Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.4839475
Title: Role of spin mixing conductance in spin pumping: Enhancement of spin pumping efficiency in Ta/Cu/Py structures
Authors: Deorani, P.
Yang, H. 
Issue Date: 2-Dec-2013
Source: Deorani, P., Yang, H. (2013-12-02). Role of spin mixing conductance in spin pumping: Enhancement of spin pumping efficiency in Ta/Cu/Py structures. Applied Physics Letters 103 (23) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4839475
Abstract: From spin pumping measurements in Ta/Py devices for different thicknesses of Ta, we determine the spin Hall angle to be 0.021-0.033 and spin diffusion length to be 8 nm in Ta. We have also studied the effect of changing the properties of non-magnet/ferromagnet interface by adding a Cu interlayer. The experimental results show that the effective spin mixing conductance increases in the presence of Cu interlayer for Ta/Cu/Py devices whereas it decreases in Pt/Cu/Py devices. Our findings allow the tunability of the spin pumping efficiency by adding a thin interlayer at the non-magnet/ferromagnet interface. © 2013 AIP Publishing LLC.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/57316
ISSN: 00036951
DOI: 10.1063/1.4839475
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