ChemInform Abstract The title compounds are prepared from the elements in evacuated quartz ampoules, which are heated to 1150-1350 K. The temp. dependences of the specific electric conductivities, of the Hall coefficients and of the thermoelectromotive forces are determined between 150 and 950 K. Furthermore the width of the forbidden zone, the microhardness, the pyknometric density and the lattice parameters are determined.

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Das Zustandsdiagramm des Systems ist von eutektischem Typ mit breiten Mischkristallbereichen.