Penetration Depth of Transverse Spin Current in Ferromagnetic Metals
arXiv:0806.3315 · doi:10.1109/TMAG.2008.2003036
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.
4 pages, 3 figures, proceeding of Intermag conference 2008