Vibronic interactions in the visible and near-infrared spectra of C60− anions

Ian D. Hands, Janette L Dunn, Colin A Bates, Michael J Hope, Steve R Meech, David L Andrews

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Electron-phonon coupling is an important factor in understanding many properties of the C60 fullerides. However, there has been little success in quantifying the strength of the vibronic coupling in C60 ions, with considerable disagreement between experimental and theoretical results. We will show that neglect of quadratic coupling in previous models for C60- ions results in a significant overestimate of the linear coupling constants. Including quadratic coupling allows a coherent interpretation to be made of earlier experimental and theoretical results which at first sight are incompatible.
Original languageEnglish
Article number115445
Number of pages5
JournalPhysical Review B
Issue number11
Publication statusPublished - 25 Mar 2008

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