Stable molecular metals based on a novel unsymmetrical diselenadithiafulvalene
Abstract
Novel unsymmetrical π-electron donors have been synthesized and electrical conductivities of their radical cation salts have been studied: among them 4,5-ethylenedithio-4′,5′-(isopropylidenemethylenedithio)diselenadithiafulvalene salts are all metallic down to 4.2 K, and exhibit two-dimensional nature in the anisotropy of the conductivity.