The compound Cr2TiO5 in the system Cr2O3TiO2 |
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Authors: | S. Kamiya S. Hirano S. Sōmiya |
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Affiliation: | Research Laboratory of Engineering Materials, Tokyo Institute of Technology, Ookayama, Meguro, Tokyo, Japan |
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Abstract: | The compound Cr2TiO5 could be synthesized as a stoichiometric single phase above 1660°C in air. Application of selected area electron diffraction, high resolution electron microscopy and powder X-ray diffraction studies showed that Cr2TiO5 is isomorphous with CrFeTiO5, with V3O5 type structure. It is monoclinic, a = 7.020(1)Å, b = 5.025(1)Å, c = 9.945(2)Å and β = 111.43(2)°. It was found that Cr2TiO5 is unstable relative to a mixture of Cr2O3 (ss) and a so-called “E” phase, below 1660°C. |
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