Abstract

We have investigated the relationship between the magnetoresistance and the paracrystalline disorder of lattice plane spacings at the interface in Fe/Cr multilayer films prepared by rf sputtering. The X-ray linewidths for the (110) and (220) peaks were analysed using a modified paracrystalline theory to obtain the grain size and the lattice uncertainty, which represents the degree of paracrystalline disorder. We have found that the magnetoresistance increases with decreasing lattice uncertainty.

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