Goldanskii-Karyagin effect in α-SnF2: A neutron diffraction and Mössbauer absorption study |
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| Authors: | T Birchall G Dénes K Ruebenbauer J Pannetier |
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| Institution: | (1) Department of Chemistry and Institute for Materials Research, McMaster University, L8S 4M1 Hamilton, Ontario, Canada;(2) Institute of Nuclear Physics, ul. Radzikowskiego 152, PL-31-342 Cracow, Poland;(3) Institut Laue-Langevin, B.P. No. 156X, F-38042 Grenoble, France;(4) Present address: Department of Chemistry, Concordia University, 1455 de Maisonneuve Blvd. W., H3G 1M8 Montreal, Quebec, Canada |
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| Abstract: | Single crystal neutron diffraction data have been obtained at several temperatures for α-SnF2. These data were used to evaluate the Goldanskii-Karyagin effect expected for the119Sn transition, and compared with the effect measured directly by means of the Mössbauer absorption in powdered samples, free of preferential orientation. These results provide further support for Karyagin's theory. The values of the anisotropy parameterg 11 obtained from the neutron diffraction data are somewhat lower than those obtained from the Mössbauer absorption. |
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