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.
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页数：6
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