Abstract

The synthesis of CaCu 3Cr 4O 12 has been accomplished at a pressure of 60 kbar. Analysis of single crystal X-ray diffraction data demonstrates that this compound is isostructural with CaCu 3Ti 4O 12. The electrical resistivity data for CaCu 3Cr 4O 12 show metallic behavior, and the magnetic susceptibility indicates delocalized electrons for both Cr and Cu. The Cu–O and Cr–O bond distances give fractional valences of Cu 2.45 and Cr 3.66, thus indicating both Cu and Cr 3d states at the Fermi level.

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