Article Dans Une Revue Synthetic Metals Année : 1991

NMR study of (TMTTF)2Br

Résumé

We present 13C spin-lattice relaxation time and EPR susceptibility measurements on selectively enriched single crystals of (TMTTF)2Br over a wide temperature domain. These are shown to satisfy 1D dynamic scaling for the existence of 1D paramagnons and antiferromagnetic correlations up to room temperature. Applied to bromide salt which undergoes a Mott-Hubbard localization under 100K, our approach confirms the spin-charge separation predicted for the 1D correlated electron gas model and provides a qualitative evaluation of the amplitude of AF fluctuations.

Dates et versions

hal-04944303 , version 1 (13-02-2025)

Identifiants

Citer

P. Wzietek, C. Bourbonnais, F. Creuzet, D. Jérôme, K. Bechgaard. NMR study of (TMTTF)2Br. Synthetic Metals, 1991, 42 (1-2), pp.1735-1739. ⟨10.1016/0379-6779(91)91942-4⟩. ⟨hal-04944303⟩
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