Engineering microwave properties of microwires
A correlation between the frequency of natural ferromagnetic resonance (NFMR) (1−12 GHz) determined from the dispersion of permeability and alloy composition (or magnetostriction between 1 and 40 ppm) of glass-coated microwires has been systematically confirmed. Absorption of composite (microwire pi...
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
D.Ghitu Institute of Electronic Engineering and Nanotechnologies
2015
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/89350ed2fba34e958ea24420eea5edae |
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| Sumario: | A correlation between the frequency of natural ferromagnetic resonance (NFMR) (1−12 GHz) determined from the dispersion of permeability and alloy composition (or magnetostriction between 1 and 40 ppm) of glass-coated microwires has been systematically confirmed. Absorption of composite (microwire pieces embedded in a polymer matrix) screens has been experimentally investigated. Parallel theoretical studies suggest that a significant fraction of the absorption can be ascribed to a geometrical resonant effect, while a concentration effect is expected for the thinnest microwires. |
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