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Asymmetric magnetic dots: A way to control magnetic properties

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Figure

FIG. 1. (Color online) Geometrical parameters of a nanodot. The white sur- sur-face represents the cut sursur-face.
FIG. 3. (Color online) Hysteresis loops for an asymmetric dot as a function of a for height h ¼ 20 nm (a) and h ¼ 30 nm (b)
FIG. 5. Snapshots of the magnetization for a dot with h ¼ 20 nm at four different values of H

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