Natural Ferromagnetic Resonance in Cast Glass -coated Amorphous Magnetic Micro - and Nanowires and its Applications for Non-contact Diagnostics
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Abstract
The Natural Ferromagnetic Resonance (NFMR) in cast glass-coated amorphous magnetic microwires has been studied theoretically and experimentally. The Natural Ferromagnetic Resonance (NFMR) reveals large residual stresses appearing in the microwire core in the course of casting. These stresses, together with the magnetostriction, determine the magnetoelastic anisotropy. Besides residual stresses, the NFMR frequency is influenced by externally applied stresses on the microwire or the composite containing the so-called stress effect (SE).
The paper analyzes technological aspects of the Taylor-Ulitovsky method used to produce cast glass-coated amorphous magnetic micro- and nanowires.
The dependence of the NFMR frequency on the deformation of the microwires is proposed to be used in the remote diagnostics of critical infrastructure deformations and for remote diagnostics in medicine
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