Dynamic control of spin wave spectra using spin-polarized currents
arXiv:1409.2421 · doi:10.1063/1.4896027
Abstract
We describe a method of controlling the spin wave spectra dynamically in a uniform nanostripe waveguide through spin-polarized currents. A stable periodic magnetization structure is observed when the current flows vertically through the center of nanostripe waveguide. After being excited, the spin wave is transmitted at the sides of the waveguide. Numerical simulations of spin-wave transmission and dispersion curves reveal a single, pronounced band gap. Moreover, the periodic magnetization structure can be turned on and off by the spin-polarized current. The switching process from full rejection to full transmission takes place within less than 3ns. Thus, this type magnonic waveguide can be utilized for low-dissipation spin wave based filters.
arXiv comment10 pages, 5 figures, submitted to APL
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Cited by in corpus (5)
- Magnonic crystals for data processing
- Voltage-Controlled Nano-Scale Reconfigurable Magnonic Crystal
- Bias-free reconfigurable magnonic phase shifter based on a spin-current controlled ferromagnetic resonator
- Spin wave propagation in uniform waveguide: effects, modulation and its application
- Ultra-strong coupling of two ferromagnets via Meissner currents