Figure 2 | Scientific Reports

Figure 2

From: Highly Enhanced TMR Ratio and Δ for Double MgO-based p-MTJ Spin-Valves with Top Co2Fe6B2 Free Layer by Nanoscale-thick Iron Diffusion-barrier

Figure 2

Dependence of static PMA magnetic behavior on thickness of Fe diffusion barrier for double MgO-based p-MTJ spin-valves with a top Co2Fe6B2 free layer. M-H curves for p-MTJ spin-valves (a) without Fe diffusion barrier, (b) with 0.20-nm-thick, (c) 0.30-nm-thick, (d) 0.45-nm-thick, (e) 0.55-nm-thick, and (f) 0.66-nm-thick Fe diffusion -barrier. Insets of Fig. 2a–f are M-H curves of the Co2Fe6B2 free layer ferro-coupled with the upper Co2Fe6B2 free layer.

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