We report an unusual magnetic pole inversion behaviour in multiferroic BiFeO3–xDyFeO3 solid solution, which can be tuned by varying the concentration of the magnetic ion Dy in the solid solution. It is found that the temperature-induced magnetic pole inversion occurs in a wide composition range (x = 0.14–0.90). Moreover, multiple magnetic pole inversions are observed in the solid solution compounds of high Dy-concentrations.
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