Competing interactions and complex magnetism at SrRuO3/SrMnO3 interfaces

被引：6

作者：

Choi, Y. ^{[1
]}

Tseng, Y. C. ^{[1
,2
]}

Haskel, D. ^{[1
]}

Brown, D. E. ^{[3
]}

Danaher, D. ^{[3
]}

Chmaissem, O. ^{[3
,4
]}

机构：

[1] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA

[2] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60439 USA

[3] No Illinois Univ, Dept Phys, Inst NanoSci Engn & Technol, De Kalb, IL 60115 USA

[4] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 19期

关键词：

antiferromagnetic materials; Curie temperature; magnetic anisotropy; magnetic moments; magnetic multilayers; strontium compounds;

D O I：

10.1063/1.3013333

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The coupled interfacial Mn and Ru spin configurations in a SrRuO(3)(SRO)/SrMnO(3)(SMO) superlattice are investigated with x-ray resonant techniques. With an out-of-plane applied field H, a net Mn moment is induced opposite to (along) H below (above) SRO Curie temperature T(C), due to changes in interfacial antiferromagnetic Ru-Mn coupling. In comparison with the Mn moment induced along an out-of-plane field below T(C), the Mn moment induced along an in-plane field is five (three) times smaller below (above) T(C), due to frustration in the Ru-Mn coupling. Despite its in-plane anisotropy, the G-type antiferromagnetic SMO favors out-of-plane over in-plane canting of Mn moments.

引用

页数：3

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