Magnetic x-ray<i>–</i>scattering study of interfacial magnetism in a Gd-Y superlattice

Abstract

The modulation in the magnetic moment and in the interplanar spacing (strain) in the superlattice [${\mathrm{Gd}}_{21}$${\mathrm{Y}}_{21}$]\ifmmode\times\else\texttimes\fi{}40 has been determined by use of synchrotron and rotating-anode x-ray sources. The average moment appears to decrease in the interfacial regions, and the width of the strain interface increases with decreasing temperature.