Temperature Dependence of Magnetic Properties of SmCo/FeCo Multilayer Films

摘要

Sm22Co78/Fe65Co35/Sm22Co78/Fe35 multilaver films were prepared by magnetron sputtering. The temperature dependence of coercivity （Hc）, remanence （Mr） and reduced remanence （Mr/Ms） has been measured. The coercivity decreases with increasing of temperature. The remanence decreases with increasing the temperature from 26 to 100℃, and then increases with continuously increasing the temperature from 100 to 150℃. The reduced remanence increases with increasing the temperature.