Magnetic relaxation and magnetization field dependence measurements in La0.5Ca0.5MnO3

Abstract We reported a systematic change in the average magnetic relaxation rate, after the application and removal of a 5 T magnetic field, in a polycrystalline sample of La 0.5 Ca 0.5 MnO 3 . Magnetic relaxation measurements and magnetization versus field curves were taken from 10 to 160 K. The long time behavior of the relaxation curves was approximately logarithmic in all cases.