Microstrip Excitation of Magnetostatic Surface Waves: Theory and Experiment

Coupling of microwave magnetic dynamics in thin ferromagnetic films to stripline transducers in the geometry of the broadband stripline ferromagnetic resonance

“…If the exchange-free limit, the availability of the analytical solution (22) makes the numerical solution very fast, since numerics is needed just to carry out the inverse Fourier transformation of Eq. (22). This allows us to go beyond the approximation of the given current density and, ultimately, to solve the problem of calculation of the electric field self-consistently in the present work.…”

“…A drawback of the constructed theory is that it is not self-consistent. It uses the same approach as previously employed to calculate the impedance of microstip transducers of travelling spin waves in thick magneto-insulating films [22,23]. The central point of this approach is assumption of some realistic distribution for the microwave current density across the width of a microstrip ("Given Current Density" (GCD) method).…”

Strong asymmetry of microwave absorption by bilayer conducting ferromagnetic films in the microstrip-line based broadband ferromagnetic resonance

“…It was suggested that linear impedance could be used to quantitatively characterize efficiency of excitation of propagating spin waves by microstrip (see e.g. [25,31,32,33,34] and references therein), and coplanar [24] transducers. The linear impedance is calculated as a ratio of the Poynting vector of the flux of energy of microwave field through the transducer surface to the microwave current in the transducer [25].…”

10 GHz bandstop microstrip filter using excitation of magnetostatic surface wave in a patterned Ni78Fe22 ferromagnetic film

“…In the frequency range above the FMR frequency, only MSSWs can exist in the FM core. [10][11][12][13][14] In the magnetostatic limit, the dispersion relation for these waves can be written as 13…”