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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >A BARIUM COPPER TITANATE - THE SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF BA8CU2TI22O54
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A BARIUM COPPER TITANATE - THE SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF BA8CU2TI22O54

机译:钛酸钡铜-BA8CU2TI22O54的合成与结构表征

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The barium copper titanate compound Ba8Cu2Ti22O54 1, was obtained in a crystalline form by heating a mixture of BaCOS3 CuO, and TiO2 at 1380 degrees C for 48 h. Compound 1 was characterized by single crystal X-ray diffraction methods. There are ten independent transition metal sites in the lattice. In nine of these sites the metal ions are surrounded by six oxide ions in octahedral arrangements. The one remaining metal site is surrounded by a square pyramidal arrangement of five oxide ions with a sixth remotely positioned oxide ion. This site contains approximately 39% of the copper contained in the material. The remainder of the copper appears to be disordered uniformly among the octahedral metal sites. (C) 1997 Elsevier Science Ltd. [References: 17]
机译:通过在1380℃下加热BaCOS3 CuO和TiO2的混合物48小时,以结晶形式获得钛酸钡铜化合物Ba8Cu2Ti22O54 1。化合物1通过单晶X射线衍射法表征。晶格中有十个独立的过渡金属位点。在这些位置的九个中,金属离子被八面体排列的六个氧化物离子包围。剩下的一个金属位点被五个氧化物离子和一个第六个位置较远的氧化物离子的方形锥体排列所包围。该位置包含材料中约39%的铜。其余的铜似乎在八面体金属位点之间均匀无序。 (C)1997 Elsevier Science Ltd. [参考:17]

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