X-Ray and [Gamma]-Ray Spectroscopy of Solids Under Pressure. Technical Progress Report, November 1996-December 1998 Metadata

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Title

  • Main Title X-Ray and [Gamma]-Ray Spectroscopy of Solids Under Pressure. Technical Progress Report, November 1996-December 1998

Creator

  • Author: Ingalls, R.L.
    Creator Type: Personal

Contributor

  • 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: University of Washington. Department of Physics.
    Place of Publication: Seattle, Washington
    Additional Info: Univ. of Washington, Dept. of Physics, Seattle, WA (United States)

Date

  • Creation: 1998-12-01

Language

  • English

Description

  • Content Description: This report describes the recent synchrotron x-ray absorption fine structure (XAFS) measurements on a number of systems that undergo pressure induced changes in local structure at high pressure. The reader should also refer to the accompanying renewal proposal for a more in-depth discussion of the general scope of this program, and its relevance to condensed matter science. The author merely states that the methods here are aimed at using XAFS to probe the various phenomena that are caused by high pressure, especially including various structural, and/or electronic, changes or transitions. The general technique is based upon a pressure cell which utilizes sintered boron carbide anvils, since diamond anvils generally produce Bragg glitches which spoil the high quality XAFS necessary for precision structural measurements. Sample pressure is determined at the beam-line by measuring and analyzing, via XAFS, the compression of some cubic material contained within the sample chamber. Recently, the author has extended this work to 77 K using helium gas for the applied force, rather than hydraulic oil.
  • Physical Description: 17 p.

Subject

  • Keyword: Radiation Absorption Analysis
  • Keyword: X-Ray Spectroscopy
  • STI Subject Categories: 36 Materials Science
  • Keyword: Progress Report
  • Keyword: Materials
  • Keyword: Structural Chemical Analysis
  • Keyword: Synchrotron Radiation
  • STI Subject Categories: 40 Chemistry

Source

  • Other Information: PBD: Dec 1998

Collection

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

Institution

  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Report

Format

  • Text

Identifier

  • Other: DE99001427
  • Report No.: DOE/ER/45622--3
  • Grant Number: FG03-97ER45622
  • DOI: 10.2172/304164
  • Office of Scientific & Technical Information Report Number: 304164
  • Archival Resource Key: ark:/67531/metadc685090

Note

  • Display Note: INIS; OSTI as DE99001427
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