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Ion synthesis and FMR studies of iron and cobalt nanoparticles in polyimides
Authors
Aktaş B.
Khaibullin R.
+6 more
Okay C.
Pivin J.
Rameev B.
Tagirov L.
Yildiz F.
Zheglov E.
Publication date
1 January 2003
Publisher
Abstract
Polyimide foils were implanted with 40 keV Fe+ and Co + to doses of 0.25-1.5×1017 ions/cm2. Electron microscopy studies showed the formation of iron and cobalt nanoparticles in the implanted polymer layer with a thickness of about 70 nm. The size and shape of the ion-synthesized metal nanoparticles depend on the implantation parameters and subsequent thermal annealing. A ferromagnetic resonance (FMR) response was found in the iron-implanted samples as well as in the annealed cobalt and iron samples. The effective magnetization values of the metal/polymer composite layers were extracted from the FMR spectra and plotted as a function of implantation dose. The magnetic properties of the iron and cobalt nanoparticles in polyimide are compared and discussed. © 2003 Elsevier B.V. All rights reserved
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Last time updated on 07/05/2019