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ChemInform Abstract: Synthesis and Crystal Structure of the A6B5O18 Perovskite-Like Compounds. |
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| Authors: | V V Polubinskii Y A Titov N M Belyavina V Ya Markiv M S Slobodyanik V V Chumak O I Nakonechna |
| Institution: | Taras Shevchenko Natl. Univ., Kiev 01601, Ukraine |
| Abstract: | Single phase Ba5KNb5O18 (I) is prepared by solid state reaction of Ba5Nb4O15 and KNbO3 (1370 K, 2 h), while Sr6Nb4SnO18 (II) results from calcination of the coprecipitated metal hydroxycarbonates (1570 K, 2 h). |
| Keywords: | structure (solids and liquids) electric properties superconductors semiconductors niobium Nb tin Sn alkaline earth metals |