Abstract
In the present study, the magnetic properties of liquid transition metal–Au alloys were investigated as a function of temperature and composition. The magnetic susceptibility χ of liquid Ti–Au and V–Au alloys was found to be almost independent of temperature or to have only a weak positive temperature dependence, which suggests that the Ti and V ions in the alloys are formally in the nonmagnetic state. For Au-rich compositions, χ in the nonmagnetic state was analyzed using the Anderson model. Liquid Cr1−cAuc with 0.5 ≤ c and Mn1−cAuc with 0.3 ≤ c obeyed the Curie–Weiss law with regard to the dependence of their χ on temperature. It is interesting to note that the composition dependences of the χ values of liquid Cr–Au, Mn–Au, and Fe–Au alloys have maxima at compositions of 50 at. % Cr, 70 at. % Mn, and 85 at. % Fe, respectively. The magnetic susceptibilities of liquid Fe–Au, Co–Au, and Ni–Au alloys obtained in this work also exhibited Curie–Weiss behavior with reasonable values for the effective numbers o...
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