microwave magnetic field
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Analysis method of a spin-torque oscillator using dc resistance change during injection locking to an external microwave magnetic field

2021 ◽  
Vol 119 (14) ◽  
pp. 142405
Author(s):  
Nagarjuna Asam ◽  
Hirofumi Suto ◽  
Shingo Tamaru ◽  
Hossein Sepehri-Amin ◽  
Anton Bolyachkin ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Injection Locking ◽  
Spin Torque ◽  
Analysis Method ◽  
Resistance Change ◽  
Microwave Magnetic Field ◽  
Dc Resistance

Analysis of an all-in-plane spin-torque oscillator using injection locking to an external microwave magnetic field

2021 ◽  
Author(s):  
Hirofumi Suto ◽  
Hossein Sepehri-Amin ◽  
Nagarjuna Asam ◽  
Weinan Zhou ◽  
Anton Bolyachkin ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Injection Locking ◽  
Spin Torque ◽  
Microwave Magnetic Field

scholarly journals Microwave magnetic field modulation of spin torque oscillator based on perpendicular magnetic tunnel junctions

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Witold Skowroński ◽  
Jakub Chęciński ◽  
Sławomir Ziętek ◽  
Kay Yakushiji ◽  
Shinji Yuasa
Keyword(s):  
Magnetic Field ◽  
Microwave Field ◽  
Magnetic Tunnel Junction ◽  
Communication Technologies ◽  
Field Application ◽  
Spin Torque ◽  
Inductive Loop ◽  
High Data ◽  
Microwave Magnetic Field ◽  
Field Modulation

AbstractModulation of a microwave signal generated by the spin-torque oscillator (STO) based on a magnetic tunnel junction (MTJ) with perpendicularly magnetized free layer is investigated. Magnetic field inductive loop was created during MTJ fabrication process, which enables microwave field application during STO operation. The frequency modulation by the microwave magnetic field of up to 3 GHz is explored, showing a potential for application in high-data-rate communication technologies. Moreover, an inductive loop is used for self-synchronization of the STO signal, which after field-locking, exhibits significant improvement of the linewidth and oscillation power.

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