Journal
2012 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS)
Volume -, Issue -, Pages 1240-1243Publisher
IEEE
DOI: 10.1109/ULTSYM.2012.0309
Keywords
phononic crystal; magnonic crystal; garnet films; magnetoelastic waves
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Magnetoelastic waves propagation in a normally magnetized yttrium iron garnet (YIG) film epitaxially grown on a gadolinium gallium garnet (GGG) substrate with the periodic array of etched grooves in a YIG film was studied. Both magnonic and phononic bandgaps were found in spin wave spectra of the structure due to Bragg resonance. Such structure can be qualified as a phononic-magnonic crystal.
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