Micromagnetic Study of Synchronization of Nonlinear Spin-Torque Oscillators to Microwave Current and Field | Zendy

Mario Carpentieri | Zendy; Giovanni Finocchio | Zendy; A. Giordano | Zendy; B. Azzerboni | Zendy; F. Lattarulo | Zendy

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Micromagnetic Study of Synchronization of Nonlinear Spin-Torque Oscillators to Microwave Current and Field

Author(s) -

Mario Carpentieri,

Giovanni Finocchio,

A. Giordano,

B. Azzerboni,

F. Lattarulo

Publication year - 2012

Publication title -

advances in condensed matter physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.314

H-Index - 26

eISSN - 1687-8124

pISSN - 1687-8108

DOI - 10.1155/2012/951976

Subject(s) - microwave , condensed matter physics , current (fluid) , field (mathematics) , physics , nonlinear system , phase (matter) , torque , magnetoresistance , synchronization (alternating current) , spin (aerodynamics) , magnetic field , electrical engineering , quantum mechanics , topology (electrical circuits) , mathematics , engineering , pure mathematics , thermodynamics

The nonautonomous dynamics of spin-torque oscillators in presence of both microwave current and field has been numerically studied in nanostructured devices. When both microwave current and field are applied at the same frequency, integer phase locking at different locking ratio is found. In the locking region, a study of the intrinsic phase shift between the locking force (current or field) and the giant magnetoresistive signal as a function of the bias current is also exploited

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