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By combining common transition metal chlorides and 1,2,4-1H-triazole under a range of different conditions, the research group of Prof. Dr. Klaus Müller-Buschbaum (Institut für Anorganische Chemie) has realised a library of compounds with potential use as dielectric elements in electronics. The compounds prepared, with diverse structures from discrete complexes to extended coordination polymers, were shown to have dielectric properties ranging from "low-k" to "high-k". So-called "low-k" dielectric materials are expected to be important components as microscopic insulators in future electronic devices, and high-k materials have the potential to gate microcurrents.