Abstract
On the basis of our work on electroless CoB soft magnetic films with high saturation magnetization (MS) and low coercivity (Hc) the effect of applying an external field during deposition and of adding Fe to CoB binary system were investigated in order to improve the soft magnetic properties. When an external field (560 G) is applied, The Hc of deposited CoB films decreases from 1.20 Oe to 0.64 Oe. In the case of CoFeB ternary alloy films, FeSO 4 is added to the CoB bath and its concentration is varied from 0.001 to 0.05 mol dm -3
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