Conductors based on metal-bisdicyanobenzodithiolate complexes

The physical properties of the partially oxidised complexes [( n-Bu) 4N] 2 [M(dcbdt) 2] 5with M=Au and Ni (dcbdt=4,5-dicyanobenzene-1,2-dithiolate) are compared and related to the different electronic bandfilling and their slightly different structure. Both compounds present a triclinic structure, s...

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Published inSynthetic metals Vol. 133; pp. 397 - 399
Main Authors Alves, H., Santos, I.C., Lopes, E.B., Belo, D., Gama, V., Simão, D., Novais, H., Duarte, M.T., Henriques, R.T., Almeida, M.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 13.03.2003
Subjects
Metal-bisdithiolene complexes
Molecular conductors
Molecular conductors
Metal-bisdithiolene complexes
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Summary:The physical properties of the partially oxidised complexes [( n-Bu) 4N] 2 [M(dcbdt) 2] 5with M=Au and Ni (dcbdt=4,5-dicyanobenzene-1,2-dithiolate) are compared and related to the different electronic bandfilling and their slightly different structure. Both compounds present a triclinic structure, space group P-1, with pentamerised segregated stacks of the complex along [-2 1 0]. The lower electrical conductivity with a larger activation energy, as well as the larger magnitude of thermopower and paramagnetic susceptibility, of the Ni compound are a consequence of both its different electronic bandfilling and more pronounced modulation of the stacking.
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(02)00411-3