Abstract
Here, the interfacial magnetic coupling in an exchange biased [Ni80Fe20/Mn]3 multilayer system has been studied using polarized neutron reflectometry. Previous results on this system indicate the importance of the coupling between the Fe-Mn and Ni-Mn orbitals at the layer interfaces. Magnetic depth profiles of the multilayer were measured at low temperatures under field-cooled and zero-field-cooled conditions. While no definitive interfacial state was found, a magnetic moment enhancement of roughly 20-30% in the applied field direction was observed throughout the bulk of the NiFe layers in the field-cooled state as compared to the zero-field-cooled measurements. The origin of this enhancement also likely stems from Fe-Mn and Ni-Mn orbital coupling, but due to the interfacial roughnesses of the sample, the areas where this coupling plays an important role is no longer confined to the interface.
Highlights
This content has been downloaded from IOPscience
In order to determine the origins of this behavior, polarized neutron reflectometry (PNR) was used to obtain magnetic depth profiles of the system under field-cooled and zero-field-cooled conditions
Here we have presented a PNR study of a [NiFe/Mn]3 multilayer system
Summary
This content has been downloaded from IOPscience. Please scroll down to see the full text. Ser. 711 012005 (http://iopscience.iop.org/1742-6596/711/1/012005) View the table of contents for this issue, or go to the journal homepage for more. Download details: IP Address: 203.10.91.92 This content was downloaded on 25/05/2016 at 00:46 Please note that terms and conditions apply. The Bragg Institute, Australian Nuclear Science and Technology Organization, Lucas Heights, NSW 2234, Australia Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR, China
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