Mixed ion effect in Li/Na-NaZr2(PO4)3

被引：2
|
作者：
Inoue, N [1 ]
Oiwa, K [1 ]
机构：
[1] Ehime Univ, Fac Sci, Dept Phys, Matsuyama, Ehime 7908577, Japan
来源：
SOLID STATE IONICS | 2002年 / 154卷
关键词：
conductivity; hexagonal parameters; Li-7 and P-31 MAS NMR; Li/Na mixed ion effect;
D O I：
10.1016/S0167-2738(02)00453-8
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The mixed ion effect (MIE) in Li/Na-NaZr2(PO4)(3) with a three-dimensional diffusion path was observed. The conductivity minimum at an ionic ratio 0.8 was lower by about three orders of magnitude than for either end member. Hexagonal parameters a, c and Li-7 MAS/NMR spectral intensity against the ionic ratio showed a linear change. The spectral width of P-31 MAS NMR at chemical shift 5.9 ppm against the ionic ratio showed a minimum at the same ionic ratio with the conductivity data. The behavior suggests that the conductivity minimum results from the inhomogeneous distribution of two unlike ions and a blocking of diffusion path. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：729 / 734
页数：6
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