Darstellungsmethoden und Kristallstrukturen quaternärer Chalkogenide, die Seltenerdmetalle und Münzmetalle enthalten : mit einem Appendix zu Alkalimetall Thiotelluraten

  • Babo, Jean-Marie
Publication date
June 2015

Abstract

The main purpose of this work was to extend the knowledge about quaternary rare-earth metal coinage-metal chalcogenides containing alkali-metals toward heavy chalcogens, and then to explore the possibility of accommodating other possible metal(I)-cations instead of the alkalimetals. While some new quaternary structures occurred with tellurium, many isostructural compounds to RbAg3Sm2Se5 could be reproduced with selenium and sulfur by substituting not only the coinage-metal but also the alkali-metals. A substitution of alkali-metal with the pseudo-alkali-metal thallium(I) was successful with copper as coinage-metal. Thus, not only the alkali-metal character of the thallium(I) was confirmed but further properties typical for the new quaternar...

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