High-frequency study of magnetic and magnetoimpedance features of granular nanostructures
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info:eu-repo/semantics/closedAccess
Özet
Magnetic and magnetoimpedance features of granular nanostructures were analyzed. Specimens, measuring 10 ?m in thickness, were fabricated using ion-beam deposition. It was found that the largest giant magnetoresistance impedance (GMI) magnitude was detected for concentration X=46-47%. The results show that spin-dependent tunneling doesnot depend on frequency in a wide frequency range, since the GMI amplitude at 30-50 GHz is almost same as that for MRE in transmission mode at infrared frequencies. © 2008 Elsevier B.V., All rights reserved.
Açıklama
Fifth International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter, and Submillimeter Waves - Symposium Proceedings, MSMW'04 -- Kharkov -- 64349
Anahtar Kelimeler
Bandwidth, Concentration (process), Electric frequency control, Electric impedance, Ferroelectric materials, Giant magnetoresistance, Magnetic field effects, Matrix algebra, Giant magnetic impedance (GMI), Ion-beam depositions, Magnetorefractive effects (MRE), Metal states, Nanostructured materials
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