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一种非磁性离子代换的石榴石型铁氧体,它们具有许多优点。但在研究应用过程中,对非磁性离子在(a),(d)和(c)三种晶位的分布情况尚有待于更深一步的研究。 作者对于一种由Ca~(2+)、In~(3+)、Ge~(4+)代换的YIG型材料Y_(2.78)Ca_(1.25)In_(0.6)Ge_(0.25)Fe_(4.11)O_(12)的磁性及在(a)和(d)晶位的离子分布情况,已经作了初步研究。在石榴石型铁氧体中,当四面体(d)晶位上的Fe~(3+)离子有一部分被非磁性离子代换时,由于离子的无规分布效应,不仅
A non-magnetic ion-substituted garnet-type ferrite, which has many advantages. However, in the process of research and application, the distribution of non-magnetic ions in (a), (d) and (c) are yet to be further studied. In this paper, a new YIG material Y_ (2.78) Ca_ (1.25) In_ (0.6) Ge_ (0.25) Fe_ (4.11) substituted by Ca 2+, In 3+ and Ge 4+ ) The magnetic properties of O_ (12) and the ion distribution at (a) and (d) have been studied. In the garnet type ferrite, when a part of Fe 3+ ions at the tetrahedral (d) crystal site are replaced with nonmagnetic ions, due to the random distribution effect of ions, not only