Investigations of thin films on GaAs using the proton resonant scattering technique

Kin Man Yu, J. M. Jaklevic, E. E. Haller

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

13 Citations (Scopus)

Abstract

We have characterized a number of thermally stable thin film/GaAs systems including thin films of refractory metal suicides and nitrides as well as dielectric films on GaAs substrates using a MeV proton scattering technique. Thin films of tungsten suicides, zirconium nitride and silicon dioxide on GaAs substrates are investigated. The enhanced proton scattering cross sections of nitrogen, silicon and oxygen at their corresponding resonant energies enable us to accurately measure the compositions of these films. The advantages and disadvantages of this technique regarding depth resolution, accessible depth, and mass resolution compared to the conventional Rutherford backscattering spectrometry for thin film analysis are discussed. © 1988.
Original languageEnglish
Pages (from-to)551-556
JournalNuclear Inst. and Methods in Physics Research, B
Volume30
Issue number4
DOIs
Publication statusPublished - 1 Apr 1988
Externally publishedYes

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