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Influence of intermixing at the Ta/CoFeB interface on spin Hall angle in Ta/CoFeB/MgO heterostructures
Monika Cecot, Lukasz Karwacki, Witold Skowronski +7
We investigate the spin Hall effect in perpendicularly magnetized Ta/Co40Fe40B20/MgO trilayers with Ta underlayers thicker than the spin diffusion length. The crystallographic stru…
Electric-field tunable spin diode FMR in patterned PMN-PT/NiFe structures
Sławomir Ziętek, Piotr Ogrodnik, Witold Skowroński +4
Dynamic properties of NiFe thin films on PMN-PT piezoelectric substrate are investigated using the spin-diode method. Ferromagnetic resonance (FMR) spectra of microstrips with vary…
Temperature dependence of spin-orbit torques in W/CoFeB bilayers
Witold Skowronski, Monika Cecot, Jaroslaw Kanak +7
We report on the temperature and layer thickness variation of spin-orbit torques in perpendicularly magnetized W/CoFeB bilayers. Harmonic Hall voltage measurements reveal dissimila…