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High-state spin in Ru4+: Play the role in the interface coupling of the La0.7Sr0.3MnO3/SrRuO3 heterostructure
Solid-State Electronics ( IF 1.4 ) Pub Date : 2021-03-04 , DOI: 10.1016/j.sse.2021.107985
Guoqing Zhao , Xingkun Ning

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.



中文翻译:

Ru 4+中的高态自旋:在La 0.7 Sr 0.3 MnO 3 / SrRuO 3异质结构的界面偶联中起作用

我们研究了在不同方向和各种衬底上外延生长的La 0.7 Sr 0.3 MnO 3 / SrRuO 3双层膜中的交换偏压效应。已经发现与SrRuO 3层的自旋状态有关的线性可调交换偏压效应。Ru 4+的自旋态在相互作用中起中心作用,并提出了理解Mn-O-Ru反铁磁耦合的机理。这项研究强调了自旋状态以及交换强度对界面耦合的影响,这可能为改善相关自旋电子器件的性能开辟了建设性的方法。

更新日期:2021-03-15
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