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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: Tunneling-Magnetoresistance Ratio Comparison of MgO-Based Perpendicular-Magnetic-Tunneling-Junction Spin Valve Between Top and Bottom Co2Fe6B2 Free Layer Structure

Fig. 4

Dependency of MgO tunneling crystallinity on the p-MTJ spin valve structure and ex situ annealing temperature. a p-MTJ spin valve with a nanoscale-thick bottom Co2Fe6B2 free layer ex situ annealed at 350 °C, b p-MTJ spin valve with a nanoscale-thick top Co2Fe6B2 free layer ex situ annealed at 350 °C, c p-MTJ spin valve with a nanoscale-thick bottom Co2Fe6B2 free layer ex situ annealed at 400 °C, and d p-MTJ spin valve with a nanoscale-thick top Co2Fe6B2 free layer ex situ annealed at 400 °C

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