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Telecommunications and Radio Engineering

ISSN for PRINT: 0040-2508

Institutional price:	$4518.00
Issues per year:	20

Best Paper Award Selection - Editorial Board Site

2006, Volume65

475 pages

DOI: 10.1615/TelecomRadEng.v65.i11

Issue price - $1185.00

Origins of Giant Magnetic Impedance Effect in Magnetic Nanostructures in Millimeter Waveband

S. V. Nedukh
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine

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

S. I. Tarapov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Khirkov 61085, Ukraine

ABSTRACT

The dependence of a complex transmission coefficient of the electromagnetic wave passing through multilayered and granular nanostructures demonstrating giant magnetic impedance phenomenon as a function of an external magnetic field has been explored in the millimeter waveband (f =34 GHz). The magnetic multilayer film Fe₆(Co₁/Cu₂)₁₆ and magnetic granular film Co_51.5Al_19.5O₂₉ have been investigated. The maximum magnitudes of the relative module of the complex transmission coefficient 2% and its phase shift Δφ_T ≈ 1° have been detected. The interrelation between complex impedance Z and the effective conductivity of magnetic nanostructure is analyzed.