Magneto-Photonic and Magnonic Crystals Based on Ferrite Films - New Types of Magnetic Functional Materials

Abstract:

A new type of photonic crystals entitled “magnonic crystals (MC)” that exhibit forbidden gaps in the microwave spectrum of magnetostatic spin waves (MSW) are reported. The topography of the MCs that consist of two-dimensional (2-D) etched holes periodic structure in yttrium iron garnet films was studied by atomic force and magnetic force magnetometry. The propagation characteristics of spin waves in such 2-D MCs was measured and analyzed.

• Periodical: Advances in Science and Technology (Volume 45)
• Pages: 1355-1363
• DOI: https://doi.org/10.4028/www.scientific.net/AST.45.1355
• Online since: October 2006
• Authors: S.A. Nikitov, Yu A. Filimonov, Ph. Tailhades
• Keywords: Bandgap, Delay Lines, Ferrite Films, Magnetophotonic Crystal, Magnetostatic Spin Waves, Magnonic Crystals

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