Radiation Response of Rhombohedral Oxides Metadata

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Title

  • Main Title Radiation Response of Rhombohedral Oxides

Creator

  • Author: Devanathan, R.
    Creator Type: Personal
  • Author: Weber, W.J.
    Creator Type: Personal
    Creator Info: Pacific Northwest National Lab., Richland, WA (United States)
  • Author: Mitchell, J.N.
    Creator Type: Personal
  • Author: Sickafus, K.E.
    Creator Type: Personal
  • Author: Nastasi, M.
    Creator Type: Personal
    Creator Info: Los Alamos National Lab., NM (United States)

Contributor

  • Sponsor: United States. Department of Energy. Assistant Secretary for Human Resources and Administration.
    Contributor Type: Organization
    Contributor Info: USDOE Assistant Secretary for Human Resources and Administration, Washington, DC (United States)
  • Sponsor: United States. Department of Energy. Office of Energy Research.
    Contributor Type: Organization
    Contributor Info: USDOE Office of Energy Research, Washington, DC (United States)

Publisher

  • Name: Los Alamos National Laboratory
    Place of Publication: New Mexico
    Additional Info: Los Alamos National Lab., NM (United States)

Date

  • Creation: 1997-12-31

Language

  • English

Description

  • Content Description: The radiation response of three rhombohedral oxides, namely, sapphire ({alpha}-Al{sub 2}O{sub 3}), ilmenite (FeTiO{sub 3}), and geikielite (MgTiO{sub 3}), has been examined by irradiating electron transparent samples with 1 MeV Kr(+) and 1.5 MeV Xe(+)ions. The microstructural changes during irradiation were observed in situ in a high-voltage electron microscope using electron diffraction and microscopy. The irradiation conditions were designed to minimize beam heating and chemical effects due to the implanted ion. Of the three oxides studied, ilmenite is the most susceptible to radiation-induced amorphization while sapphire is the least susceptible. In all three materials, the critical temperature for amorphization was below 300 K indicating good room temperature resistance to amorphization by energetic beams.
  • Physical Description: 17 p.

Subject

  • Keyword: Chemical Reactions
  • Keyword: Electron Microscopes
  • Keyword: Xenon Ions
  • Keyword: Trigonal Lattices
  • Keyword: Modifications
  • Keyword: Heating
  • Keyword: Mev Range 01-10
  • Keyword: Microscopy
  • Keyword: Sapphire
  • Keyword: Electron Diffraction
  • Keyword: Magnesium Compounds
  • Keyword: Critical Temperature
  • Keyword: Krypton Ions
  • Keyword: Irradiation
  • Keyword: Ion Implantation
  • Keyword: Titanates
  • Keyword: Sampling
  • Keyword: Amorphous State
  • Keyword: Microstructure
  • STI Subject Categories: 36 Materials Science
  • Keyword: Ion Beams
  • Keyword: Ilmenite

Source

  • Conference: Modification of ceramics and semiconductors by ion beams conference, Ciocco (Italy), 17-23 May 1997

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

  • Other: DE98003019
  • Report No.: LA-UR--97-4005
  • Report No.: CONF-9705230--
  • Grant Number: W-7405-ENG-36;AC06-76RL01830
  • Office of Scientific & Technical Information Report Number: 661944
  • Archival Resource Key: ark:/67531/metadc702439

Note

  • Display Note: INIS; OSTI as DE98003019
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