Abstract
Magnetization measurements for amorphous Fe{sub 90{minus}{ital x}M{ital x}}Zr{sub 10} ({ital M}=V, Cr, Mn, Co, Ni, Cu, Si, and B) alloys prepared by single-roller spin quenching have been made by an extracting sample magnetometer in magnetic fields up to 65 kOe and at temperatures ranging from 1.5 to 300 K. Preliminary results show that the magnetic properties of these amorphous alloys strongly depend upon the {ital M} concentration and display a similarity to those of the parent Fe-Zr base; compared with amorphous Fe-{ital M}-B alloys with the same concentration, all the samples are characterized by a large high-field susceptibility, a small magnetic moment, and a low Curie temperature, which, for low {ital M} concentration, are particularly sensitive to applied fields. The noncollinear spin structures that characterize Fe-rich Fe-Zr--based amorphous alloys have been proposed to explain the observed results.
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