NILGES, Tom; BAWOHL, Melanie; MESSEL, Julia; OSTERS, Oliver

doi:10.1002/zaac.200900425

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NILGES, Tom
Institut für Anorganische und Analytische Chemie
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

BAWOHL, Melanie
Institut für Anorganische und Analytische Chemie

MESSEL, Julia
Institut für Anorganische und Analytische Chemie

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Journal of Inorganic and General Chemistry / Zeitschrift für anorganische und allgemeine Chemie. 2010, vol. 636, n° 1, p. 15-18

Wiley-VCH Verlag

Resumen en inglés

Recent progress in the field of silver(I)-chalcogenide halides and silver(I)-polychalcogenide halides led to the discovery of a reasonable number of new phases, solid solutions and even a new substance class of materials with favorable electronic and thermoelectric properties. Most of these new compounds are characterized by a pronounced ion mobility, polymorphism, and complex structures, which result in severe problems during the structure solution, the refinement, and even the description of the crystal structures. Herein we report on a very simple but effective building principle and a topological structure approach, which are both based on the separate description of anion substructures and the introduction of discrete building blocks. Such a topological principle helps to understand the complex structural relations and allows one to discuss all known chalcogenide and polychalcogenide halides in a continuous sequence of compounds. Following this principle it is possible to understand physical properties and to predict new phases in the system.< Leer menos

Palabras clave en inglés

Silver

Chalcogens

Chalcogenide halides

Polychalcogenide halides

Structure topology

Ion mobility

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Structure topology in silver(I)-(poly)chalcogenide halides : a helpful tool to understand structure relations and properties

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