Solid state synthesis and structural refinement of polycrystalline phases: Ca1-2xZr4M2xP6-2xO24 (M=Mo, x=0.1 and 0.3)
Solid state synthesis and structural refinement of polycrystalline phases: Ca1-2xZr4M2xP6-2xO24 (M=Mo, x=0.1 and 0.3)
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DOI：
10.1016/j.arabjc.2013.04.008
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发表时间：
2016-09-01
影响因子：
6
通讯作者：
Avasthi, Kalpana
中科院分区：
文献类型：
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作者：
Bohre, Ashish;Shrivastava, O. P.;Avasthi, Kalpana
根据固溶体的晶体数据确定了钼取代多晶磷酸锆钙（CZP）的结构。研究发现，钼可以负载到 CZP 配方中，含量高达约 5.81 wt.%（约 1.74 mol%），且三维骨架结构不会发生显着变化。使用通用结构分析系统 (GSAS) 编程研究了 Ca1-2xZr4M2xP6-2xO24（M=Mo，x = 0.1 和 0.3）相的晶体化学。Mo 取代的 CZP 相在空间群 R-3 和 Z = 6 中结晶。粉末衍射数据经过 Rietveld 精修，以获得令人满意的 R 因子结构收敛。 PO4 在红外 (IR) 区域的伸缩和弯曲振动已被指定。通过扫描电子显微镜 (SEM) 和能量色散 X 射线分析 (EDAX) 对样品进行了形态和成分分析。 (C) 2013 年由 Elsevier B.V. 制作和主办
The structure of molybdenum substituted Polycrystalline calcium zirconium phosphate (CZP) was determined on the basis of crystal data of solid solutions. It was found that up to similar to 5.81 wt.% (similar to 1.74 mol%), molybdenum could be loaded into CZP formulations without significant changes of the three-dimensional framework structure. The crystal chemistry of Ca1-2xZr4M2xP6-2xO24 (M=Mo, x = 0.1 and 0.3) phases has been investigated using General Structure Analysis System (GSAS) programming The Mo substituted CZP phases crystallize in the space group R-3 and Z = 6. Powder diffraction data have been subjected to Rietveld refinement to arrive at a satisfactory structural convergence of R-factors. The PO4 stretching and bending vibrations in the Infra red (IR) region have been assigned. Morphology and compositional analysis have been carried out by scanning electron microscopy (SEM) and Energy Dispersive X-ray Analysis (EDAX) of the specimens. (C) 2013 Production and hosting by Elsevier B.V.