The AS -T curves of the nanomaterials are smoother than that of the bulk materials, So nanomaterials are the magnetic refrigerant materials which are more suitable for the Ericsson cycle than the bulk materials.

• 经研究还发现，纳米材料的温熵曲线较块材平滑，是较块材更为适合磁埃里克森循环的室温磁制冷材料。