Magnetostatic Surface Wave Dispersion and Losses in an Yttrium-Iron Garnet Film With a Subwavelength Periodic Structure

Magnetostatic Surface Wave Dispersion and Losses in an Yttrium-Iron Garnet Film With a Subwavelength Periodic Structure

Magnetostatic surface wave propagation was measured in an yttrium-iron garnet film with a subwavelength, micrometer-sized, periodic array of etched grooves. There were regions with anomalous dispersion and rejection bands in the frequency dependence of the transmission characteristic. Their number a...

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Veröffentlicht in:IEEE magnetics letters 2017, Vol.8, p.1-4
Hauptverfasser: Vysotskii, Sergey L., Khivintsev, Yuri V., Sakharov, Valentin K., Dudko, Galina M., Kozhevnikov, Alexander V., Nikitov, Sergey A., Novitskii, Nikolay N., Stognij, Alexander I., Filimonov, Yuri A.
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Antenna measurements
Dispersion
Etching
Grooves
Magnetic fields
Magnetostatic waves
magnonics
microwave devices
Microwave magnetics
Periodic structures
Rejection
Surface treatment
Wave dispersion
Wave propagation
Yttrium-iron garnet
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Zusammenfassung:Magnetostatic surface wave propagation was measured in an yttrium-iron garnet film with a subwavelength, micrometer-sized, periodic array of etched grooves. There were regions with anomalous dispersion and rejection bands in the frequency dependence of the transmission characteristic. Their number and bandwidth changed depending on the angle between the directions of the bias magnetic field and the grooves.
ISSN:1949-307X
1949-3088
DOI:10.1109/LMAG.2017.2701787