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sCCs for an asymmetric SAF (a) and for a symmetric one (b). A strategy to point out CCs for an asymmetric SAF is to use an increasing bias field perpendicular to EA, starting from state, and then a pulse field parallel to EA, combined with a L-shaped bias field and a pulse field perpendicular to EA. For the symmetric case we apply a decreasing field along EA, starting from positive saturation, and then a pulse field perpendicular to EA.
Switching diagram of an asymmetric SAF: sweep rate dependence for [(a), (b), , and ], and pulse length dependence for [(c), (d), , and ]. The configuration was used for (a), (b), (c), and (d), and correspondingly the configuration for , , , and . Each point is the coordinate of the total vector field when reached its peak value.
Switching diagrams of a symmetric SAF using configuration [(a)–(c)] and configuration [(d) and (e)], respectively.
Switching diagrams of an asymmetric SAF, taking into account both exchange and magnetostatic coupling.
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