Open AccessResearch Update: Spin transfer torques in permalloy on monolayer MoS2
Author(s) -
Wei Zhang,
Joseph Sklenar,
Bo Hsu,
Wanjun Jiang,
M. Benjamin Jungfleisch,
Jiao Xiao,
F. Y. Fradin,
Yaohua Liu,
John E. Pearson,
J. B. Ketterson,
Zheng Yang,
Axel Hoffmann
Publication year - 2016
Publication title -
apl materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.571
H-Index - 60
ISSN - 2166-532X
DOI - 10.1063/1.4943076
Subject(s) - permalloy , condensed matter physics , monolayer , magnetoresistance , materials science , ferromagnetic resonance , spin transfer torque , bilayer , spin (aerodynamics) , ferromagnetism , spin hall effect , torque , spin polarization , magnetization , nanotechnology , magnetic field , physics , chemistry , membrane , biochemistry , quantum mechanics , thermodynamics , electron
We observe current induced spin transfer torque resonance in permalloy (Py) grown on monolayer MoS2. By passing rf current through the Py/MoS2 bilayer, field-like and damping-like torques are induced which excite the ferromagnetic resonance of Py. The signals are detected via a homodyne voltage from anisotropic magnetoresistance of Py. In comparison to other bilayer systems with strong spin-orbit torques, the monolayer MoS2 cannot provide bulk spin Hall effects and thus indicates the purely interfacial nature of the spin transfer torques. Therefore our results indicate the potential of two-dimensional transition-metal dichalcogenide for the use of interfacial spin-orbitronics applications
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