15 October 2012 Magnetic nanoparticles for tunable microwave metamaterials
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Abstract
Commonly, metamaterials are electrically engineered systems with optimized spatial arrangement of subwavelength sized metal and dielectric components. We explore alternative methods based on use of magnetic inclusions, such as magnetic nanoparticles, which can allow permeability of a composite to be tuned from negative to positive at the range of magnetic resonance. To better understand effects of particle size and magnetization dynamics, we performed electron magnetic resonance study on several varieties of magnetic nanoparticles and determined potential of nanoparticle use as building blocks for tunable microwave metamaterials.
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Natalia Noginova, Natalia Noginova, Quincy Leon Williams, Quincy Leon Williams, Panagiotis Dallas, Panagiotis Dallas, Emmanuel P. Giannelis, Emmanuel P. Giannelis, } "Magnetic nanoparticles for tunable microwave metamaterials", Proc. SPIE 8455, Metamaterials: Fundamentals and Applications V, 845531 (15 October 2012); doi: 10.1117/12.931755; https://doi.org/10.1117/12.931755
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