Internal friction and electrical conductivities were measured on lithium chloroborate glasses.Two peaks were obtained in the internal friction temperature curves.The low temperature peaks caused by the movement of Li shifted to the lower temperature side with the increase of Cl ions.The ionci conductivity was increased and the activation energy was decreaed with adding cl ions.It was suggested that a mixed anion effect appeared in the low temperature peak behaviour.The peak appeared at about 150 deg,shifed to the lower temperature side and became larger with adding C ions.It is considered that the higher temperature peak was due to the movement of Cl ions.
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