Reinvestigation of the crystal structure of Ca2Ce8(SiO4)6O2 apatite by Rietveld refinement

Massoni N.; Hegron R.; Campayo L.

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Reinvestigation of the crystal structure of Ca2Ce8(SiO4)6O2 apatite by Rietveld refinement

机译：通过Rietveld精修法重新研究Ca2Ce8（SiO4）6O2磷灰石的晶体结构

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Ca2Ln8(SiO4)6O2 apatites with Ln = La, Ce, Pr, Nd, Sm, Eu, Gd and Tb crystallize in space group P63/m. The crystal structure of apatite-type Ca2Ce8(SiO4)6O2 [dicalcium octacerium hexakis(silicate) dioxide], which has been synthesized by calcination, was refined from powder X-ray diffraction data using the Rietveld method. A database survey shows that contrary to the previously published Ca2Ce8(SiO4)6O2 structure [Skakle et al. (2000). Powder Diffr. 15, 234–238], the cell volume of the structure reported here is consistent with those of other Ln apatites.

机译：Ln = La，Ce，Pr，Nd，Sm，Eu，Gd和Tb的Ca2Ln8（SiO4）6O2磷灰石在空间群P63 / m中结晶。利用Rietveld法，通过粉末X射线衍射数据，对通过煅烧合成的磷灰石型Ca 2 Ce 8（SiO 4）6 O 2 [八钙六（硅酸）二钙二钙]的晶体结构进行了精制。数据库调查显示，与先前发布的Ca2Ce8（SiO4）6O2结构相反[Skakle等。（2000）。粉末扩散器。 [15，234–238]，此处报道的结构的细胞体积与其他Ln磷灰石的细胞体积一致。

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《Acta Crystallographica Section E: Crystallographic Communications》 |2018年第7期|共5页
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Massoni N.; Hegron R.; Campayo L.;
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中图分类晶体学;
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CRYSTAL STRUCTUREPOWDER DIFFRACTIONCERIUM CALCIUM SILICATE OXIDE APATITEREDETERMINATION;

机译：晶体结构粉末衍射硅酸钙钙的静电测定;

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机译：高热稳定性磷灰石磷光体？CA2LA8（SiO 4）602：DY3 + / SM3 +用于白光发射：合成，结构，发光性能和能量转移
2. Rietveld refinement, electronic structure and ionic conductivity of Sr4La6(SiO4)(6)F-2 and Sr4La6(SiO4)(6)O ceramics [J] . Boughzala Khaled, Debbichi Mourad, Njema Hela, Journal of Solid State Chemistry . 2016,第Null期

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6. Reinvestigation of the crystal structure of Ca2Ce8(SiO4)6O2 apatite by Rietveld refinement [O] . Nicolas Massoni, Ronan Hegron, Lionel Campayo 2018

机译：用Rietveld精修法重新研究Ca2Ce8（SiO4）6O2磷灰石的晶体结构
7. High Thermal Stability Apatite Phosphors Ca2La8(SiO4)6O2:Dy3+/Sm3+ for White Light Emission: Synthesis, Structure, Luminescence Properties and Energy Transfer [O] . Ning Liu, Lefu Mei, Libing Liao, 2019

机译：高热稳定性磷灰石磷光体CA2LA8（SiO4）602：DY3 + / SM3 +用于白光发射：合成，结构，发光性能和能量转移

Reinvestigation of the crystal structure of Ca2Ce8(SiO4)6O2 apatite by Rietveld refinement

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