Abstract
Magnetoresistance and magnetic behaviour of a vacuum evaporated multilayer consisting of 1.4 nm Fe and 2 nm Ag layers were studied. The magnetisation of the multilayer shows normal ferromagnetic behaviour while the resistance decreases both in parallel and transversal geometry up to 12 T magnetic field and can be well described by squared Langevin functions. The giant magnetoresistance (GMR) is attributed to a small amount of Fe clusters and/or single impurities in the Ag matrix. This explanation is supported by similar results on a 8 nm Ag/25 nm Fe/8 nm Ag trilayer. The concentration distribution due to interface mixing was studied by Rutherford backscattering spectrometry (RBS) measurements.
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CITATION STYLE
Balogh, J., Vincze, I., Kaptás, D., Kemény, T., Pusztai, T., Kiss, L. F., … Mihály, G. (2002). Interface magnetoresistance of Fe/Ag multilayers. In Physica Status Solidi (A) Applied Research (Vol. 189, pp. 621–624). https://doi.org/10.1002/1521-396X(200202)189:3<621::AID-PSSA621>3.0.CO;2-V
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