La3+ diffusion in the NASICON-type compound La1/3Zr2(PO4)3:: X-ray thermodiffraction, 31P NMR, and ionic conductivity investigations

被引：15

作者：

Barre, M.

Le Berre, F.

Crosnier-Lopez, M. P.

Bohnke, O.

Emery, J.

Fourquet, J. L.

机构：

[1] Univ Maine, Lab Oxydes & Fluorures, CNRS, UMR 6010,Lab Phys Etat Condense,UMR 6087, F-72085 Le Mans 9, France

[2] Univ Maine, CNRS, FR 2575, Inst Rech Ingn Mol & Mat Fonct, F-72085 Le Mans, France

来源：

CHEMISTRY OF MATERIALS | 2006年 / 18卷 / 23期

关键词：

D O I：

10.1021/cm061610m

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 NASICON-type compound La1/3Zr2(PO4)(3) has been studied by thermal X-ray diffraction. It was found to exhibit, around 1000 degrees C, a reversible phase transition from P (3) over barh to P (3) over bar c1 due to a modification of the lanthanum distribution in the [Zr-2(PO4)(3)](-) network. This evolution was confirmed by P-31 NMR experiments performed on quenched La1/3Zr2(PO4)(3) samples (T = 700 and 1000 degrees C) and compared to room-temperature results. To complete this study, impedance spectroscopy measurements were carried out between 330 and 730 degrees C, confirming the La3+ mobility in the NASICON network.

引用

页码：5486 / 5491

页数：6

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