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. 2017 Mar 23;7:45026. doi: 10.1038/srep45026

Figure 2. Quantitative estimation of VCMA effect in the Ru/CFA/MgO heterostructures.

Figure 2

(a) Schematic illustration of orthogonally magnetized MTJs with the structure of Ru/CFA/MgO/CoFeB. (b) Normalized TMR curves obtained at different applied voltages under in-plane magnetic field (only the positive field region is shown here). (c) Typical normalized in-plane component of the CFA magnetization. The PMA energy density can be estimated from the shaded area. (d) Electric field dependence of the magnetic anisotropy Kut for the CFA film.