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Mössbauer Effect Study of the Cluster Distribution in the Spin Glass θ-Me0.35V2O5 (Me=Fe, A1)

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Industrial Applications of the Mössbauer Effect

Abstract

Mössbauer data for the Vanadium oxide bronzes, 0-Fe0.35V2O5 and 0-A10.26Fe0.09V2O5 reveal a randomly oriented spin arrangement with only weak indirect exchange interaction possibly stimulating a spin-glass like order. Below 18K the onset of magnetic order shows up as a broadened magnetic hyperfine patterns. Two sextets are observed below 6K. The Mössbauer spectra can be fit assuming superparamagnetic relaxation of a Cluster magnetization. Our relaxation model is appropriate for a flipping of the hyperfine field into a reversed direction. From the resolved spectra, it is apparent that Clusters with different relaxation frequencies of 4.0 and 0.9MHz and different hyperfine fields of 45.0 and 38.5 Tesla are present. The Cluster distribution function was derived from the temperature dependence of the relative intensity of the doublets.

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Author information

Authors and Affiliations

  1. Department of Chemistry, University of Marburg und Sonderforschungsbereich 127 “Kristallstruktur und Chemische Bindung”, Hans-Meerwein-Str., D-3550, Marburg/Lahn, Federal Republic of Germany

    H. Lass & J. Pebler

Authors
  1. H. Lass
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  2. J. Pebler
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Editor information

Editors and Affiliations

  1. University of Missouri-Rolla, Rolla, Missouri, USA

    Gary J. Long

  2. University of North Carolina at Asheville, Asheville, North Carolina, USA

    John G. Stevens

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© 1986 Plenum Press, New York

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Lass, H., Pebler, J. (1986). Mössbauer Effect Study of the Cluster Distribution in the Spin Glass θ-Me0.35V2O5 (Me=Fe, A1). In: Long, G.J., Stevens, J.G. (eds) Industrial Applications of the Mössbauer Effect. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-1827-9_20

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  • DOI: https://doi.org/10.1007/978-1-4613-1827-9_20

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4612-9021-6

  • Online ISBN: 978-1-4613-1827-9

  • eBook Packages: Springer Book Archive

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