The Asymmetry Quantification of Spin-Wave Dynamics in Single and Double Confined Rectangular Ni80Fe20 Microstrips

Research of the spin-wave (SW) dynamics in confined rectangular microstructures is important for the their
potential use for information transport and processing [1]. The design of a microstructure can affect the SW be-
havior, which can be used as a manipulating mechanism [2, 3]. The development of planar microresonators/mi-
croantennas with a micro-coil (loop) allows for measuring FMR of a single ferromagnetic microstrip including
resonance lines corresponding to the SW excitations [4, 5]. TR-STXM [6] with the use of the planar microres-
onators enables direct, time-dependent imaging of the spatial distribution of the precessing magnetization across
the nm-thin microstrips during FMR excitation at the GHz frequency range with elemental selectivity [7, 8]
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