Article Dans Une Revue Journal de Physique IV Proceedings Année : 2004

Longitudinal and transverse transport of the quasi-one dimensional organic conductor TMTTF2PF6studied under high pressure

Denis Jerome
J M Fabre
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Résumé

We report the first extensive study of longitudinal (ρ a ) and transverse (ρ c ) transport properties versus temperature of the organic quasi one dimensional conductor TMTTF 2 PF 6 over the pressure domain extending from ambient up to 26 kbar. The dimensional cross over observed around 14 kbar separates a 1D region dominated by the Mott-Hubbard gap with activated transport at low pressure from a 3D domain where the temperature range of the metallic behavior, extends up to room temperature along the chains and is progressively increased towards high temperatures in the c direction. In the 1D regime, the different activations obtained from ρ a (T) and ρ c (T) data suggest two different modes of conduction in the longitudinal and transverse directions.

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hal-05000312 , version 1 (21-03-2025)

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P Auban-Senzier, Denis Jerome, C Carcel, J M Fabre. Longitudinal and transverse transport of the quasi-one dimensional organic conductor TMTTF2PF6studied under high pressure. Journal de Physique IV Proceedings, 2004, 114, pp.41 - 44. ⟨10.1051/jp4:2004114007⟩. ⟨hal-05000312⟩
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