Study of Spin Valves With <formula formulatype="inline"> <tex>$L 1_{0}$</tex></formula>-FePt Pinning Layer and Different Pinned Layers

Abstract

L1<sub>0</sub> FePt pinned spin valves (SVs) with different pinning/pinned layers: FePt/CoFe, FePt/Ru/CoFe, and FePt/CoFe/Ru/CoFe, were fabricated and investigated. Samples with rigidly ferromagnetic coupled bilayer of FePt (6.0 nm)/CoFe (4.0 nm) show giant magnetoresistance (GMR) ratio up to 7.06%, which is similar to that in the conventional MnIr-based… (More)

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