Electrically connected spin-torque oscillators array for 2.4 GHz …
May 18, 2021 · Here, we demonstrate electrical synchronization of four non-vortex uniformly-magnetized STOs using a single common current source in both parallel and series configurations at 2.4 GHz band,...
Spin-Torque Oscillators - ScienceDirect
Jan 1, 2012 · Spin-transfer torques represent dissipative processes that cannot be described by or derived from a magnetic potential. The essential feature involves the transfer of spin angular momentum from the spin-polarized current to the local magnetization.
Spin torque nano-oscillator driven by combined spin injection …
Feb 25, 2019 · Spin torque nano-oscillators (STNOs) based on the spin-transfer torque (STT) associated with net spin currents are important candidates for several applications including frequency signal...
Spin-transfer torques represent dissipative processes that cannot be described by or derived from a magnetic potential. The essential feature involves the transfer of spin angular momentum from the spin-polarized current to the local magnetization.
Field-free domain wall spin torque nano-oscillators with …
Dec 1, 2023 · We report on a magnetic domain wall (DW)-based spin torque nano-oscillator (STNO) with real-time multimodal frequency modulation characteristics by engineering the synergistic effect of shape anisotropy, Dzyaloshinskii …
Spin-Torque and Spin-Hall Nano-Oscillators - IEEE Xplore
This paper reviews the state of the art in spin-torque and spin-Hall-effect-driven nano-oscillators. After a brief introduction to the underlying physics, the authors discuss different implementations of these oscillators, their functional properties in terms of frequency range, output power, phase noise, and modulation rates, and their ...
A single layer spin-orbit torque nano-oscillator - Nature
May 29, 2019 · Here we propose, and experimentally demonstrate, a spin-orbit torque (SOT) nano-oscillator based on a single permalloy layer with thickness in the 15–20 nm range, grown on an Al 2 O 3...
Spin-torque vortex-oscillator with modified saturation …
Dec 15, 2024 · We show how reducing saturation magnetization locally in ferromagnetic thick nanodot vortex-based spin-torque nano-oscillators modulates their frequency using micromagnetic simulations.
Spin-torque nano-oscillators and their applications
Oct 23, 2024 · Spin-torque nano-oscillators (STNOs) have emerged as an intriguing category of spintronic devices based on spin transfer torque to excite magnetic moment dynamics.
Mutual synchronization of spin-torque oscillators within a ring array
An array of spin torque nano-oscillators (STNOs), coupled by dipolar interaction and arranged on a ring, has been studied numerically and analytically. The phase patterns and locking ranges are extracted as a function of the number N, their separation, and the current density mismatch between selected subgroups of STNOs.
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