Research Article

The Size and Shape Dependence of Ferromagnetism in Nanomagnets

Figure 4

The coercive field as a function of 𝑍 e at 25 K for chain-shaped, oblong-shaped, and bulk-shaped systems including equal atoms 𝑁 = 1 2 0 with 𝐽 = 7 meV. The values of 𝑍 e are shown in Table 3. The solid line is fit to data by (4), as discussed in the text.
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