New complex silver-scandium vanadates

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• 作者：O. I. Solov’ev (1261)
  D. A. Rusakov (2261)
  A. A. Filaretov (3261)
  L. N. Komissarova (2261)
  
• 关键词：silver ; scandium ; complex orthovanadates ; new compounds ; solid ; state synthesis ; layered structures ; framework structures
• 刊名：Russian Chemical Bulletin
• 出版年：2012
• 出版时间：October 2012
• 年：2012
• 卷：61
• 期：10
• 页码：1877-1881
• 全文大小：183KB
• 参考文献：1. I. A. Bondar- N. V. Vinogradova, L. N. Dem’yanets, / Soedineniya RZE: silikaty, fosfaty, arsenaty, vanadaty [ / Rare Earth Compounds Silicates, Phosphates, Arsenates, Vanadates], Nauka, Moscow, 1983, 288 pp. (in Russian).
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• 作者单位：O. I. Solov’ev (1261)
  D. A. Rusakov (2261)
  A. A. Filaretov (3261)
  L. N. Komissarova (2261)
  
  1261. Department of Materials Science, M. V. Lomonosov Moscow State University, 1-B Leninskie Gory, 119992, Moscow, Russian Federation
  2261. Department of Chemistry, M. V. Lomonosov Moscow State University, Build. 3, 1 Leninskie Gory, 119992, Moscow, Russian Federation
  3261. A. V. Shubnikov Institute of Crystallography, Russian Academy of Sciences, 59 Leninsky prosp., 119333, Moscow, Russian Federation
  

文摘

New complex silver-scandium vanadates, Ag3Sc(VO4)2, AgBaSc(VO4)2, and Ag3Sc2(VO4)3, were synthesized, and their crystallographic parameters were determined. The products synthesized by different methods were studied by X-ray powder diffraction, electron-probe X-ray microanalysis, and ESR. Based on these data, the synthetic procedures were optimized. The thermal properties of complex vanadates were studied by DTA. The compounds AgBaSc(VO4)2 and Ag3Sc2(VO4)3 were shown to exhibit polymorphism. The compounds Ag3Sc(VO4)2, AgBaSc(VO4)2, and Ag3Sc2(VO4)3 decompose at 760, 780, and 960 °C. respectively.