The Effect of Reducing Time on the Magnetoresistance of Manganite La_0.67Sr_0.20Cu_0.10□_0.03MnO₃ at a Temperature of 30°C

Figure 3

(a) Curves of special magnetization 𝜎 versus temperature T for samples B1 (a), B2 (b), and B3 (c). (b) Curves of 𝑑𝜎/𝑑𝑇 calculated from Figure 3(a) versus temperature 𝑇 for samples B1 (a), B2 (b), and B3 (c).

(a)

(b)