Abstract
The Green's-function method in the random-phase approximation is applied to calculate the magnetization of the (111) surface planes on both sides of an interface between two semi-infinite Heisenberg ferromagnets with a face-centered-cubic structure. Both bulk systems are chosen with anisotropic exchange interactions. When there is an appreciable difference in the transition temperatures of both sides, one finds that the stronger ferromagnet induces a permanent magnetization in the weaker one, which can be sustained at temperatures higher than the transition temperature of the latter. Several branches of surface magnons are also found.
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