Abstract

The specific heat of DyVO 4 has been measured in the temperature range 1–20 K. Two anomalies are observed; one at a temperature of 14.0 K corresponding to a crystallographic distortion and the second at 3.07 K attributable to antiferromagnetic ordering. Analysis of the curve, together with the results of magnetic moment measurements, has enabled an evaluation of the exchange interactions between neighbouring Dy 3+ ions to be made.

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