Magnetic properties of some ternary nickel solid solutions

We present the results of the magnetic measurements on Ni_0.7Cu_0.3-xSi_x (0 ? x ? 0.08) alloys between 4.2 and 800 K. The saturation magnetization and the Curie temperatures are linearly dependent on the mean electronic concentration of the diamagnetic matrix. The effective nickel moments vary only little in the considered concentration range. The ratio between the number of magnetic carriers determined from the Curie constant and the saturation data increases as the Curie temperatures decrease. The magnetic behaviour of nickel in these solid solutions is discussed.