THE SYNTHESIS AND PROPERTIES OF NEW COMPOUNDS ON THE BASE OF RARE LAND ELEMENTS
The sulfides of MCuSbS3 and MCuBiS3 (M=Pb, Eu, Yb) kind have been synthesized for the first time and their some physico-chemical properties have been studied. It has been determined that obtained compounds crystallize in rhomb: PbCuSbS3 – а=8.160, b=8.72, с=7.8 Å; EuCuSbS3 – а=8.156, b=8.68, с=7.786 Å; YbCuSbS3 – а=8.15, b=8.64, с=7.76 Å; EuCuBiS3 – а=11.28, b=11.62, с=4.00 Å; YbCuBiS3 – а=11.26, b=11.58, с=3.96 Å. The thermodynamics functions of obtained compounds have been calculated by calculation method
Keywords : quaternary sulfides, rare land elements, thermodynamics functions
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