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2016•The Physics of Metals and MetallographyRequires access

Spin valves based on amorphous ferrimagnetic Gd–Co films

A. V. Svalov, G. V. Kurlyandskaya, К. Г. Балымов, В. О. Васьковский

Open publisher page 4 citations

Abstract

Multilayer Gd–Co/Co/Cu/Co structures were prepared by magnetron sputtering. An analysis of the magnetic and resistive properties allows us to classify these structures among spin valves which demonstrate the giant magnetoresistance effect. The mechanism of the sign reversal of giant magnetoresistance with changing thickness of the Co layer, which is exchange coupled with the ferrimagnetic Gd–Co layer, has been interpreted.

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What this paper is about

Multilayer Gd–Co/Co/Cu/Co structures were prepared by magnetron sputtering. An analysis of the magnetic and resistive properties allows us to classify these structures among spin valves which demonstrate the giant magnetoresistance effect. The mechanism of the sign reversal of giant magnetoresistance with changing thickness of the Co layer, which is exchange coupled with the ferrimagnetic Gd–Co layer, has been interpreted.

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Available abstract

Multilayer Gd–Co/Co/Cu/Co structures were prepared by magnetron sputtering. An analysis of the magnetic and resistive properties allows us to classify these structures among spin valves which demonstrate the giant magnetoresistance effect. The mechanism of the sign reversal of giant magnetoresistance with changing thickness of the Co layer, which is exchange coupled with the ferrimagnetic Gd–Co layer, has been interpreted.

Key concepts: Ferrimagnetism, Giant magnetoresistance, Magnetoresistance, Condensed matter physics, Amorphous solid, Materials science, Spin valve, Layer (electronics)

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