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Electron spin resonance of Eu2 + in the Eu doped clathrate Ba6Ge25

  • Solid and Condensed State Physics
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Abstract.

We report electron spin resonance (ESR) investigations of the clathrate compound Ba6-xEuxGe25 (x=0.03–0.4) which exhibits a temperature induced, two-step reconstructive structure transformation at temperatures between 185 K and 223 K. The linewidth of the Eu2+ ESR proves to be sensitive to the transformation. Another anomaly in the temperature dependence of the linewidth is found near T=60 K which points towards another possible structural transition. Both anomalies seen in the ESR linewidth are not sensitive to the Eu content in contrast to the strong Eu-concentration dependence of transport properties.

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Authors and Affiliations

  1. Max Planck Institute for the Chemical Physics of Solids, 01187, Dresden, Germany

    J. Sichelschmidt, W. Carrillo-Cabrera, V. A. Ivanshin, Yu. Grin & F. Steglich

  2. MRS Laboratory, Kazan State University, 420008, Kazan, Russia

    V. A. Ivanshin

Authors
  1. J. Sichelschmidt
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  2. W. Carrillo-Cabrera
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  3. V. A. Ivanshin
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  4. Yu. Grin
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  5. F. Steglich
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Correspondence to J. Sichelschmidt.

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Sichelschmidt, J., Carrillo-Cabrera, W., Ivanshin, V. et al. Electron spin resonance of Eu2 + in the Eu doped clathrate Ba6Ge25. Eur. Phys. J. B 46, 201–205 (2005). https://doi.org/10.1140/epjb/e2005-00246-8

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  • DOI: https://doi.org/10.1140/epjb/e2005-00246-8

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