. B. Ozenne
  • , H. Yang
  • , D. Bouchier
  • , C. Godet
  • , P. RocaCabarrocas
  • , G. Calvarin
  • , C. Clerc

Research output: Contribution to journalConference articlepeer-review

Abstract

Si1-x-yGex/Si heterostructures are realized by pulsed laser induced epitaxy (PLIE) from C+ implanted pseudomorphic Si0.84 Ge0.16 film and from hydrogenated amorphous SiGeC films deposited on Si(100). The laser treated samples are examined by electron channelling, energy dispersive X-ray analysis, Rutherford backscattering spectroscopy, X-ray diffraction and Raman spectroscopy. First results show that laser induced epitaxy is effective, provided that laser fluence exceeds a threshold for which the melted depth is larger than the initial SiGeC layer. In addition, carbon incorporation in substitutional sites is demonstrated.

Original languageEnglish
Pages (from-to)362-372
Number of pages11
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume2403
DOIs
Publication statusPublished - 10 Apr 1995
EventLaser-Induced Thin Film Processing 1995 - San Jose, United States
Duration: 1 Feb 199528 Feb 1995

Keywords

  • ECP
  • EDX
  • Epitaxy
  • IV-IV alloy
  • Laser
  • Laser annealing
  • Laser melting
  • RBS
  • Raman spectroscopy
  • SiGeC
  • X-ray diffraction

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