Effect of proportion change of aluminum and silicon on magnetic entropy change and magnetic properties in La0.8Ce0.2Fe11.5Al1.5-xSix compounds

Temperature-dependent magnetic entropy of La0.8Ce0.2Fe11.5Al1.5-xSix (x=0.4, 0.5, 0.6, 0.7) compounds as static magnetic field varies from 0 to 2 T