Natural ferromagnetic resonance in microwires and its applications. Brief review

Serghei A. Baranov

doi:10.17308/kcmf.2023.25/11472

Serghei A. Baranov Moldova State University, Institute of Applied Physics, 5 Academiei st., Chisinau MD-2028, Republic of Moldova; Shevchenko Pridnestrov’e State University, 128 25- Oktyabrya st., Tiraspol 33000, Pridnestrov’e, Republic of Moldova

DOI: https://doi.org/10.17308/kcmf.2023.25/11472

Keywords: Cast glass-coated amorphous magnetic micro- and nanowire, Magnetostriction, Natural ferromagnetic resonance

Abstract

The paper analyzes technological aspects of the Taylor–Ulitovsky method used to produce microwires of various structures.
Natural ferromagnetic resonance (NFMR) in cast glass-coated amorphous magnetic micro- and nanowires was theoretically and experimentally studied. The NFMR phenomenon is due to the large residual stresses appearing in the core of the microwire during the casting process. These stresses, along with magnetostriction, determine 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 dependence of the NFMR frequency on the deformation of microwires and the external stresses on them is proposed to be used for remote diagnostics in medicine

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Author Biography

Serghei A. Baranov, Moldova State University, Institute of Applied Physics, 5 Academiei st., Chisinau MD-2028, Republic of Moldova; Shevchenko Pridnestrov’e State University, 128 25- Oktyabrya st., Tiraspol 33000, Pridnestrov’e, Republic of Moldova

Dr. Sci. (Phys.-Math.), Senior
Researcher of the Moldova State University, Institute
of Applied Physics, Laboratory of Electrical and
Electrochemical Treatment of Materials (Chisinau,
Republic of Moldova); Associate Professor of the
Shevchenko Pridnestrov’e State University (Tiraspol,
Pridnestrov’e, Republic of Moldova)

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