The Ms of La0.5Sr0.5Ti1−xNixO3 nanofibers increases with increasing Ni concentration (increasing x) and the specific magnetization Ms values at 10 kOe are 0.098, 0.141,0.399, and 0.484 emu=g for x = 0.02, 0.03, 0.04, and 0.05,respectively, as shown in Fig. 7(b).