Figure 3

(a) Enlarged XRD patterns of 2θ between 34.3∼36° for samples (x = 0.2 and x = 0.3). (b) M-T curves for samples (x = 0.2 and x = 0.3) in the temperature range of 200∼300 K. Their corresponding dM/dT-T curves are shown in the top-right insets.