Penetration Depth of Transverse Spin Current in Ferromagnetic Metals

2008/06/20 by Tomohiro Taniguchi, T. Taniguchi, S. Yakata +5
Engineering · Materials Science · Physics and Astronomy · #Ferromagnetic resonance #Ferromagnetism #Line width #Magnetic Properties and Applications #Magnetic properties of thin films #Metallic Glasses and Amorphous Alloys #Penetration (warfare) #Penetration depth #Spin current #Spin polarization #Transverse plane #cond-mat.mes-hall

paper · pdf · doi:10.1109/tmag.2008.2003036

published as IEEE Trans. Mag. 44, 2636 (2008) · 4 pages, 3 figures, proceeding of Intermag conference 2008

arxiv created 2008/06/20 · openalex publication_date 2008/11/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

The line width of the ferromagnetic resonance (FMR) spectrum of Cu/CoFeB/Cu/Co/Cu is studied. Analyzing the FMR spectrum by the theory of spin pumping, we determined the penetration depth of the transverse spin current in the Co layer. The obtained penetration depth of Co is 1.7 nm.

Citations

• Current-driven excitation of magnetic multilayers
• Spin transfer in bilayer magnetic nanopillars at high fields as a function of free-layer thickness
• Field dependence of magnetization reversal by spin transfer
• Microwave oscillations of a nanomagnet driven by a spin-polarized current