ChemInform Abstract: Magnetic Properties of Pr2Co17-xAlx and Y2Co17-xAlx.
Abstract
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ChemInform Abstract
Magnetic measurements on the title compounds with 0 ≤ x ≤ 4 show a sign reversal of the magnetocrystalline Co-sublattice anisotropy from easy-plane for low Al concentrations to easy-axis anisotropy for higher Al concentrations. The competition between Pr- and Co-sublattice anisotropies in Pr2Co17-xAlx leads to spin- reorientation transitions at temp. decreasing strongly with increasing Al concentration. The Curie temp. decreases almost linearly with the Al concentration. The decrease of the saturation moments at 5 K with increasing Al content is less strong for the Pr compound.
