Title :
Penetration Depth of Transverse Spin Current in Ferromagnetic Metals
Author :
Taniguchi, Tomohiro ; Yakata, Satoshi ; Imamura, Hiroshi ; Ando, Yasuo
Author_Institution :
Nanotechnol. Res. Inst., Nat. Inst. of Adv. Ind. Sci. & Technol., Tsukuba
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.
Keywords :
boron alloys; cobalt alloys; copper alloys; ferromagnetic materials; ferromagnetic resonance; iron alloys; magnetic multilayers; spectral line breadth; Cu-CoFeB-Cu-Co-Cu; FMR; depth 1.7 nm; ferromagnetic resonance spectrum; multilayers; penetration depth; spectral line width; spin pumping; transverse spin current; Ferromagnetic resonance; Gilbert damping; spin pumping; transverse spin current;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2008.2003036
