Oscillatory interlayer exchange coupling in MgO tunnel junctions with perpendicular magnetic anisotropy

Lavinia E. Nistor; Bernard Rodmacq; Stephane Auffret; Alain Schuhl; Mairbek Chshiev; Bernard Dieny

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Oscillatory interlayer exchange coupling in MgO tunnel junctions with perpendicular magnetic anisotropy

机译：具有垂直磁各向异性的MgO隧道结中的振荡层间交换耦合

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The influence of magnetic layer thickness on the interlayer coupling through a tunnel barrier is investigated in Co/MgO/Co structures with perpendicular anisotropy. Despite the rather large MgO thickness, a clear antiferromagnetic coupling is observed. It oscillates with increasing magnetic layer thickness, in agreement with theories on indirect coupling through insulating spacers. Although the average interlayer coupling strength decreases with increasing annealing temperature, constant period and amplitude of these oscillations are observed for all annealing temperatures.

机译：在垂直各向异性的Co / MgO / Co结构中研究了磁性层厚度对通过隧道势垒的层间耦合的影响。尽管MgO的厚度相当大，但仍观察到清晰的反铁磁耦合。与通过绝缘垫片间接耦合的理论一致，它会随着磁性层厚度的增加而振荡。尽管平均层间耦合强度随退火温度的升高而降低，但在所有退火温度下均观察到这些振荡的周期和振幅恒定。

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来源
《Physical review》 |2010年第22期|P.220407.1-220407.4|共4页
作者
Lavinia E. Nistor; Bernard Rodmacq; Stephane Auffret; Alain Schuhl; Mairbek Chshiev; Bernard Dieny;
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作者单位

SPINTEC (UMR 8191 CEA-CNRS-UJF), CEA/INAC, 38054 Grenoble Cedex, France;

rnSPINTEC (UMR 8191 CEA-CNRS-UJF), CEA/INAC, 38054 Grenoble Cedex, France;

rnSPINTEC (UMR 8191 CEA-CNRS-UJF), CEA/INAC, 38054 Grenoble Cedex, France;

rnSPINTEC (UMR 8191 CEA-CNRS-UJF), CEA/INAC, 38054 Grenoble Cedex, France;

rnSPINTEC (UMR 8191 CEA-CNRS-UJF), CEA/INAC, 38054 Grenoble Cedex, France;

rnSPINTEC (UMR 8191 CEA-CNRS-UJF), CEA/INAC, 38054 Grenoble Cedex, France;

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正文语种 eng
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magnetic properties of thin films, surfaces, and interfaces; metal-insulator-metal structures; tunneling; exchange and superexchange interactions;

机译：薄膜;表面和界面的磁性能;金属-绝缘体-金属结构;隧道交换和超交换交互;

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1. Interlayer Exchange Coupling and Perpendicular Magnetic Anisotropy in Co$_{40}$Fe$_{40}$B$_{20}$/MgO/Co $_{20}$Fe $_{60}$B $_{20}$ Tunnel Junction Structures [J] . Weng Y.-C., Cheng C.-W., Chern G. IEEE Transactions on Magnetics . 2013,第7期

机译：Co $ _ {40} $ Fe $ _ {40} $ B $ _ {20} $ / MgO / Co $ _ {20} $ Fe $ _ {60} $ B $ _ {的层间交换耦合和垂直磁各向异性20} $隧道结结构
2. Interlayer exchange coupling in [Pt/Co]n/MgO/[Co/Pt]2 perpendicular magnetic tunnel junctions [J] . Li Lei, Han Dong, Lei Wenguang, Journal of Applied Physics . 2014,第12期

机译：[Pt / Co] n / MgO / [Co / Pt] 2 垂直磁性隧道结中的层间交换耦合
3. Interlayer exchange coupling in [Pt/Co]_n/MgO/[Co/Pt]_2 perpendicular magnetic tunnel junctions [J] . Lei Li, Dong Han, Wenguang Lei, Journal of Applied Physics . 2014,第12期

机译：[Pt / Co] _n / MgO / [Co / Pt] _2垂直磁性隧道结中的层间交换耦合
4. Cell-size effect on the interlayer coupling and magnetoresistance oscillation in perpendicular-anisotropy magnetic tunnel junction embedded with iron nanoparticles [C] . Lee Y., Das B., Wu T., 2015 IEEE Magnetics Conference . 2015

机译：胞大小对铁纳米粒子嵌入的垂直各向异性磁隧道结中层间耦合和磁阻振荡的影响
5. Perpendicular Magnetic Tunnel Junctions with MgO Tunnel Barrier [D] . Almasi, Hamid. 2017

机译：具有MgO隧道势垒的垂直磁性隧道结
6. Competing Anisotropy-Tunneling Correlation of the CoFeB/MgO Perpendicular Magnetic Tunnel Junction: An Electronic Approach [O] . Chao-Yao Yang, Shu-Jui Chang, Min-Han Lee, -1

机译：CoFeB / MgO垂直磁隧道结的各向异性各向异性隧道关联：一种电子方法
7. Interlayer Exchange Coupling in Fe/MgO/Fe Magnetic Tunnel Junctions [O] . Katayama, T., Yuasa, S., Velev, Julian P., 2006

机译：Fe / mgO / Fe磁隧道结中的层间交换耦合

Oscillatory interlayer exchange coupling in MgO tunnel junctions with perpendicular magnetic anisotropy

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