リン酸塩ガラスを用いた銅イオン高導電体に対するハロゲンの効果(不純物・欠陥・分相)(<特集>ガラス・アモルファス材料及びその材料科学の進展)

概要

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Total electrical conductivity depends on both the content of cuprous ions and of the halide ions in the glass. Considerably large electronic conductivity of the glasses suggests that hopping conduction between Cu^+ and Cu^<2+> is likely to occur. Contribution of the halide ions to the electrical conductivity can be explained that they drastically increases the mobility of carrier, both ionic and electronic ones. It is suggested from IR spectra that the structure of glasses consists mainly of metaphosphate chains. The halide anions remaining outside the phosphate chain will enhance the movements of the carrier by forming the pair of Cu^+ ion with them.
社団法人日本セラミックス協会の論文
1989-03-01