Abstract
The crystal structure of synthesized Mg0.946Cu2.054O3 compound was examined using Rietveld refinement of powder X-ray diffraction (XRD), revealing the presence of antisite defects in the form of substitution occupation of Mg atomic sites by Cu atoms upto ∼9 %. Detailed investigation by magnetic measurements around antiferromagnetic Néel transition around 95 K and below hints at the existence of paramagnetic component and short-range order due to presence of antisite defects, which is further supported by specific heat measurements.
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