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Magnetic characterization of Zr(Cr1-xCux)2 alloys and their hydrides

Magnetization measurements were carried out on the alloys Zr(Cr1-xCux)2 before and after hydrogenation. All the bibary and the ternary alloys as well as their hydrides exhibit a temperature independent Pauli type of paramagnetism. Beside the Pauli paramagnetism, a ferromagnetic contribution to the total magnetization was observed for the most of the alloys and their hydrides. It was also observed that hydrogen absorption enhanches the Pauli paramagnetism as well as the ferromagnetism of the alloys. The rather unusual magnetic behaviour of these systems is briefly discussed in terms of 3d band filling of the transition metal.

intermetallic compounds ; metal hydrides ; magnetic properties

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