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In this paper,the authors used the MixedCoordination EXAFS Analysis Method recentlypublished and IR to study the mixed coordination ofGe in glasses of Li_2O-ZnO-GeO_2 system,a new kindof syperionic conductor.The results show that whenthe content of ZnO is fixed,the ratio of [GeO_6]units is increased with the addition of Li_2O untilthe content of Li_2O is about 15%,and thendecreased.The relationship between the ratio of[GeO_6]and the content of Li_2O is consistent withthose between n,d of glass and Li_2O content,Therefore the germanium abnormalty can be explainedas the change of coordination number.
In this paper, the authors used the MixedCoordination EXAFS Analysis Method recentlypublished and IR to study the mixed coordination ofGe in glasses of Li 2 O-ZnO-GeO 2 system, a new kind of syperionic conductor.The results show that whenthe content of ZnO is fixed, the ratio of [GeO_6] units is increased with the addition of Li_2O until the content of Li_2O is about 15%, and then decreased. The relationship between the ratio of [GeO_6] and the content of Li_2O is consistent with those between n, d of glass and Li_2O content Therefore the germanium abnormalty can be explained as the change of coordination number.