The Paramagnetic Susceptibility of Copper-Nickel and Zinc-Nickel Alloys
- 1 December 1939
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 56 (11), 1137-1145
- https://doi.org/10.1103/PhysRev.56.1137
Abstract
Alloys of nickel were prepared with 0 to 60 percent copper or 0 to 30 percent zinc. Their susceptibilities above their Curie temperatures were measured as a function of the temperatures using a Weiss-Foëx magnetic balance at a field of 11,000. Plots of against showed that the Curie-Weiss law holds only in restricted ranges of temperature, the curve becoming concave towards the axis at high temperatures, especially for the alloys of low nickel content. The susceptibility at a given temperature decreases less rapidly than linearly with percent copper or zinc added. These results are discussed from the points of view of the Heisenberg and the Bloch models.
Keywords
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