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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v53.i9-10.210
pages 191-196

Microwave Resonance Study of Crystallization of Amorphous Metallic Alloys

D. P. Belozorov
National Scientific Center - "Kharkov Institute of Physics and Technology", 1, Akademicheskaya St., Kharkov, 61108, Ukraine
Z. A. Spolnik
National Scientific Center - "Kharkov Institute of Physics and Technology", 1, Akademicheskaya St., Kharkov, 61108, Ukraine
S. I. Tarapov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine; Kharkiv National University of Radio Electronics 14, Nauka Av, Kharkiv 61166, Ukraine; V. Karazin National University of Kharkiv, 4 Svobody Sq., Kharkiv 61077, Ukraine

RESUMO

The microwave resonance method (ferromagnetic resonance method) is applied to study the effect of annealing on the magnetic properties of amorphous metallic iron-based materials (Fe-B-Si-C) with the Fe-content near 70 %. The magnetization and the spectroscopic splitting factor (g-factor) are studied in the samples annealed in the wide temperature range (the annealing temperatures varied from 200 °C to 400 °C, the annealing time was 50 min). It is concluded that the observed saturation of the magnetization and the g-factor are caused by the crystallization processes taking place at the annealing temperatures above 300 °C. This conclusion agrees with the fact that the annealing temperatures corresponding to crystallization of similar amorphous iron-based alloys get into the same temperature interval according to the literature.


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