Oscillatory interlayer coupling in spin Hall systems

被引：18

作者：

Goncalves, A. M. ^{[1
]}

Garcia, F. ^{[1
]}

Lee, H. K. ^{[2
]}

Smith, A. ^{[2
]}

Soledade, P. R. ^{[3
]}

Passos, C. A. C. ^{[4
]}

Costa, M. ^{[5
]}

Souza-Neto, N. M. ^{[5
]}

Krivorotov, I. N. ^{[2
]}

Sampaio, L. C. ^{[1
]}

Barsukov, I. ^{[6
]}

机构：

[1] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[2] Univ Calif Irvine, Irvine, CA USA

[3] Univ Fed Amapa, Amapa, Brazil

[4] Univ Fed Espirito Santo, Vitoria, ES, Brazil

[5] Lab Nacl Luz Sincrotron, Campinas, SP, Brazil

[6] Univ Calif Riverside, Riverside, CA 92521 USA

来源：

SCIENTIFIC REPORTS | 2018年 / 8卷

关键词：

FERROMAGNETIC-RESONANCE LINEWIDTH; MAGNETIC-ANISOTROPY; EPITAXIAL-GROWTH; ORBIT TORQUE; THIN-FILMS; EXCHANGE; DRIVEN; CU;

D O I：

10.1038/s41598-018-20685-7

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Many spintronics applications consist of ultrathin magnetic and nonmagnetic multilayers and require an in-depth understanding of interfacial magnetism and spin transport. Here, we study permalloy/copper/platinum multilayer systems. We find that magnetic damping, perpendicular anisotropy, and proximity magnetization exhibit correlated oscillations as a function of the copper thickness. We ascribe these observations to an oscillatory interlayer coupling between permalloy and platinum. Such interlayer coupling may have a significant impact on the performance of spintronics applications.

引用

页数：6

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