1986 年 55 巻 8 号 p. 2823-2829
The molar magnetic susceptibility χM of liquid Hg–Tl and Hg–Cs alloys was measured from room temperature to 748 K using the Fraday method. The observed χM of liquid Hg–Tl alloys shows positive deviations from the linear concentration dependence. For liquid Hg–Cs alloys a positively enhanced tendency of χM is found around 40 at.%Cs, though deviations from the linear law remain to be negative as a whole (“W shape”). Such a concentration dependence of χM is discussed in terms of the nearly free electron model. Positive deviations or positively enhanced tendencies (“W shape”) of χM in these liquid Hg alloys seem to be explained by taking into account electron-ion interactions. The temperature coefficient of χM, or dχM⁄dT, is discussed from the point of view of higher order ion-ion correlation effects recently found for some liquid mercury alloys.
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