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Study by X-ray diffraction and Raman spectroscopy of a Dy@C $_{\mathsf{82}}$ single crystal

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  • T. Wågberg
  • P. Launois
  • R. Moret
  • H. Huang
  • S. Yang
  • I. Li
  • Z. Tang

Abstract

We report the first X-ray diffraction and Raman spectroscopy study of a single crystal of the rare-earth endohedral fullerene Dy@C 82 . The lattice is found to be body-centered cubic (a=25.79 Å, space group $I\bar {4}3d)$ which is at variance with previous reports and confirms that several types of structures can be stabilized in Dy@C 82 . X-ray diffraction/diffuse scattering methods reveal no low-temperature change down to 12 K for the present structure. The Raman spectroscopy data are comparable to those of other M@C 82 endohedral compounds. However, the Dy oxidation state and the force constant of the low-frequency metal-cage stretching mode do not follow the simple relationship observed before. Copyright Springer-Verlag Berlin/Heidelberg 2003

Suggested Citation

  • T. Wågberg & P. Launois & R. Moret & H. Huang & S. Yang & I. Li & Z. Tang, 2003. "Study by X-ray diffraction and Raman spectroscopy of a Dy@C $_{\mathsf{82}}$ single crystal," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 35(3), pages 371-375, October.
    • Handle: RePEc:spr:eurphb:v:35:y:2003:i:3:p:371-375
    DOI: 10.1140/epjb/e2003-00289-9
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