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A polarized neutron study on synthetic Mn2SiO4

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Abstract

The magnetization density of Mn2SiO4 was determined by diffraction with polarized neutrons at 20 K (antiferromagnetic spin state) in an applied magnetic field of 4.62 Tesla. A unique data set of 199 flipping-ratios was registered up to sin Θ/gl=9.0/nm, and the magnetic moments for the different sites were derived (μ(M1)=2.56(2) μ B, μ(M2)=4.33(2) μ B) after correction of field-induced ferromagnetic moments and antiphase domains. Fourier inversion of the magnetic structure factors produced the magnetization density in the unit cell with small contributions close to those oxygens involved in superexchange.

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Authors and Affiliations

  1. Institut für Mineralogie, Universität Salzburg, Hellbrunnerstrasse 34, A-5020, Salzburg, Austria

    Werner Lottermoser

  2. FB 21 Materialwissenschaft, Fachgebiet Strukturforschung, Petersenstrasse 20, W-6100, Darmstadt, Germany

    Hartmut Fuess

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  1. Werner Lottermoser
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  2. Hartmut Fuess
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Lottermoser, W., Fuess, H. A polarized neutron study on synthetic Mn2SiO4 . Phys Chem Minerals 19, 46–51 (1992). https://doi.org/10.1007/BF00206799

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  • DOI: https://doi.org/10.1007/BF00206799

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