Abstract
We have carried out the magnetic circular dichroism (MOD) measurements in the VUV region near M2,3 absorption edges of Cu and Co for Cu/Co multilayers in order to investigate the perpendicular magnetization of the system. Circularly polarized SR light was incident almost normal to the sample surface and the reflected light was detected, corresponding to the information about perpendicular magnetic moments. The MCD spectrum of the magnetic layers at Co M2,3 edges showed one negative peak. Although Cu is non-magnetic, a similar MCD profile was obtained for Cu M2,3 edges. These results indicate that the perpendicular magnetic moments of non-magnetic Cu are induced near the Cu/Co interfaces of multilayers and the directions of the magnetic moments in Cu and Co layers are parallel with each other along the direction of applied magnetic field.
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