Journal
SYNTHETIC METALS
Volume 133, Issue -, Pages 449-451Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0379-6779(02)00268-0
Keywords
BEDT-TTF; TCNQ; synthetic metal; resistivity anomaly; band calculation
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A new phase of (BEDT-TTF)(TCNQ) has been obtained from a CH2Cl2 solution containing BEDT-TTF (bis(ethylenedithio)tetrathiafulvalene), TCNQ (tetracyanoquinodimethane), and tetraiodoethylene by slow evaporation of the solvent. The X-ray crystal structure analysis, electrical resistivity as well as ESR measurements, and tight-binding band calculation were performed on this phase. This phase shows metallic resistivity behaviour down to the lowest temperature with three anomalies around 170, 80 and 20 K. The ESR measurement suggests that the resistivity anomaly at 20 K is coupled with a magnetic ordering. The band calculation reveals that the Fermi surfaces have rectangular cross-sections. (C) 2002 Elsevier Science B.V. All rights reserved.
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