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(Color online) (a) Thermomagnetic measurement performed in different S(T) in applied field of 20 kOe. (b) M(H) isotherms measured at 260 K with different S(H). The inset of (b) shows the difference between M(H) isotherms measured by directly cooling to 260 K (filled square) and by cooling to 200 K and then heating to 260 K (closed circles).
(Color online) M(H) isotherm measured at 260 K in interrupted sweep mode. The insets show the evolution of magnetization in steps during various waiting periods.
(Color online) Time evolution of magnetization at various stopping fields (a) in field increasing mode and (b) field decreasing mode. The solid line represents best fit to the experimental data.
(Color online) (a) M(T) measured in ZFC (close circle), FCW (open square), and ZFC with interrupted sweep (open circle) mode. The inset of (a) shows the evolution of magnetization during various temperature stops. (b) Time evolution of magnetization during various temperature stops in the ZFC path.
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