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Absence of charge fluctuations of europium in metallic single crystals of EuCu2Si2

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Abstract

The 151Eu Mössbauer effect study in the temperature range 2.2–299.5 K on pulverized single crystals of EuCu2Si2 synthesized from an indium flux is presented. In contrast to previous studies on polycrystalline samples in which valence fluctuations for Eu were reported, we find that the Eu atoms are divalent in the whole temperature range. Therefore, there are no charge fluctuations of Eu in EuCu2Si2.

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Authors and Affiliations

  1. Department of Physics, University of Ottawa, Ottawa, ON, K1N 6N5, Canada

    Z. M. Stadnik & P. Wang

  2. Solid State Physics Department, AGH University of Technology, 30-059, Cracow, Poland

    J. Żukrowski

  3. Department of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 500-712, South Korea

    B. K. Cho

Authors
  1. Z. M. Stadnik
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  2. P. Wang
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  3. J. Żukrowski
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  4. B. K. Cho
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Correspondence to Z. M. Stadnik.

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Stadnik, Z.M., Wang, P., Żukrowski, J. et al. Absence of charge fluctuations of europium in metallic single crystals of EuCu2Si2 . Hyperfine Interact 169, 1295–1299 (2006). https://doi.org/10.1007/s10751-006-9440-0

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  • DOI: https://doi.org/10.1007/s10751-006-9440-0

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