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. 2018 Sep 6;8:13395. doi: 10.1038/s41598-018-31642-9

Figure 2.

Figure 2

The dead-layer extraction results. (ad) represent the series of samples annealed at 250, 300, 350, and 400 οC respectively. The tdead value is the extrapolated x-axis intercept from the linear fitting of the thickness-dependent saturation magnetization area product (Ms × t).