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Phase-Lock Requirements in a Serial Array of Spin Transfer Nano-Oscillators.


ABSTRACT: The most promising approach to attain a narrow linewidth and a large output power simultaneously in spin torque oscillators is self-phase-locking of an array of oscillators. Two long range coupling mechanisms, magnetostatic interaction and self-induced current, are explored. Synchronization occurs with MR ratio ~ 14% and volume ~ 2.1 × 10(-5) μm(3) at room temperature for an experimental frequency dispersion, when only the self-induced microwave current is present. The dipole interaction decreases the MR ratio requirement when the elements are properly spaced.

SUBMITTER: Qu T 

PROVIDER: S-EPMC4471894 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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