Structural and spectroscopic study of NaSbR(PO4)3 (R = Cr, Fe, In) phases

被引：2

作者：

Aatiq, Abderrahim ^{[1
]}

Tigha, My Rachid ^{[1
]}

机构：

[1] Univ HassanII Mohammedia, Fac Sci Ben MSik, Dept Chim, Lab Physicochim Mat Appl, Casablanca, Morocco

来源：

POWDER DIFFRACTION | 2013年 / 28卷

关键词：

Antimony phosphate; Nasicon structure; Raman and IR spectroscopy; Rietveld analysis; THERMAL-EXPANSION; NASICON; NZP;

D O I：

10.1017/S0885715613000882

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Crystallographic structures of the three NaSbR(PO4)(3) (R = Cr, Fe, In) phases were determined at room temperature from X-ray powder diffraction (XRD) data using the Rietveld analysis. The three compounds belong to the Nasicon structural family. The presence of the (303) reflection in all XRD spectra of NaSbR(PO4)(3) shows clearly that all compounds crystallise in rhombohedral system with R (3) over bar space group. Na atoms are practically ordered within the two positions, 3a and 3b, of M1 sites. Structure refinements show also a partially-ordered distribution of Sb5+ and R3+ ions within the Nasicon framework. A Raman and Infrared spectroscopic study was used to obtain further structural information about the nature of bonding in NaSbR(PO4)(3) (R = Cr, Fe, In) phases.

引用

页码：S394 / S408

页数：15

共 15 条

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