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Infrared investigations or the one-dimensionalorganic condcutors (perylene)2M(mnt)2, M=Au, Pt

Drichko, N. D. ; Matos, M. ; Henriques, R. T. ; Almeida, M.

European Physical Journal B Vol. 78, Nº 3, pp. 283 - 289, December, 2010.

ISSN (print): 1434-6028
ISSN (online): 1434-6036

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The optical properties of the one-dimensional organic conductor (perylene)(2)Pt(mnt)(2) and its Au analogue have been investigated at ambient and low temperatures. The spectra along the stacks of the molecules show a simple Drude behavior with no detectable influence of electron-electron interactions. Basing on the spectra for different polarizations an assignment of the vibrational modes is made. Perpendicular to the stacks, a wide band observed in the mid-infrared range evidences a charge transfer between perylene and anion stacks. The electronic properties are discussed in comparison with other quasi-one-dimensional synthetic metals.