Abstract

The compounds Cu 6 O 8 ·InCl and Li 1.23 Cu 6 O 8 ·InCl were prepared. The powder X-ray diffraction pattern shows that both phases have the same cubic structure with a =9.144(5) A. The introduction of Li + lowers the average valence of copper. Neither phase superconducts above 5 K. Measurements of magnetic susceptibility show ferrimagnetic behavior for both phases, with an onset temperature of 125 K for the copper phase and 75 K for the lithiated phase. The copper phase shows a constant magnetization over the range 125–50 K that may be due to a two-sublattice antiferromagnetic interaction.

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