Zusammenfassung
We use Co atoms dispersed in a ferromagnetic Fe film as a magnetic marker material to probe the magnetic properties of the Fe film grown epitaxially on GaAs(001)-(4x6). X-ray magnetic circular dichroism on Co L-2,L-3 edges has been used to perform, in a Mossbauer-like experiment, a layer-dependent analysis. We find an enhancement of the Co orbital magnetic moment near the interface with the GaAs ...
Zusammenfassung
We use Co atoms dispersed in a ferromagnetic Fe film as a magnetic marker material to probe the magnetic properties of the Fe film grown epitaxially on GaAs(001)-(4x6). X-ray magnetic circular dichroism on Co L-2,L-3 edges has been used to perform, in a Mossbauer-like experiment, a layer-dependent analysis. We find an enhancement of the Co orbital magnetic moment near the interface with the GaAs substrate, as well as a decrease of the spin magnetic moment when approaching the interface and at the surface of the Fe film. (c) 2005 American Institute of Physics.
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