Studies on the V?Ti?O system obtained by thermal decomposition of vanadyl and titanyl oxalates in argon atmosphere |
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| Authors: | S V Bogdanov A P Shepelin V I Kovalchuk E M Moroz P A Zhdan Yu A Ryndin B N Kuznetsov and Yu I Yermakov |
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| Institution: | (1) Institute of Chemistry, A. Mickiewicz University, Poznan, Poland |
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| Abstract: | The V–Ti–O system as a product of thermal decomposition of vanadyl and titanyl oxalates at 873 and 1173 K in argon atmosphere was studied by X-ray diffraction and infrared spectroscopy. The results obtained, the analysis and surface measurement data suggest that a V3+–V4+–Ti4+–O solid solution is formed. Spectroscopic measurements reveal the presence of a V=O bond in the system obtained at 873 K.
       V–Ti–O,                     873  1173    - .  ,  , V+3–V+4–O  . V=O , 873 .
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