High-state spin in Ru4+: Play the role in the interface coupling of the La0.7Sr0.3MnO3/SrRuO3 heterostructure

被引：2
|
作者：
Zhao, Guoqing [1 ]
Ning, Xingkun [1 ]
机构：
[1] Hebei Univ, Coll Phys Sci & Technol, Hebei Key Lab Opt Elect Informat & Mat, Baoding 071002, Peoples R China
来源：
SOLID-STATE ELECTRONICS | 2021年 / 179卷
基金：
中国国家自然科学基金;
关键词：
Pulsed laser deposition; Exchange bias; Interface; La0.7Sr0.3MnO3/SrRuO3; POSITIVE EXCHANGE BIAS;
D O I：
10.1016/j.sse.2021.107985
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：
We have investigated the exchange bias effect in La0.7Sr0.3MnO3/SrRuO3 bilayers that epitaxial grown in different directions and various substrates. A linear-tunable exchange bias effect, which related to the spin states of the SrRuO3 layers have been discovered. The spin state of Ru4+ play the centre role in the interaction, and proposes mechanisms to understand the Mn-O-Ru antiferromagnetic coupling. This study emphasizes the effect of the spin state as well as the exchange strength on the interfacial coupling, which may open a constructive approach in improving the performance of the related spintronic devices.
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收藏
页数：5
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