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Fig. 1 | Nanoscale Research Letters

Fig. 1

From: Magnetic Hysteresis in Nanostructures with Thermally Controlled RKKY Coupling

Fig. 1

Illustration of magnetic layout of Fe/uniform-spacer/Fe multilayers when the spacer is paramagnetic (PM) (a) or ferromagnetic (FM) (b). c, e Structures with modified, composite spacers sp1 and sp2 exhibit, respectively, antiparallel and parallel magnetic ground state at low temperature (T < TC*). d, f Corresponding characteristic temperature variation of remanent magnetization of structures with spacers sp1 and sp2 for different compositions of spacers’ inner diluted alloy layer. Layer thicknesses are given in parentheses in “nanometers”

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