Synthesis and structural characterization of a new yttrium phosphate: Na_(2.5)Y_(0.5)Mg_7(PO_4)_6 with fillowite-type structure 被引量：2

Synthesis and structural characterization of a new yttrium phosphate: Na_(2.5)Y_(0.5)Mg_7(PO_4)_6 with fillowite-type structure

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摘要 A new phosphate, Na2.5Y0.5Mg7(PO4)6 was synthesized as single crystals by the flux method and as a powdered sample by the Pechini technique, and investigated by single crystal X-ray diffraction, charge distribution (CD) and 31P NMR spectroscopy. This compound crystallized in the rhombohedral space group R 3 and its equivalent hexagonal cell had the following parameters: a=1.4976(6) nm, c= 4.2599(7) nm, Z=18. The structure consisted of MgO5, MgO6, YO6, (Na,Y)O8 and NaOx (x=6, 7 and 9) polyhedra which were li... A new phosphate, Na2.5Y0.5Mg7(PO4)6 was synthesized as single crystals by the flux method and as a powdered sample by the Pechini technique, and investigated by single crystal X-ray diffraction, charge distribution (CD) and 31P NMR spectroscopy. This compound crystallized in the rhombohedral space group R 3 and its equivalent hexagonal cell had the following parameters: a=1.4976(6) nm, c= 4.2599(7) nm, Z=18. The structure consisted of MgO5, MgO6, YO6, (Na,Y)O8 and NaOx (x=6, 7 and 9) polyhedra which were li...

作者 Hasna Jerbi Mourad Hidouri Mongi Ben Amara

机构地区 R.U. Inorganic materials

出处《Journal of Rare Earths》 SCIE EI CAS CSCD 2010年第4期481-487,共7页 稀土学报（英文版）

关键词 PHOSPHATE fillowite X-ray diffraction 31P NMR spectroscopy rare earths phosphate fillowite X-ray diffraction 31P NMR spectroscopy rare earths

分类号 O613.62 [理学—无机化学]

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1MA Zhesheng 1 , SHI Nicheng 1 & YE Danian 2 1. China University of Geosciences, Beijing 100083, China,2. Institute of Geology, Chinese Academy of Sciences, Beijing 100029, China.Mineralogy and crystal structure determination of Mg-fillowite[J].Science China Earth Sciences,2005,48(5):635-646. 被引量：2

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Journal of Rare Earths

2010年第4期

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