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 5

Temperature dependence of the resistivity measured in zero field and in an applied field (1.8 T) for samples B1 (a), B2 (b), and B3 (c). The corresponding magnetoresistances are also indicated.

(a)

(b)

(c)