Browsing by Author "Kepa, H"

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    Diffuse neutron scattering studies of single crystal specimens of Fe3-x MnxSi
    (Australian and New Zealand Institutes of Physics, 1994-02-09) Ersez, T; Kennedy, SJ; Hicks, TJ; Kepa, H
    Polarized neutron diffuse scattering measurements have been made of two single crystal specimens of the ordered intermetallic compounds Fe2.45Mno.55Si (at room temperature and Fe2MnSi (above and below the re-ordering temperature). The difference between spin-flip and non-spin-flip scattering cross-sections for the (111) position gave a negative diffuse peak around a positive Bragg peak, being more pronounced for the Fe2.45Mno.55Si crystal. This is consistent with a loss of moment on the B(Fe/Mn) site with addition of Mn. Preliminary model fitting has suggested that Mn atoms cluster on their preferred B-site.