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A study of the electric hyperfine interaction at57Fe in Na3Fe(CN)6·2H2O using polarized recoilless gamma radiation

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Abstract

Polarimetric Mössbauer measurements have been carried out to determine the electric hyperfine hamiltonian for the 14.4 keV excited state of an57Fe nucleus in monoclinic Na3Fe(CN)6·2H2O. The experiments were made with a single crystal sample using polarized gamma rays emitted from a magnetized source. The data were analyzed using a density matrix formalism and taking into account the change in polarization of the radiation inside the absorber of finite thickness. The quadrupole interaction is nonaxial with η=0.52(9) and the main principal axis of the electric field gradient lies in the ac-plane.

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Authors and Affiliations

  1. Department of Technical Physics, Helsinki University of Technology, 02150, Espoo 15, Finland

    P. Helistö, M. T. Hirvonen, T. Katila & K. Riski

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  1. P. Helistö
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  2. M. T. Hirvonen
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  3. T. Katila
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  4. K. Riski
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Helistö, P., Hirvonen, M.T., Katila, T. et al. A study of the electric hyperfine interaction at57Fe in Na3Fe(CN)6·2H2O using polarized recoilless gamma radiation. Hyperfine Interact 12, 27–38 (1982). https://doi.org/10.1007/BF01026355

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  • DOI: https://doi.org/10.1007/BF01026355

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