Uncovering magnetic properties of NiFe/WTi multilayers by FMR and SWR analyses
Source abstract
Abstract
Abstract Ferromagnetic resonance (FMR) was applied to uncover the magnetic properties of NiFe/WTi multilayers, which showed themselves up as ideal candidates to exemplify the several resonance modes [optic, uniform, and interface FMR modes, volume and surface spin wave resonance (SWR) modes] that can emerge from the probing materials during the measurements: an instructive work to describe what can be revealed by this powerful technique. The absorption modes excited by the microwave field were correlated to important magnetic parameters and characteristic of each multilayer studied by using the FMR and SWR theories and the associated fittings. In particular, the dependence of the damping constant on the thicknesses of magnetic and spacer layers, attributed to both the effects of spin-pumping and mixing of electrical conductance at the magnetic/non-magnetic interfaces, opens the possibility of tailoring the NiFe/WTi structures for specific device applications.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Magnetic properties of thin films · Semiconductor materials and interfaces · Quantum and electron transport phenomena
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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