Preparation of CoAg electrodeposited films

We have synthesized CoAg alloys using pulse electrodeposition. The effect o f width and frequency of the pulse in the Co/Ag ratio has been studied. We find that a constant duty-cycle value leads to a fixed Co/Ag ratio of the f ilms. We focus on Co20Ag80 samples obtained at different frequencies, maint aining a constant duty-cycle value, and observe that in spite of the unalte red stoichiometry, different pulse conditions alter significantly the magne tic properties of the annealed films. (C) 1999 Elsevier Science B.V. All ri ghts reserved.