Abstract
An EPR study of fast Li + ion vitreous conductors belonging to the B 2O 3-Li 2O-LiCl system has been carried out. The samples have been subjected to X-ray irradiation at room temperature. Two types of paramagnetic centers have been observed. The first one is the Cl 2 - species (Vk center) present in the part of the vitreous domain which corresponds to low LiCl concentrations, it vanishes when Li + and Cl - begin to order. The second one is of the B.O.H.C. type often present in alkali borate glasses. Its presence shows the similarity between the boron-oxygen network of the alkali borate glasses and of our samples containing alkali chloride.
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