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用~(57)Fe的穆斯堡尔效应对稀土非晶态三元合金Tb_7Gd_(23)Fe_(70)、Tb_(17)Gd_(19)Fe_(64)及Tb_(22)Gd_(14)Fe_(64)进行了研究。研究结果表明,平均内场Hhf和同质异能移位随合金中Gd含量的增加而减小。Hhf的分布也强烈取决于Tb含量,并决定合金的磁结构类型。
The effects of ~ (57) Fe on the Tb_7Gd_ (23) Fe_ (70), Tb_ (17) Gd_ (19) Fe_ (64) and Tb_ (22) Gd_ (14) Fe_ (64) has been studied. The results show that the average internal field Hhf and the same energy shift decreases with the increase of Gd content in the alloy. The distribution of Hhf also strongly depends on the Tb content and determines the type of magnetic structure of the alloy.