A high-pressure cell for neutron crystal spectrometry

B. Buras, W. Kofoed, Bente Lebech, G. Bäckström

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    Abstract

    Three fixed-scattering-angle methods for neutron scattering potider measurements using double- and triple-axis crystal spectrometers were tested: (1) the analyzer-scan method (AS), (2) the monochromator-scan method (MS), and (3) the monochromatoranalyzer scan method (MAS). A high-pressure cell, primarily for use in powder diffraction measurements, with scattering angles of 30 , 60 , 90 and 120 and a sample volume of about 0.8 cm was constructed and used in conjunction with the MS and MAS methods. At room temperature, this cell makes it possible to make measurements at pressures up to about 40 kbar and up to about 30 kbar at 300° C. The report includes a description of the diffraction methods and of the high-pressure cell. A few examples of experimental results are also given.
    Original languageEnglish
    Place of PublicationRoskilde, Denmark
    PublisherRisø National Laboratory
    Number of pages32
    ISBN (Print)87-550-0456-3
    Publication statusPublished - 1977
    SeriesDenmark. Forskningscenter Risoe. Risoe-R
    Number357
    ISSN0106-2840

    Keywords

    • Risø-R-357
    • Risø-357
    • Risø report 357

    Cite this

    Buras, B., Kofoed, W., Lebech, B., & Bäckström, G. (1977). A high-pressure cell for neutron crystal spectrometry. Risø National Laboratory. Denmark. Forskningscenter Risoe. Risoe-R, No. 357