Magnetic resonance of metallic nanoparticles in vitreous silicon dioxide implanted with iron ions |
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| Authors: | V. B. Guseva A. F. Zatsepin V. A. Vazhenin B. Schmidt N. V. Gavrilov S. O. Cholakh |
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| Affiliation: | (1) Ural State Technical University, ul. Mira 19, Yekaterinburg, 620002, Russia;(2) Research Institute of Physics and Applied Mathematics, Ural State University, pr. Lenina 51, Yekaterinburg, 620083, Russia;(3) Research Center Rossendorf, Institute of Ion Beam Physics and Materials Research, Dresden, D-01314, Germany;(4) Institute of Electrophysics, Ural Division, Russian Academy of Sciences, ul. Komsomol’skaya 34, Yekaterinburg, 620216, Russia |
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| Abstract: | Silica glasses exposed to steady-state and pulsed irradiation with Fe+ ions are studied using magnetic resonance. The irradiation doses used in experiments are equal to 1 × 1015, 1 × 1016, and 1 × 1017 cm?2. It is found that, under both steady-state and pulsed irradiation conditions, glass samples exposed at a dose of 1 × 1017 cm?2 exhibit a broadband orientation-dependent signal. The shape of inclusions is evaluated under the assumption that the observed spectrum is caused by the ferromagnetic resonance induced in a new phase of metallic iron. |
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