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Interfacial exchange coupling and magnetization reversal in perpendicular Co/NiN/TbCo composite structures

机译：垂直Co / Ni N / TbCo复合结构的界面交换耦合和磁化反转

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摘要

Interfacial exchange coupling and magnetization reversal characteristics in the perpendicular heterostructures consisting of an amorphous ferrimagnetic (FI) TbxCo100–x alloy layer exchange-coupled with a ferromagnetic (FM) [Co/Ni]N multilayer have been investigated. As compared with pure TbxCo100–x alloy, the magnetization compensation composition of the heterostructures shift to a higher Tb content, implying Co/Ni also serves to compensate the Tb moment in TbCo layer. The net magnetization switching field Hc⊥ and interlayer interfacial coupling field Hex, are not only sensitive to the magnetization and thickness of the switched TbxCo100–x or [Co/Ni]N layer, but also to the perpendicular magnetic anisotropy strength of the pinning layer. By tuning the layer structure we achieve simultaneously both large Hc⊥ = 1.31 T and Hex = 2.19 T. These results, in addition to the fundamental interest, are important to understanding of the interfacial coupling interaction in the FM/FI heterostructures, which could offer the guiding of potential applications in heat-assisted magnetic recording or all-optical switching recording technique.

机译：研究了由非晶铁磁（FI）TbxCo100-x合金层与铁磁（FM）[Co / Ni] N多层交换耦合组成的垂直异质结构中的界面交换耦合和磁化反转特性。与纯TbxCo100-x合金相比，异质结构的磁化补偿成分向更高的Tb含量转移，这意味着Co / Ni还可以补偿TbCo层中的Tb矩。净磁化转换场Hc⊥和层间界面耦合场Hex，不仅对转换的TbxCo100–x或[Co / Ni] N层的磁化和厚度敏感，而且对钉扎层的垂直磁各向异性强度敏感。通过调整层结构，我们可以同时获得大的Hc⊥= 1.31 T和Hex = 2.19 T.除了基本的兴趣外，这些结果对于理解FM / FI异质结构中的界面耦合相互作用也很重要。指导热辅助磁记录或全光切换记录技术中的潜在应用。

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期刊名称 Scientific Reports
作者
M. H. Tang; Zongzhi Zhang; S. Y. Tian; J. Wang; B. Ma; Q. Y. Jin;
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年(卷),期 -1(5),-1
年度 -1
页码 10863
总页数 7
原文格式 PDF
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专利

1. Interfacial exchange coupling and magnetization reversal in perpendicular [Co/Ni]_N/TbCo composite structures [J] . M. H. Tang, Zongzhi Zhang, S. Y. Tian, Scientific reports. . 2015,第1期

机译：垂直[Co / Ni] _{N / TbCo复合结构的界面交换耦合和磁化反转}
2. Interfacial exchange coupling and magnetization reversal in perpendicular [Co/Ni]_N/TbCo composite structures [J] . M. H. Tang, Zongzhi Zhang, S. Y. Tian, Scientific reports. . 2015,第1期

机译：垂直[Co / Ni] _{N / TbCo复合结构的界面交换耦合和磁化反转}
3. Controllable Interfacial Coupling Effects on the Magnetic Dynamic Properties of Perpendicular [Co/Ni](5)/Cu/TbCo Composite Thin Films [J] . Tang Minghong, Zhao Bingcheng, Zhu Weihua, ACS applied materials & interfaces . 2018,第5期

机译：可控界面耦合对垂直液磁动力学性质的互补耦合效应（5）/ Cu / TBCO复合薄膜
4. Magnetization reversal and field annealing effects in perpendicular exchange-biased Co/Pt multilayers and spin valves with perpendicular magnetization [C] . Sebastiaan van Dijken, Matthew Crofton, M. Czapkiewicz Annual Conference on Magnetism and Magnetic Materials . 2005

机译：垂直交换偏置Co / Pt多层和具有垂直磁化强度的旋转阀的磁化反转和现场退火效应
5. Anomalous magnetization reversal in exchange biased thin films and nanostructures. [D] . Li, Zhi-Pan. 2006

机译：交换偏向薄膜和纳米结构中的反常磁化反转。
6. Bidirectional propagation of tilting domain walls in perpendicularly magnetized T shaped structure with the interfacial Dzyaloshinskii-Moriya interaction [O] . Jaesuk Kwon, Hee-Kyeong Hwang, Jung-Il Hong, -1

机译：具有界面Dzyaloshinskii-Moriya相互作用的垂直磁化的T形结构中的倾斜畴壁的双向传播
7. Interfacial exchange coupling and magnetization reversal in perpendicular Co/NiN/TbCo composite structures [O] . M. H. Tang, Zongzhi Zhang, S. Y. Tian, 2015

机译：垂直π/ TBCCO复合结构中的界面交换耦合和磁化反转

Interfacial exchange coupling and magnetization reversal in perpendicular Co/NiN/TbCo composite structures

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