Unusual polymerization in the Li4C60 fulleride

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Li4C60, one of the best representatives of lithium intercalated fullerides, features a novel type of 2D polymerization. Extensive investigations, including laboratory x-ray and synchrotron radiation diffraction, 13C NMR, MAS and Raman spectroscopy, show a monoclinic I2/m structure, characterized by chains of [2+2]-cycloaddicted fullerenes, sideways connected by single C-C bonds. This leads to the formation of polymeric layers, whose insulating nature, deduced from the NMR and Raman spectra, denotes the complete localization of the electrons involved in the covalent bonds.
7 pages, 6 figures, RevTex4, submitted to Phys. Rev. B

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Materials Science, Other Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/95889

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0509510
 http://arxiv.org/abs/cond-mat/0509510
 Physical Review B 72, 155437 (2005)
 doi:10.1103/PhysRevB.72.155437

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arXiv