Production of skutterudite

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The subject matter of the invention is the effective and robust production of the thermoelectric material with a defined [...]material stoichiometry . This material composition can be dispensed with for the production of the preliminary products [...] here to. During the cleaning process by an integrated [...] is Supports this. The procedure chain[...] R i Sy A4 is for the 12-y optimized B, here is at least one element from the group of rare earths (in particular Ce) R and/or the group 1 and 2 (in particular Ba) and 13 and how from the group (in particular In) S y.