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首页> 外文期刊>Journal of the Brazilian Chemical Society >X-ray diffraction and IR spectroscopic characterization of AgLnIII TiO4 oxides related to the K2NiF4 structural type
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X-ray diffraction and IR spectroscopic characterization of AgLnIII TiO4 oxides related to the K2NiF4 structural type

机译:与K2NiF4结构类型有关的AgLnIII TiO4氧化物的X射线衍射和IR光谱表征

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Ternary oxides of the type AgLnIII TiO4 (with Ln = La, Nd, Sm, Eu, Gd, Dy, Y) have been prepared and their unit cell parameters determined by X-ray powder diffractometry. They are related to the K2NiF4 structural type, with the AgI and LnIII cations distributed in an ordered way on the K-sub lattice. The infrared spectra of these materials were recorded and discussed on the basis of their structural peculiarities and by comparison with those of related oxides. They show a close relationship with the parent NaLnIII TiO4 materials.
机译:制备了AgLnIII TiO4型三元氧化物(Ln = La,Nd,Sm,Eu,Gd,Dy,Y),并通过X射线粉末衍射法确定了其晶胞参数。它们与K2NiF4结构类型有关,其中AgI和LnIII阳离子以有序方式分布在K-sub晶格上。记录并讨论了这些材料的红外光谱,并根据其结构特点并与相关氧化物进行了比较。它们与母体NaLnIII TiO4材料显示出密切的关系。

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