Electrical conductivities of molten mixtures AgCl1-x-Brx were measured at different temperatures. No influence of dissolved silver on the conductivity could be detected. The apparent energy of activation does not depend linearly on x. The optical spectra of molten mixtures AgCl1-x-Brx show a flat absorption edge which can be treated by the formalism of Urbach. The energy gap of the indirect transition can be evaluated as a function of x. In metal-containing mixtures, the edge is slightly red shifted. This red shift can be attributed to a new absorbing species. The results make it likely that the interaction between the dissolved metal and the melt is of the charge transfer type
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A Journal of Physical Sciences: Zeitschrift für Naturforschung A (ZNA) is an international scientific journal which publishes original research papers from all areas of experimental and theoretical physics. In accordance with the name of the journal, which means “Journal for Natural Sciences”, manuscripts submitted to ZNA should have a tangible connection to actual physical phenomena.