On percolation phenomena in M1-xLnxF2+x (M = Ca, Sr, Ba, Pb; Ln = La, Y, Ce, etc.)

被引：0
|
作者：
Nan, C.-W. [1 ]
Yuan, R.-Z. [1 ]
机构：
[1] Wuhan Univ of Technology, Wuhan, China
来源：
Materials science & engineering. B, Solid-state materials for advanced technology | 1992年 / B13卷 / 03期
关键词：
Crystals - Defects - Percolation - Mathematical Models;
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学科分类号：
摘要：
The transport problem for the interstitial fluorine ions in M1-xLnxF2+x (M = Ca, Sr, Ba, Pb; Ln = La, Y, Ce, etc.) is discussed in terms of the percolation theory. An expression for the percolation threshold xc (i.e. the critical dopant amount of LnF3) is obtained and the theoretically predicted values of xc are found to be consistent with the experimental results. It appears that the percolation problem in M1-xLnxF2+x belongs to the same university class as the standard percolation problem.
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页码：225 / 227
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