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Features of FMR spectra observed in granular films formed by Fe+ implantation into PMMA

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Abstract

Magnetic phase consisting of α-Fe particles arranged in a thin near-surface layer has been synthesized in modified phosphorus-containing polymethylmethacrylate by Fe+ implantation at an energy of 40 keV with a dose of 1.2⊙1017 ion/cm2. The spectrum of magnetic resonance of the obtained samples is a superposition of a wide anisotropic absorption line and a set of reproducible lowintensity noiselike signals registered in a wide range of magnetic field. It has been established that a wide absorption line is due to particle conglomerates (larger than 200 nm), each behaving as a thin ferromagnetic film. Noiselike lines can be explained as resonance signals from separate oblate/prolate nanoparticles (50–200 nm in size) randomly oriented with respect to the irradiated surface. Such complicated nanostructures can be formed at an appropriate combination of properties of a polymer matrix, types of bombarded ions and implantation regimes.

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Authors and Affiliations

  1. Kazan Physical Techical Institute, Russian Academy of Sciences, Sibirsky trakt 10/7, 420029, Kazan, Russian Federation

    V. Yu. Petukhov, N. Yu. Panarina, N. R. Khabibullina, E. P. Zheglov & A. A. Mozhanova

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  1. V. Yu. Petukhov
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  2. N. Yu. Panarina
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  3. N. R. Khabibullina
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  4. E. P. Zheglov
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  5. A. A. Mozhanova
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Petukhov, V.Y., Panarina, N.Y., Khabibullina, N.R. et al. Features of FMR spectra observed in granular films formed by Fe+ implantation into PMMA. Appl. Magn. Reson. 30, 233–242 (2006). https://doi.org/10.1007/BF03166721

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  • DOI: https://doi.org/10.1007/BF03166721

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