Magnetic properties of Ni/V multilayers

The magnetization and anisotropy of Ni/V multilayers prepared by RF sputter ing are presented. The magnetization decreases with Ni layer thickness t(Ni ) and the analysis of the results at 5 K indicates the presence of dead Ni layer about 10 Angstrom thick. The Curie temperature T-C decreases as a fun ction of film thickness in the same Ray as is usually found from finite-siz e effects in other ferromagnets. The ferromagnetic resonance (FMR) spectra are obtained with the applied magnetic field parallel and perpendicular to the film plane at 300 K. From FMR, a negative value for Ni/V interface anis otropy is obtained. (C) 1999 Elsevier Science B.V. All rights reserved.