Abstract
Magnetic properties of α-CuV 2O 6 with linear chains of edge-sharing CuO 6 octahedra were studied by magnetic susceptibility and electron spin resonance measurements. The broad maximum of magnetic susceptibility at T M =44 K , corresponding to the intrachain exchange interaction J 1 =34 K , indicates one-dimensional short-range magnetic ordering within the chains. Three-dimensional long-range antiferromagnetic ordering takes place at T N =24 K suggesting a rather big value for the interchain exchange interaction J 2 ∼13 K . The 76 GHz energy gap, found in the antiferromagnetic resonance spectrum, agrees with the spin-flop magnetic field value of about 2.7 T.
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