Synchronization of Spin Hall Oscillators With Magnetodipolar Coupling

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We have found that the stacked spin Hall oscillator (SHO) based on the spin Hall effect and anisotropy magnetoresistance is synchronized via magnetodipolar interaction calculated with consideration of the shape of the SHO. Employing a macrospin simulation approach, we have obtained the boundary separating the synchronized and nonsynchronized states as a function of the difference in the natural frequency between two SHOs. We have also found that the emitted microwave power is enhanced by synchronization of a larger number of SHOs. It is anticipated that the results will be tested with existing experimental techniques.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2016-12
Language
English
Article Type
Article
Keywords

TORQUE OSCILLATOR; POLARIZED CURRENT; PHASE-LOCKING; DRIVEN

Citation

IEEE TRANSACTIONS ON MAGNETICS, v.52, no.12

ISSN
0018-9464
DOI
10.1109/TMAG.2016.2597127
URI
http://hdl.handle.net/10203/214207
Appears in Collection
EE-Journal Papers(저널논문)
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