(TM)(2)X ORGANIC SUPERCONDUCTORS - INTERPLAY BETWEEN 1-D CHARGE LOCALIZATION AND HIGHER DIMENSIONALITY CROSS-OVER

Authors
JEROME D AUBANSENZIER P BALICAS L BEHNIA K KANG W WZIETEK P BERTHIER C CARETTA P HORVATIC M SEGRANSAN P HUBERT L BOURBONNAIS C
Citation
D. Jerome et al., (TM)(2)X ORGANIC SUPERCONDUCTORS - INTERPLAY BETWEEN 1-D CHARGE LOCALIZATION AND HIGHER DIMENSIONALITY CROSS-OVER, Synthetic metals, 70(1-3), 1995, pp. 719-725
Citations number
36
Categorie Soggetti
Physics, Condensed Matter","Metallurgy & Metallurigical Engineering
Journal title
Synthetic metals → ACNP
ISSN journal
03796779
Volume
70
Issue
1-3
Year of publication
1995
Pages
719 - 725
Database
ISI
SICI code
0379-6779(1995)70:1-3<719:(OS-IB>2.0.ZU;2-N
Abstract
A survey of transport and magnetic properties of the (TM)(2)X series t ogether with a recent investigation in high magnetic fields shows that the charge localization occurring at low temperature in a 1-D half-fi lled band is suppressed by the 1-D to 2-D (3-D) cross-over in selenium compounds. However, a localization around 30 K in the non-ordered pha se can be reactivated by the application of a high transverse magnetic field. The intermediate (strong) coupling limit is valid for the spin degree of freedom whereas the charge is governed by the strength of t he Umklapp scattering varying by a large factor from sulfur to seleniu m compounds and under pressure.