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

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v66.i19.30
pages 1735-1746

Investigation of ESR and GMI Effects in Magnetic Structures using Smith Chart

M. K. Khodzitsky
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura Str., Kharkiv 61085, Ukraine
A. A. Girich
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, 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

ABSTRACT

Impedance measurements as a function of the applied magnetic field in various magnetic nanostructures were performed at X-band frequency range using a special experimental technique which is based on a simultaneous detection of absorption and dispersion. The response of the rectangular cavity with a sample under study in a polar representation (Smith chart) of the complex reflection coefficient is discussed. The numerical calculation of the complex impedance as a function of the magnetic field for various magnetic structures in a vicinity of Electron Spin Resonance effect (ESR) and Giant Magneto-Impedance effect (GMI) has been made. The possibility of partition of ESR effect and GMI effect using Smith chart is shown.


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