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Study by X-ray diffraction and Raman spectroscopy of a Dy@C82single crystal

Wågberg, Thomas (author)
Umeå universitet,Institutionen för fysik
Launois, Pascale (author)
Univ Paris II,Phys Solides Lab
Moret, Roger (author)
Univ Paris II,Phys Solides Lab
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Huang, H (author)
Hong Kong Univ Sci & Technol,,Dept Chem
Yang, SH (author)
Hong Kong Univ Sci & Technol,,Dept Physics
Li, IL (author)
Hong Kong Univ Sci & Technol,,Inst Nano Sci & Technol,
Tang, ZK (author)
Hong Kong Univ Sci & Technol,,Inst Nano Sci & Technol,
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 (creator_code:org_t)
NEW YORK, NY 10010 USA : SPRINGER-VERLAG, 2003
2003
English.
In: European Physical Journal B. - NEW YORK, NY 10010 USA : SPRINGER-VERLAG. - 1434-6028 .- 1434-6036. ; 35:3, s. 371-375
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • 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 Angstrom, space group I (4) over bar 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.

Subject headings

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

Keyword

Fullerenes
x-ray diffraction
Raman spectroscopy
endohedral doping
Condensed matter physics
Kondenserade materiens fysik
fasta tillståndets fysik
Solid State Physics

Publication and Content Type

ref (subject category)
art (subject category)

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