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Influence of damping constant on inverse spin hall voltage of La{sub 0.7}Sr{sub 0.3}MnO{sub 3}(x)/platinum bilayers

Journal Article · · Journal of Applied Physics
DOI:https://doi.org/10.1063/1.4863485· OSTI ID:22273852
 [1];  [2]
  1. Center for Condensed Matter Sciences, National Taiwan University, Taipei 10617, Taiwan (China)
  2. Department of Physics, National Taiwan University, Taipei 10617, Taiwan (China)
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 La{sub 0.7}Sr{sub 0.3}MnO(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.
OSTI ID:
22273852
Journal Information:
Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 17 Vol. 115; ISSN JAPIAU; ISSN 0021-8979
Country of Publication:
United States
Language:
English

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