研究了Gd0.5Td0.5-xFex,Gd0.5Dy0.5-yFey(x＝0.1,0.2,0.3,0.4;y＝0.1,0.2,0.3,0.4)系列稀土合金在245～320K温区范围的磁熵变,发现这二种系列合金均具有较大的磁熵变值,适合作为中等磁场(1～2T)下的室温磁制冷材料.
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