ELECTRON SPECTROSCOPIC STUDIES OF THE ORGANIC CONDUCTORS DCNQI (N,N'-DICYANOQUINONEDIIMINE)-CU SALTS

We have carried out a comparative study of the electronic structure of in-situ synthesized quasi-one-dimensional organic conductors (DMe-DCN QI)(2)Cu and (MeBr-DCNQI)(2)Cu using various electron spectroscopic te chniques (UPS, XPS, and AES), where DMe-DCNQI and MeBr-DCNQI are 2,5-d imethyl-N,N'-dicyanoquinonediimine and 2,5-methyl,bromine-N,N'-dicyano quinonediimine, respectively. From these results, we discussed the dif ferences in electronic structures between two salts that lead to their different electrical and magnetic properties.