Influences of La and Ce doping on giant magnetocaloric effect of EuTiO |
(color online) (a) Magnetization isotherms of the EuTiO3 and Eu0.9R0.1TiO3 (R = La, Ce) collected at 2, 3, 4, and 5 K under low field; (b) Arrott plot of the EuTiO3 and Eu0.9R0.1TiO3 (R = La, Ce) at 2, 3, 4, 5, and 6 K under low field. |