Transport properties of solid solutions of хKYF4–(1–х)PbF2 system

被引：0

作者：

Pogorenko Y.V. ^{[1
]}

Pshenichnyi P.N. ^{[1
]}

Omel’chuk A.A. ^{[1
]}

Trachevskii V.V. ^{[2
]}

机构：

[1] Vernadsky Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, Kyiv

[2] Kurdyumov Institute for Metal Physics, National Academy of Sciences of Ukraine, Kyiv

来源：

Pogorenko, Yu. V. (pogorenko1991@mail.ru) | 1600年 / Allerton Press Incorporation卷 / 53期

关键词：

!sup]19[!/sup]FNMR spectra; conductivity; solid fluoride ion conducting electrolytes; solid solutions; transport numbers;

D O I：

10.3103/S1068375517060072

中图分类号：

学科分类号：

摘要：

In the system (1–x)PbF2–xYF3–xKF, solid solutions of aliovalent substitution with fluorite structure at 0.47 < x < 0.69 are formed, in which the fluorine ions are found to be in three structurally nonequivalent positions that differ in the local environment and mobility. There are immobile, locally mobile, and highly mobile anions. The conductivity of the synthesized polycrystalline samples is ensured by highly mobile interstitial fluoride ions, whose concentration and hence electrical conductivity increase on heating. The contribution of the surface conductivity of crystallites is not detected. The electronic component is two orders of magnitude lower than the ionic one. © 2017, Allerton Press, Inc.

引用

页码：533 / 541

页数：8

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