Epitaxy of silicon on porous silicon by ultra vacuum electron beam evaporator

  • Wei Li Liu*
  • , Xin Zhong Duo
  • , Miao Zhang
  • , Qin Wo Shen
  • , Lian Wei Wang
  • , Cheng Lu Lin
  • , Jian Hao Zhu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Epitaxial silicon with high quality has been successfully grown on porous silicon by ultra-vacuum electron beam evaporator. The effect of porosity of porous silicon on epitaxy was also studied. High energy electron diffraction (HREED), cross-section transition electron microscopy (XTEM), atomic force microscopy (AFM), Rutherford backscattering and channeling spectroscopy (RBS/C) were used to analyze the quality of epitaxial layer. And spreading resistance probe (SRP) was also used to measure the electrical properties of samples. The results show that the epitaxial silicon on porous silicon, which was made in the electrolyte HF: ethanol=1:1 at the current density 10 mA/cm2 for 10 min without illumination, exhibits good quality.

Original languageEnglish
Pages (from-to)612-613+619
JournalGongneng Cailiao/Journal of Functional Materials
Volume32
Issue number6
StatePublished - Dec 2001
Externally publishedYes

Keywords

  • Crystal silicon
  • Epitaxy
  • Porous silicon
  • Ultra-vacuum electron beam evaporation

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