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(Color online) (a) Magnetization vs. temperature curves under μoH = 5 mT. (b) ΔSM (T) curves of samples A and B for μoH = 2 and 5 T. (c) ΔScomp (T) curves for the two-ribbon system calculated from the isothermal M(H) curves measured independently for samples A and B for μoH = 2 and 5 T.
(Color online) (a) RCcomp as a function of x for μoH = 2 and 5 T. Inset: illustration of the difficulty encountered to define RC for a double-peak ΔScomp (T) curve. (b) δTFWHM vs. x for μoH = 2 and 5 T.
(Color online) ΔScomp (T) curves for the composite 0.5 A + 0.5B (μoH = 2 and 5 T) obtained from the measured M(H) curves of the composite (full symbols) and from Eq. (2) (open symbols). Left upper panel: Experimental magnetic field dependence of the δTFWHM for the samples A, B, and the composite system. Right upper panel: RC vs. μoH for the samples A, B, and the composite.
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