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Magnetic glass-coated micro- and nanowires was produced by Taylor-Ulitovsky method. In this method, the metal drop is melted by induction and encapsulated in a stable viscous sheath of a silicate glass that is drawn down continuously. Metal and silicate are solidified by a jet of water to form metallic micro- and nanowire a coated by silicate glass. The geometrical characteristics of the microwire depend on the physical properties of a metallic alloy and of glass, on the diameter of the glass tube, and the parameters of the heating inductor. These wires are characterized by a rectangular hysteresis loop, and they can be used in measuring and identification engineering. A mathematical model that describes the process of the reversal magnetization of an amorphous microwire with the help of a large Barkhausen jump is proposed. Glass-coated micro- and nanowires obtain interesting electromagnetic absorption properties. Of particular interest is the natural ferromagnetic resonance (NFR) observed as a consequence of a strong intrinsic magnetoelastic anisotropy. We introduced an analysis of the opportunity of application of these materials in composite protective screens.
About the author
Serghei Baranov has obtained his PhD in nonlinear radiophysics in 1981.He published over 100 articles in reputed international journals, participated in internation projects and was member of two international groups.
