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

Sichelschmidt, J., Carrillo-Cabrera, W., Ivanshin, V. A., Grin, Y., & Steglich, F. (2005). Electron spin resonance of Eu2+ in the Eu doped clathrate Ba6Ge25. The European Physical Journal B, Condensend Matter Physics, 46(2), 201-205. doi:10.1140/epjb/e2005-00246-8.

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 Creators:
Sichelschmidt, J.1, Author           
Carrillo-Cabrera, W.2, Author           
Ivanshin, V. A.3, Author           
Grin, Y.4, Author           
Steglich, F.5, Author           
Affiliations:
1Jörg Sichelschmidt, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863468              
2Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
3Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
4Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              
5Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863467              

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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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Language(s): eng - English
 Dates: 2005-07-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 241705
DOI: 10.1140/epjb/e2005-00246-8
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Title: The European Physical Journal B, Condensend Matter Physics
  Other : Eur. Phys. J. B
Source Genre: Journal
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Publ. Info: Heidelberg : Springer-Verlag Heidelberg
Pages: - Volume / Issue: 46 (2) Sequence Number: - Start / End Page: 201 - 205 Identifier: ISSN: 1434-6028
CoNE: https://pure.mpg.de/cone/journals/resource/954927001233_2