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Título:
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Stress and field contactless sensor based on the scatteringof electromagnetic waves by a single ferromagnetic microwire
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Autores:
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Herrero Gómez, Carlos ;
Aragón Sánchez, Ana María ;
Hernando Rydings, Manuel ;
Marín Palacios, María Pilar
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Tipo de documento:
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texto impreso
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Editorial:
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American Institute of Physics, 2014-09-01
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Dimensiones:
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application/pdf
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Nota general:
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info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física: Física de materiales
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Tipo = Artículo
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Resumen:
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In this paper, we report an experimental study on the microwave modulated scattering intensity for a single Fe_2.25Co_72.75Si_10B_15 amorphous metallic microwire. The modulation is driven by applying a bias magnetic field that tunes the magnetic permeability of the ferromagnetic microwire. Furthermore, by using a magnetostrictive microwire, we also demonstrate that the microwave scattering is sensitive to mechanical stresses. In fact, we present a wireless microwave controlled stress sensor, suitable for biological applications, as a possible use of this effect. In addition, a first order theoretical approximation accounts for the observed influence of the magnetic permeability on the scattering coefficients. That model leads to predictions in good agreement with the experimental results.
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En línea:
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https://eprints.ucm.es/id/eprint/29558/1/1813.pdf
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