Multiple Scattering of Slow Neutrons by Flat Specimens and Magnetic Scattering by Zinc Ferrite
- 15 June 1955
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 98 (6), 1721-1727
- https://doi.org/10.1103/PhysRev.98.1721
Abstract
Measurements of scattering from Be, Pb, Bi, and Th under conditions where multiple scattering predominated were compared with predictions based on the work of Chandrasekhar and of Vineyard. Good agreement was obtained. A table of values of the expected multiple scattering by flat specimens is given. These results were used to correct measurements of diffuse scattering by zinc ferrite at room temperature and higher to obtain the differential magnetic cross section of the magnetic ions. The cross section shows interesting features which are discussed. At liquid nitrogen temperatures a small-angle scattering effect was found. This is interpreted as arising from short-range ferromagnetic ordering of the iron ions.Keywords
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