Metallic conductivity in a disordered charge-transfer salt derived from cis-BET-TTF

被引:17
作者
Rovira, C
Tarres, J
Ribera, E
Veciana, J
Canadell, E
Molins, E
Mas, M
Laukhin, V
Doublet, ML
Cowan, DO
Yang, S
机构
[1] RUSSIAN ACAD SCI,INST CHEM PHYS,CHERNOGOLOVKA 142432,MD,RUSSIA
[2] UNIV MONTPELLIER 2,CNRS,LAB STRUCT & DYNAM,F-34095 MONTPELLIER,FRANCE
[3] JOHNS HOPKINS UNIV,DEPT CHEM,BALTIMORE,MD 21218
关键词
organic superconductors; electron spin resonance; X-ray diffraction; conductivity; electronic band structures;
D O I
10.1016/S0379-6779(97)81068-5
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The first example of a metallic charge-transfer salt derived from cis-bis(ethylenethio)-tetrathiafulvalene (BET-TTF) is reported. (BET-TTF)(2)SCN and (BET-TTF)SCN salts were obtained by electrocrystallization starting from trans-BET-TTF. X-ray crystal structure of the mixed-valence salt revealed that trans-cis isomerization occurs upon one electron oxidation. In spite of the structural disorder in both BET-TTF and the counterion, 2:1 salt is metallic down to 60K and then resistance increases slowly down to 4K.
引用
收藏
页码:2145 / 2146
页数:2
相关论文
共 8 条
[1]   TRANS-CIS ISOMERIZATION UPON ONE-ELECTRON OXIDATION OF [12]TETRATHIAFULVALENOPHANE AND [14]TETRATHIAFULVALENOPHANE [J].
BOUBEKEUR, K ;
LENOIR, C ;
BATAIL, P ;
CARLIER, R ;
TALLEC, A ;
LEPAILLARD, MP ;
LORCY, D ;
ROBERT, A .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1994, 33 (13) :1379-1381
[2]   (DTEDT)[AU(CN)(2)](0.4) - AN ORGANIC SUPERCONDUCTOR BASED ON THE NOVEL PI-ELECTRON FRAMEWORK OF VINYLOGOUS BIS-FUSED TETRATHIAFULVALENE [J].
MISAKI, Y ;
HIGUCHI, N ;
FUJIWARA, H ;
YAMABE, T ;
MORI, T ;
MORI, H ;
TANAKA, S .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1995, 34 (11) :1222-1225
[3]   SYNTHESIS OF SEVERAL ISOMERIC TETRATHIAFULVALENE PI-ELECTRON DONORS WITH PERIPHERAL SULFUR-ATOMS - A STUDY OF THEIR RADICAL CATIONS [J].
ROVIRA, C ;
VECIANA, J ;
SANTALO, N ;
TARRES, J ;
CIRUJEDA, J ;
MOLINS, E ;
LLORCA, J ;
ESPINOSA, E .
JOURNAL OF ORGANIC CHEMISTRY, 1994, 59 (12) :3307-3313
[4]   CHARGE-TRANSFER SALTS BASED ON BET-TTF AND THE LINEAR IONS AUX(2)(-) (X=BR, I) [J].
ROVIRA, C ;
VECIANA, J ;
TARRES, J ;
MOLINS, E ;
MAS, M ;
COWAN, DO ;
YANG, S .
SYNTHETIC METALS, 1995, 70 (1-3) :883-886
[5]  
ROVIRA MC, 1995, ADV MAT, V2, P1023
[6]  
SAITO G, 1990, PHYSICS CHEM ORGANIC
[7]   A NEW FAMILY OF MOLECULAR-METALS BASED OIL BIS(ETHYLENETHIO)TETRATHIAFULVALENE (BET-TTF) AND OCTAHEDRAL COUNTERIONS [J].
TARRES, J ;
SANTALO, N ;
MAS, M ;
MOLINS, E ;
VECIANA, J ;
ROVIRA, C ;
YANG, SL ;
LEE, H ;
COWAN, DO ;
DOUBLET, ML ;
CANADELL, E .
CHEMISTRY OF MATERIALS, 1995, 7 (08) :1558-1567
[8]  
Williams J. M., 1992, Organic Superconductors (Including Fullerenes): Synthesis, Structure, Properties, and Theory