Analytical Scanning and Transmission Electron Microscopy of Laboratory Impacts on Stardust Aluminium Foils: Interpreting Impact Crater Morphology and the Composition of Impact Residues. Metadata

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Title

  • Main Title Analytical Scanning and Transmission Electron Microscopy of Laboratory Impacts on Stardust Aluminium Foils: Interpreting Impact Crater Morphology and the Composition of Impact Residues.

Creator

  • Author: Kearsley, A T
    Creator Type: Personal
  • Author: Graham, G A
    Creator Type: Personal
  • Author: Burchell, M J
    Creator Type: Personal
  • Author: Cole, M J
    Creator Type: Personal
  • Author: Dai, Z R
    Creator Type: Personal
  • Author: Teslich, N
    Creator Type: Personal
  • Author: Chater, R
    Creator Type: Personal
  • Author: Wozniakiewicz, P A
    Creator Type: Personal
  • Author: Spratt, J
    Creator Type: Personal
  • Author: Jones, G
    Creator Type: Personal

Contributor

  • Sponsor: United States. Department of Energy.
    Contributor Type: Organization

Publisher

  • Name: Lawrence Livermore National Laboratory
    Place of Publication: Livermore, California
    Additional Info: Lawrence Livermore National Laboratory (LLNL), Livermore, CA

Date

  • Creation: 2006-10-19

Language

  • English

Description

  • Content Description: The known encounter velocity (6.1kms{sup -1}) between the Stardust spacecraft and the dust emanating from the nucleus of comet Wild 2 has allowed realistic simulation of dust collection in laboratory experiments designed to validate analytical methods for the interpretation of dust impacts on the aluminium foil components of the Stardust collector. In this report we present information on crater gross morphology, the pre-existing major and trace element composition of the foil, geometrical issues for energy dispersive X-ray analysis of the impact residues in scanning electron microscopes, and the modification of dust chemical composition during creation of impact craters as revealed by analytical transmission electron microscopy. Together, these observations help to underpin the interpretation of size, density and composition for particles impacted upon the Stardust aluminium foils.
  • Physical Description: PDF-file: 31 pages; size: 1.7 Mbytes

Subject

  • Keyword: Comets
  • Keyword: Aluminium
  • Keyword: Elements
  • Keyword: Dusts
  • Keyword: Chemical Composition
  • Keyword: Electron Microscopes
  • STI Subject Categories: 99 General And Miscellaneous//Mathematics, Computing, And Information Science
  • Keyword: Residues
  • Keyword: Modifications
  • Keyword: Trace Amounts
  • Keyword: Simulation
  • Keyword: Velocity
  • Keyword: Morphology
  • Keyword: Transmission Electron Microscopy

Source

  • Journal Name: Meteoritics and Planetary Science, vol. 42, no. 2, February 1, 2007, pp. 191-210; Journal Volume: 42; Journal Issue: 2

Collection

  • Name: Office of Scientific & Technical Information Technical Reports
    Code: OSTI

Institution

  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Article

Format

  • Text

Identifier

  • Report No.: UCRL-JRNL-225844
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 907825
  • Archival Resource Key: ark:/67531/metadc880420