Abstract
The new ternary compound Th3Co3Sb4 was synthesized by arc melting. The compound crystallizes in the cubic space group I-43d (No. 220) with a=9.572(2) Å and adopts the Y3Au3Sb4 structure, which is a filled version of the Th3P4 structure type. The crystal structure was solved and refined with single-crystal X-ray diffraction. Final R1/Rw2=1.52/3.73%. Th3Co3Sb4 is a metallic ferromagnet at room temperature. Electrical conductivity and thermoelectric power measurements show metallic behavior, which is also predicted by the electronic band structure calculations.
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