Preparation of silver ion conducting polycrystals by mechanical milling process

被引：0

作者：

Shigematsu, T ^{[1
]}

Peng, H ^{[1
]}

Machida, N ^{[1
]}

机构：

[1] Konan Univ, Dept Chem, Kobe, Hyogo 6588501, Japan

来源：

APPLIED CRYSTALLOGRAPHY | 2001年

关键词：

D O I：

10.1142/9789812811325_0044

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

We applied, the ball-milling process to the preparation of the silver ion conductors, RbAg4I5, KAg4I5, NH4Ag4I5, and Ag7I4PO4. Only 45min ball milling of a mixture of Rbl and beta-AgI led to the formation of RbAg4I5 phase, and the obtained RbAg4I5 phase showed a high ion conductivity of 2.6 x10(-1)Scm(-1) at room temperature. The conductivity and the activation energy for conduction, which was obtained temperature dependence of conductivity, were almost same values reported by Owens [2], For the composition 80AgI . 20Ag(3)PO(4), which corresponds to that of Ag7I4PO4, ball milling for longer than 190h led to the formation of an unknown new crystalline phase, and the new phase showed a high ion conductivity of 6 x 10(-2) Scm(-1) at room temperature. The conductivity was higher than that of the crystalline Ag7I4PO4 phase which was reported by Takahashi [4].

引用

页码：288 / 292

页数：5

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