Optical Darkening During Space Environmental Effects Testing - Contaminant Film Analyses

Abstract

As a part of a space environmental effects test, two samples used as contamination monitors exhibited slight darkening. Analysis by ellipsometry indicates that l2oA of highly absorptive material had been deposited on them. Static SIMS confirms that a contaminant material was deposited during the test. It further suggests that the contaminant film is composed of polymerized silicones and hydrocarbons. An attempt to use grazing-angle FTIR spectroscopy to identify the film led to inconclusive results.

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Document Details

Document Type
Technical Report
Publication Date
Sep 30, 2004
Accession Number
ADA429306

Entities

People

  • B. A. Morgan
  • M. J. Meshishnek
  • P. D. Fuqua
  • P. M. Adams

Organizations

  • The Aerospace Corporation

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Absorption Coefficients
  • Air Force
  • Air Force Facilities
  • Chemical Reactions
  • Contamination
  • Environmental Pollutants
  • Films
  • Ions
  • Mass Spectrometry
  • Mass Spectroscopy
  • Materials
  • Materials Laboratories
  • Radiation
  • Silicon Dioxide
  • Spectra
  • Spectrometry
  • Spectroscopy

Readers

  • Surface Coatings Technology.
  • Thin Film Deposition Science.

Technology Areas

  • Space