Abstract
We present studies of the interfacial layer between the metallic nucleus and glass coating in ferromagnetic Fe- and Co-rich microwires. Using a scanning electron microscope, we obtained the image of the interfacial layer and the elements distribution within the glass coating and metallic nucleus. This allowed us to estimate the thickness of the interfacial layer (t il). For both Fe- and Co-rich microwires, t il ≈ 0.5 μm. We measured the frequency dependence of the giant magnetoimpedance ratio in Fe and Co-rich microwires, estimated the minimum penetration depth, and discussed the optimum frequency for different microwires considering the difference of the magnetic structure and the magnetic anisotropy inside the microwire and near the surface.
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Zhukov, A., Shuvaeva, E., Kaloshkin, S. et al. Studies of Interfacial Layer and Its Effect on Magnetic Properties of Glass-Coated Microwires. J. Electron. Mater. 45, 2381–2387 (2016). https://doi.org/10.1007/s11664-015-4319-y
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DOI: https://doi.org/10.1007/s11664-015-4319-y