Abstract
The Bethe-Peierls-Weiss method is generalized so that it is applicable to alloys and solid solutions. The method is then used to study the effects of magnetic dilution on a classical Heisenberg ferromagnet with nearest-neighbor interactions only. The results are qualitatively and quantitatively similar to those obtained by S ato, et al. using an Ising model. In particular, the limiting concentration for ferromagnetism is found to be P0 = (z−1) −1 where z is the number of nearest neighbors.
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