J. Phys. I France
Volume 3, Numéro 1, January 1993
Page(s) 171 - 201
DOI: 10.1051/jp1:1993123
J. Phys. I France 3 (1993) 171-201

Nuclear relaxation and electronic correlations in quasi-one-dimensional organic conductors. II. Experiments

P. Wzietek1, 2, F. Creuzet1, C. Bourbonnais1, 2, D. Jérome1, K. Bechgaard3 and P. Batail1

1  Laboratoire de Physique des Solides, Université de Paris-Sud, bât. 510, 91405 Orsay, France
2  Centre de Recherche en Physique du Solide, Université de Sherbrooke, Sherbrooke, Québec, Canada J1K-2R1
3  H. C. Oersted Institute, DK-2100 Copenhagen, Denmark

(Received 22 April 1992, accepted in final form 4 September 1992)

In this paper we collect and detail recent results concerning 77Se and 13C nuclear relaxation rate measurements obtained on several representatives of the (TMTSF) 2X and (TMTTF) 2X series of charge transfer salts as a function of temperature and hydrostatic pressure. From the temperature and pressure dependences of T-11, for the compounds (TMTTF) 2PF 6, (TMTTF) 2Br, (TMTSF) 2PF 6 and (TMTSF) 2ClO 4, we are in a position to extract the nature, the amplitude, the statics, the dynamics and finally the dimensionality of spin correlations that characterize the unified phase diagram of both series of materials.

76.60E - 74.70K - 75.40E - 75.50E

© Les Editions de Physique 1993

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