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Low temperature susceptibility of Al- and Fe-Vanadium oxide bronze (VOB): Comparison of AC/DC measurements with calculation

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Zeitschrift für Physik B Condensed Matter

Abstract

We have measured the ac- and dc-susceptibilities of semiconducting Vanadium Oxide Bronze (VOB) containing Al and Fe donor atoms. Due to structural reasons, the donor atoms are randomly distributed and transfer their three electrons to the non-magnetic vanadium atoms, thereby creating randomly three V4+ atoms. The magnetic ordering of the vanadium subsystem has previously been attributed to antiferromagnetically coupled spin pairs of V4+ ions [1]. The measured susceptibilities are similar to those of spin glasses. Comparison of the data with the calculated isothermal susceptibility shows that the system is far away from equilibrium below the magnetic ordering temperatureT M .

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Author notes

  1. D. Hüser

    Present address: MBB/ERNO Raumfahrttechnik GmbH, Hünefeldstrasse 1-5, D-2800, Bremen 1, FRG

Authors and Affiliations

  1. Kamerlingh Onnes Laboratorium, University of Leiden, NL-2311SB, Leiden, The Netherlands

    D. Hüser, J. van den Berg & J. A. Mydosh

  2. Department of Chemistry, University of Warsaw, Warsaw, Poland

    M. Pekała & A. Polaczek

Authors
  1. D. Hüser
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  2. J. van den Berg
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  3. J. A. Mydosh
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  4. M. Pekała
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  5. A. Polaczek
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Hüser, D., van den Berg, J., Mydosh, J.A. et al. Low temperature susceptibility of Al- and Fe-Vanadium oxide bronze (VOB): Comparison of AC/DC measurements with calculation. Z. Physik B - Condensed Matter 66, 333–338 (1987). https://doi.org/10.1007/BF01305423

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  • DOI: https://doi.org/10.1007/BF01305423

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