Abstract:
An investigation of the different contributions leading to charge localization in a 1/2 or 1/4 filled band 1D conductor has been conducted through a study of transport properties in the solid solution [(TMTSF)1-x (TMTTF) x]2ReO4. The existence of an ordering transition of the anions allows to identify two contributions to the electronic potential with wave vector 4kF. A dominant on-site 4kF potential besides the bond contribution is revealed when Umklapp scattering is pertinent via the weakening of the localization arising at the (0, 1/2, 1/2) anion ordering which is stabilized under pressure in the compound [(TMTSF) 0.5 (TMTTF)0.5]2ReO4 at variance with the enhancement of localization observed in the homomolecular (TMTTF)2ReO 4 material.
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Received: 13 May 1998 / Revised: 8 July 1998 / Accepted: 9 July 1998
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Auban-Senzier, P., Lenoir, C., Batail, P. et al. Charge localization in organic conductors (TM)X: The influence of anion ordering. Eur. Phys. J. B 7, 529–532 (1999). https://doi.org/10.1007/s100510050645
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DOI: https://doi.org/10.1007/s100510050645