Spin valves based on amorphous ferrimagnetic Gd–Co films

Spin valves based on amorphous ferrimagnetic Gd–Co films

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 magnetoresistanc...

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Veröffentlicht in:Physics of metals and metallography 2016-09, Vol.117 (9), p.876-882
Hauptverfasser: Svalov, A. V., Kurlyandskaya, G. V., Balymov, K. G., Vas’kovskii, V. O.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry and Materials Science
Classification
Electrical and Magnetic Properties
Exchange
Ferrimagnetism
Giant magnetoresistance
Magnetic properties
Materials Science
Metallic Materials
Metallography
Multilayers
Spin valves
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Beschreibung
Zusammenfassung: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.
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X16070164