Influence of damping constant on inverse spin hall voltage of La0.7Sr0.3MnO3(x)/platinum bilayers

Pure spin transport via spin pumping in the condition of ferromagnetic resonance can be transformed to charge current in the ferromagnetic/paramagnetic bilayer systems, based on inverse spin Hall effect (ISHE). Here, we explore La0.7Sr0.3MnO(x)/Pt(5.5 nm) [x = 10 to 65 nm] bilayers to investigate th...

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Bibliographic Details
Published in:Journal of applied physics 2014-05, Vol.115 (17), p.17C508-17C508
Main Authors: Luo, G. Y., Chang, C. R., Lin, J. G.
Format: Article
Language:English
Subjects:
Damping
Electric potential
Ferromagnetic resonance
Ferromagnetism
Hall effect
Magnetic moments
Platinum
Pumping
Spin-Dependent Properties and Spin Manipulation for Spintronics
Spintronics
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Summary:Pure spin transport via spin pumping in the condition of ferromagnetic resonance can be transformed to charge current in the ferromagnetic/paramagnetic bilayer systems, based on inverse spin Hall effect (ISHE). Here, we explore La0.7Sr0.3MnO(x)/Pt(5.5 nm) [x = 10 to 65 nm] bilayers to investigate the influence of damping constant on spin pumping efficiency. The results show that the ISHE voltage depend on the damping constant of magnetic moment, suggesting that the precession energy tansferred to lattice/electron of normal metal is a key parameter to control the magnitude of spin current.
ISSN:0021-8979
1089-7550
0021-8979
DOI:10.1063/1.4863485