Analysis of laterally non-uniform layers and sub-micron devices by Rutherford backscattering spectrometry

D. Mangelinck*, P. S. Lee, T. Osipowitcz, K. L. Pey

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

A method for analyzing sub-micron devices by Rutherford backscattering spectrometry is presented. Using simplifying assumptions, we are able to simulate the backscattering spectrum of laterally non-uniform samples. The method has been verified with Ni/Pt laterally non-uniform layers on (1 0 0)Si substrate and has been applied to characterize the formation of Ni silicide in structures similar to metal oxide semiconductor (MOS) transistors. It is shown that the analysis of devices with a linewidth as low as 0.25 μm is possible using micro RBS and the method of simulation that we have developed.

Original languageEnglish
Pages (from-to)495-500
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume215
Issue number3-4
DOIs
Publication statusPublished - Feb 2004
Externally publishedYes

ASJC Scopus Subject Areas

  • Nuclear and High Energy Physics
  • Instrumentation

Keywords

  • Characterization
  • MOS
  • Rutherford backscattering spectrometry
  • Silicide
  • Sub-micron devices

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