Oscillatory interlayer coupling in spin Hall systems

Gonçalves, A. M.; Garcia, F.; Lee, H. K.; Smith, A.; Soledade, P. R.; Passos, C. A.  C.; Costa, M.; Souza-Neto, N. M.; Krivorotov, I. N.; Sampaio, L. C.; Barsukov, I.

doi:10.1038/s41598-018-20685-7

Title: Oscillatory interlayer coupling in spin Hall systems

Journal Article · Fri Feb 02 00:00:00 EST 2018 · Scientific Reports

DOI:https://doi.org/10.1038/s41598-018-20685-7· OSTI ID:1500025

Gonçalves, 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]

Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro (Brazil)
Univ. of California, Irvine, CA (United States)
Univ. Federal do Amapá (Brazil)
Univ. Federal do Espírito Santo (Brazil)
Lab. Nacional de Luz Síncrotron, Campinas (Brazil)
Univ. of California, Riverside, CA (United States)

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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Research Organization:: Univ. of California, Riverside, CA (United States); Energy Frontier Research Centers (EFRC) (United States). Spins and Heat in Nanoscale Electronic Systems (SHINES)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: SC0012670

OSTI ID:: 1500025

Journal Information:: Scientific Reports, Vol. 8, Issue 1; ISSN 2045-2322

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 14 works

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