Spin-orbit-induced Kondo size effect in thin films with 5/2-spin impurities

Recently, for spin S = 5/2 impurities, quite different size dependence of t he Kondo contribution to the resistivity was found experimentally than for S = 2. Therefore, previous calculation about the effect of the spin-orbit-i nduced magnetic anisotropy on the Kondo amplitude of the resistivity is ext ended to the case of S = 5/2 impurity spin, which differs from the integer spin case as the ground state is degenerated. In this case the Kondo contri bution remains finite when the sample size goes to zero and the thickness d ependence in the Kondo resistivity is much weaker for Cu(Mn). The behavior of the Kondo coefficient as a function of the thickness depends on the Kond o temperature, which is somewhat stronger for larger TK Comparing our resul ts with a recent experiment in thin Cu(Mn) films, we find a good agreement. [S0163-1829(99)04239-3].