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Mössbauer and susceptibility studies of FeMoVO7

  • Magnetism And Magnetic Materials
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Abstract

The oxidic phase FeMoVO7 of the Fe2O3-V2O5-MoO3 system has been synthesized. Susceptibility measurements from 4.2 K to room temperature display an antiferromagnetic behaviour with an effective magnetic moment of 5.80ώ b . This value, and the measured Mössbauer isomer shift of 0.40±0.02 mm/s, are characteristic of high-spin Fe(III). The lowT n value of 15 K suggests a weak interaction among the Fe-O polyhedra. The relative small QS=0.28±0.02 mm/s found in this compound shows that the Fe-O polyhedra symmetry is close to octahedral and almost undistorted.

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Authors and Affiliations

  1. Departamento de Física, Universidad Nacional de La Plata, CC67, 1900, La Plata, Argentina

    G. F. Goya & R. C. Mercader

  2. Química Inorgánica (QUINOR), Universidad Nacional de La Plata, 1900, La Plata, Argentina

    M. B. Vassallo & I. L. Botto

  3. Química Inorgánica, Universidad Complutense de Madrid, 28040, Madrid, Spain

    R. Sáez Puche

Authors
  1. G. F. Goya
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  2. R. C. Mercader
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  3. M. B. Vassallo
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  4. I. L. Botto
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  5. R. Sáez Puche
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Goya, G.F., Mercader, R.C., Vassallo, M.B. et al. Mössbauer and susceptibility studies of FeMoVO7 . Hyperfine Interact 83, 199–201 (1994). https://doi.org/10.1007/BF02074272

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  • DOI: https://doi.org/10.1007/BF02074272

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