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(Color online) (a) Temperature dependences of magnetization, M(T), under different cooling fields ranging from 0.2 kOe to 40 kOe. (b) Field dependences of magnetization, M(H), at various temperatures between 5 K and 200 K. The insets of (a) and (b), respectively, give the comparison of the M(T) and the M(H) curves for Fe50 + xMn25−xGa25 (x = 0, 2) ribbons.
(Color online) Hysteresis loops at 5 K after ZFC and FC with a cooling field of 10 kOe.
(Color online) Cooling field dependences of H EB and HC at 5 K.
(Color online) (a) The hysteresis loops at 5 K after the sample was warmed up to T W (5 K, 25 K, and 70 K). Inset shows the M(T) curves for the zero field warming process after the 50 kOe field cooling. (b) The T W dependences of H EB and HC .
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