Publications Repository - Helmholtz-Zentrum Dresden-Rossendorf

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Magnetic resonance of metallic nanoparticles in vitreous silicon dioxide implanted with iron ions

Guseva, V. B.; Zatsepin, A. F.; Vazhenin, V. A.; Schmidt, B.; Gavrilov, N. V.; Cholakh, S. O.


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 x 10(15), 1 x 10(16), and 1 x 10(17) cm(-2). It is found that, under both steady-state and pulsed irradiation conditions, glass samples exposed at a dose of 1 x 10(17) 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.

Keywords: Ion implantation; iron; glass; metal nanoparticles; magnetic resonance

  • Physics of The Solid State 47(2005)4, 674-677


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