Influence of Ru on Magnetism of R2Fe17 (R = Y, Lu, and Er)

被引：7

作者：

Tereshina, E. A. ^{[1
,2
]}

Gorbunov, D. I. ^{[1
]}

Andreev, A. V. ^{[1
]}

Watanabe, K. ^{[2
]}

机构：

[1] Acad Sci Czech Republ, Inst Phys, Prague 18221, Czech Republic

[2] Tohoku Univ, Inst Mat Res, HFSM, Sendai, Miyagi 9808577, Japan

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2011年 / 47卷 / 10期

基金：

日本学术振兴会;

关键词：

Antiferromagnetic materials; intermetallic alloys; magnetization processes; FE;

D O I：

10.1109/TMAG.2011.2146231

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The study of unusual influence of Ru substitution for Fe on magnetic properties of Lu2Fe17 is extended to a series of R2Fe17. The work is performed on single-crystalline samples of Lu2Fe16Ru, Y2Fe17-x Ru-x (0 <= x <= 1) and Er2Fe17-xRux (x = 0, 1) compounds. The collinear ferromagnetic ground state present in the R2Fe17 (Y and Lu) parent alloys is destroyed in R2Fe17-xRux, and antiferromagnetism is stabilized in the whole temperature range of magnetic order. The ordering temperatures of R2Fe16Ru (R = Y, Lu, Er) are 120 K, and no evidence of spontaneous magnetization is found in any of the alloys. The Fe sublattice in Er2Fe16Ru is most likely to be antiferromagnetic as well, however the type of magnetic order of the Er sublattice is not clear. All the compounds under study possess an easy-plane type of magnetic anisotropy and exhibit wide field-induced hysteretic transitions at low temperatures.

引用

页码：3610 / 3613

页数：4

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