Abstract :
The study of magnetic multilayers consisting of electrodeposited Co layers is gaining significant importance for the
application in the field of magnetic recording. However, there are been few studies on the properties of electrodeposited Co
thin films. In this paper, the relation between morphology, crystallographic structure and magnetic properties of electrode-
posited Co films on Si 100.and on a polycrystalline Cu substrate has been investigated. Co films of 100-nm thickness on Si
and on Cu exhibit similar magnetic properties. It appears that the grain size and the interfacial roughness of the Co films do
not influence significantly the magnetic properties, while the crystallographic structure plays a predominant role. We have
shown that the pH of the electrolyte influences the fraction of the hcp and fcc phase in the Co film and therefore tunes its
magnetic properties. q2000 Elsevier Science B.V. All rights reserved.
