COMPOSITION DEPENDENCE OF DISCONTINUOUS MAGNETIZATION IN LI-TI FERRITES

The potential difference V(B) and the frequency F(B) of Barkhausen jumps were measured in Li0.5+0.5xTixFe2.5-1.5xO4 (where x < 0-0.7). In the low range of magnetizing currents, the addition of Ti enhances the irreversible changes of magnetization. In the high range of magnetizing currents, V(B) decreases with increasing Ti content. For each composition V(B) shows a maximum value (V(B) max) corresponding to a certain value of the magnetizing current (l(m)). V(B) max and l(m) decrease with increasing Ti content. The sample with x = 0.1 causes the eddy currents to decrease by about 67\% relative to a sample with x = 0.0. The sintering temperature has a considerable effect on V(B).