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  Vibrational spectrum of solid picene (C22H14)

Joseph, B., Boeri, L., Malavasi, L., Capitani, F., Artioli, G. A., Protti, S., et al. (2012). Vibrational spectrum of solid picene (C22H14). Journal of Physics: Condensed Matter, 24(25): 252203.

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Joseph, B., Author
Boeri, L.1, 2, 3, Author           
Malavasi, L., Author
Capitani, F., Author
Artioli, G. A., Author
Protti, S., Author
Fagnoni, M., Author
Albini, A., Author
Marini, C., Author
Baldassarre, L., Author
Perucchi, A., Author
Lupi, S., Author
Postorino, P., Author
Dore, P., Author
Affiliations:
1Former Departments, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370502              
2Former Research Groups, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370500              
3Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370480              

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 Abstract: Recently, Mitsuhashi et al observed superconductivity with a transition temperature up to 18 K in potassium doped picene (C22H14), a polycyclic aromatic hydrocarbon compound (Mitsuhashi et al 2010 Nature 464 76). Theoretical analysis indicates the importance of electron-phonon coupling in the superconducting mechanisms of these systems, with different emphasis on inter-and intra-molecular vibrations, depending on the approximations used. Here we present a combined experimental and ab initio study of the Raman and infrared spectrum of undoped solid picene, which allows us to unambiguously assign the vibrational modes. This combined study enables the identification of the modes which couple strongly to electrons and hence can play an important role in the superconducting properties of the doped samples.

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Language(s): eng - English
 Dates: 2012
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 632847
ISI: 000304875600003
 Degree: -

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Title: Journal of Physics: Condensed Matter
Source Genre: Journal
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Pages: - Volume / Issue: 24 (25) Sequence Number: 252203 Start / End Page: - Identifier: ISSN: 0953-8984